Botanical Name Index

The 17,676 botanical names listed on this page are included in the Photograph Collection. Follow the links provided to see the photographs of the plants with the botanical names below or use the search page to find the photographs you'd like to see.

Abelia 16
Abelia chinensis 31
Abelia floribunda 8
Abelia ×grandiflora 12
Abelia ×grandiflora 'Abelops' 10
Abelia ×grandiflora 'Canyon Creek' 11
Abelia ×grandiflora 'Compacta' 3
Abelia ×grandiflora 'Conti' 18
Abelia ×grandiflora (Dirr #6) 1
Abelia ×grandiflora 'Francis Mason' 4
Abelia ×grandiflora 'Frosty' 5
Abelia ×grandiflora 'Goldenglossy' 9
Abelia ×grandiflora 'Hopleys' 14
Abelia ×grandiflora 'Kaleidoscope' 29
Abelia ×grandiflora 'Keiser' 12
Abelia ×grandiflora 'Little Richard' 1
Abelia ×grandiflora 'Mardi Gras' 5
Abelia ×grandiflora 'Margarita' 4
Abelia ×grandiflora 'Minduo1' 9
Abelia ×grandiflora 'Radiance' 14
Abelia ×grandiflora 'Rose Creek' 9
Abelia ×grandiflora 'Sherwoodii' 2
Abelia ×grandiflora 'Sunrise' 9
Abelia ×grandiflora 'Wev02' 8
Abelia 'Lynn' 5
Abelia parvifolia 7
Abelia parvifolia 'Saxon Gold' 9
Abelia 'X10-9002-23' 8
Abelia 'X10-9010-12' 14
Abelia 'X10-9028-7' 9
Abelia 'X10-9044-1' 5
Abeliophyllum distichum 6
Abeliophyllum distichum Roseum Group 1
Abelmoschus esculentus 5
Abelmoschus manihot 19
Abelmoschus moschatus 3
Abies 27
Abies alba 1
Abies alba 'Holden Arboretum' 1
Abies amabilis 'Spreading Star' 1
Abies balsamea 3
Abies balsamea 'Cuprona Jewel' 4
Abies balsamea Hudsonia Group 1
Abies balsamea 'Nana' 1
Abies balsamea var. phanerolepis 1
Abies cephalonica 1
Abies cephalonica 'Meyer's Dwarf' 5
Abies cilicica 1
Abies concolor 15
Abies concolor 'Blue Cloak' 11
Abies concolor 'Candicans' 4
Abies concolor 'Compacta' 2
Abies concolor 'Gable's Weeping' 2
Abies concolor 'Glenmore' 2
Abies concolor 'Hosta la Vista' 1
Abies concolor 'Piggelmee' 1
Abies concolor 'Wattezii Prostrate' 1
Abies concolor 'Wintergold' 3
Abies fabri 5
Abies fargesii 8
Abies firma 18
Abies forrestii var. georgei 4
Abies fraseri 7
Abies guatemalensis 5
Abies holophylla 7
Abies homolepis 'Prostrata' 1
Abies koreana 17
Abies koreana 'Aurea' 2
Abies koreana 'Blauer Eskimo' 4
Abies koreana 'Cis' 13
Abies koreana 'Green Carpet' 1
Abies koreana 'Piccolo' 2
Abies koreana 'Prostrate Beauty' 4
Abies koreana 'Silber Mavers' 2
Abies koreana 'Silberlocke' 14
Abies koreana 'Silberperle' 4
Abies koreana 'Silver Show' 2
Abies koreana 'Tundra' 5
Abies koreana 'Wellenseind' 4
Abies lasiocarpa 5
Abies lasiocarpa var. arizonica 2
Abies lasiocarpa 'DuFlon' 1
Abies nebrodensis 7
Abies nordmanniana 12
Abies nordmanniana 'Durham Dwarf' 1
Abies nordmanniana subsp. equi-trojani 2
Abies nordmanniana subsp. equi-trojani 'Barney' 1
Abies nordmanniana 'Golden Spreader' 4
Abies nordmanniana 'Munsterland' 1
Abies nordmanniana 'Prostrata' 4
Abies nordmanniana 'Tortifolia' 6
Abies numidica 'Pendula' 1
Abies pinsapo 8
Abies pinsapo 'Aurea' 10
Abies pinsapo 'Glauca' 11
Abies pinsapo 'Horstmann' 5
Abies pinsapo var. marocana 1
Abies procera 3
Abies procera 'Glauca' 3
Abies procera [Glauca Group] 'Glauca Prostrata' 2
Abies sachalinensis 2
Abies squamata 2
Abies veitchii 2
Abronia villosa 4
Abrotanella forsterioides 1
Abutilon 20
Abutilon 'Bartley Schwarz' 2
Abutilon (Chinese red) 18
Abutilon ×hybridum 1
Abutilon 'Kentish Belle' 3
Abutilon 'Marion Stewart' 1
Abutilon megapotamicum 2
Abutilon megapotamicum 'Little Imp' 35
Abutilon megapotamicum 'Ruffles' 7
Abutilon 'Orange Hot Lava' 5
Abutilon pictum 10
Abutilon pictum 'Thompsonii' 3
Abutilon 'Souvenir de Bonn' 10
Abutilon tridens 3
Abutilon vitifolium 4
Abutilon vitifolium 'Sauvie Clouds' 3
Abutilon 'Voodoo' 1
Acacia 27
Acacia baileyana 7
Acacia cognata 'Green Mist' 5
Acacia cultriformis 9
Acacia elata 2
Acacia pataczeckii 1
Acacia podalyriifolia 5
Acacia pravissima 9
Acaciella angustissima 3
Acaena 4
Acaena caesiglauca 2
Acaena microphylla 'Kupferteppich' 2
Acaena microphylla var. pauciglochidiata 2
Acalypha 3
Acalypha chamaedrifolia 1
Acalypha hispida 10
Acalypha monostachya 3
Acalypha pendula 27
Acalypha wilkesiana 10
Acalypha wilkesiana 'Bourbon Street' 1
Acalypha wilkesiana 'Bronze Pink' 4
Acalypha wilkesiana 'Inferno' 3
Acalypha wilkesiana 'Kilauea' 3
Acalypha wilkesiana 'Louisiana Red' 3
Acalypha wilkesiana 'Obovata' 1
Acalypha wilkesiana 'Raggedy Ann' 3
Acalypha wilkesiana 'Sunset Hue' 2
Acalypha wilkesiana 'Tahitian Gold' 2
Acamptopappus sphaerocephalus 3
Acantholimon 5
Acantholimon araxanum 2
Acantholimon 4
Acantholimon hohenackeri 5
Acantholimon litvinovii 2
Acantholimon trojanum 1
Acantholimon venustum 4
Acanthus 15
Acanthus balcanicus 9
Acanthus dioscoridis var. perringii 15
Acanthus 'Holland Days' 1
Acanthus mollis 14
Acanthus mollis 'Hollard's Gold' 3
Acanthus mollis 'Tasmanian Angel' 6
Acanthus 'Morwiho' 18
Acanthus sennii 29
Acanthus spinosus 22
Acanthus 'Summer Beauty' 19
Acanthus 'Whitewater' 8
Acanthus 'Wofford Rhubarb' 2
Acca sellowiana 24
Acca sellowiana 'Kawatiri' 6
Acca sellowiana 'Nazemetz' 4
Acca sellowiana 'NCSU Hardy' 38
Acca sellowiana 'Opal Star' 3
Acer 193
Acer acuminatum 3
Acer albopurpurascens 9
Acer argutum 3
Acer 'Asian Queen' 4
Acer barbatum 1
Acer buergerianum 34
Acer buergerianum 'Angyo Weeping' 2
Acer buergerianum 'Bling-bling' 6
Acer buergerianum var. formosanum 12
Acer buergerianum 'Iwao Kaede' 3
Acer buergerianum 'Michael Steinhardt' 6
Acer buergerianum 'Mino yatsubusa' 10
Acer buergerianum 'Miyadono' 5
Acer buergerianum 'Miyasama' 4
Acer buergerianum 'Miyasama Yatsubusa' 4
Acer buergerianum 'Naruto' 14
Acer buergerianum var. ningpoense 12
Acer buergerianum 'Wako Nishiki' 3
Acer caesium 1
Acer calcaratum 1
Acer campbellii 3
Acer campbellii 'Boney Fingers' 3
Acer campbellii subsp. campbellii 6
Acer campbellii 'Exuberance' 1
Acer campbellii subsp. flabellatum 3
Acer campbellii subsp. sinense 7
Acer campbellii subsp. sinense 'Rugov' 1
Acer campestre 5
Acer campestre 'Carnival' 7
Acer campestre 'Evelyn' 3
Acer campestre 'Nanum' 9
Acer campestre 'Pulverulentum' 1
Acer campestre 'Royal Ruby' 4
Acer cappadocicum subsp. cappadocicum 8
Acer cappadocicum subsp. cappadocicum 'Aureum' 9
Acer cappadocicum subsp. sinicum 1
Acer carpinifolium 8
Acer carpinifolium 'Esveld Select' 1
Acer caudatifolium 22
Acer caudatifolium (orange stem) 1
Acer caudatifolium 'Variegata' 4
Acer ceriferum 4
Acer circinatum 13
Acer circinatum 'Burgundy Jewel' 2
Acer circinatum 'Hs12' 3
Acer circinatum 'Kisetsu Dore' 3
Acer circinatum 'Little Gem' 4
Acer circinatum 'Pacific Fire' 4
Acer cissifolium 12
Acer ×conspicuum 'Phoenix' 4
Acer ×conspicuum 'Red Flamingo' 4
Acer ×conspicuum 'Silver Vein' 4
Acer coriaceifolium 35
Acer coriaceifolium (variegated) 1
Acer crataegifolium 3
Acer crataegifolium 'Veitchii' 9
Acer davidii 27
Acer davidii × A. tegmentosum 4
Acer davidii 'Dawn Rainbow' 5
Acer davidii 'George Forrest' 5
Acer diabolicum 3
Acer elegantulum 12
Acer erianthum 1
Acer fabri 22
Acer aff. fabri 1
Acer ×freemanii 2
Acer ×freemanii 'Celzam' 2
Acer ×freemanii 'Jeffersred' 1
Acer ×freemanii 'Jfs-kw78' 2
Acer ×freemanii 'Marmo' 1
Acer 'Girard's Selection' 9
Acer glabrum 14
Acer grandidentatum 6
Acer grandidentatum 'Hipazam' 3
Acer grandidentatum 'JFS-NuMex 3' 3
Acer griseum 70
Acer griseum × A. pseudoplatanus 3
Acer griseum 'JFS KW8AGRI' 8
Acer heldreichii 2
Acer heldreichii subsp. trautvetteri 3
Acer henryi 35
Acer hyrcanum 3
Acer japonicum 7
Acer japonicum 'Aconitifolium' 39
Acer japonicum 'Aureum' 1
Acer japonicum 'Filicifolium' 25
Acer japonicum 'Green Cascade' 6
Acer japonicum 'Ô Isami' 4
Acer japonicum 'Ruby' 1
Acer japonicum 'Vitifolium' 7
Acer japonicum 'Wood's #2' 3
Acer 'Jfs-kw249' 5
Acer laevigatum 11
Acer laevigatum 'Hóng Lóng' 18
Acer laurinum 1
Acer laurinum (variegated) 1
Acer leucoderme 2
Acer leucoderme 'Confederate Ghost' 5
Acer longipes 9
Acer longipes subsp. catalpifolium 5
Acer lucidum 3
Acer macrophyllum 9
Acer mandschuricum 6
Acer maximowiczianum 8
Acer miaotaiense 2
Acer micranthum 1
Acer miyabei 12
Acer miyabei 'Kw-3ami' 5
Acer monspessulanum 1
Acer negundo 7
Acer negundo 'Elegans' 2
Acer negundo 'Flamingo' 14
Acer negundo 'Kelly's Gold' 16
Acer negundo 'Variegatum' 5
Acer negundo 'Winter Lightning' 32
Acer nigrum 7
Acer nipponicum 5
Acer oblongum 31
Acer oliverianum 3
Acer oliverianum 'Nakahara Beni' 3
Acer palmatum 270
Acer palmatum × A. circinatum 9
Acer palmatum 'Aka Kawa Hime' 13
Acer palmatum 'Aka-shigitatsu-sawa' 2
Acer palmatum 'Akane' 1
Acer palmatum 'Alan's Gold' 5
Acer palmatum 'Amagi Shigure' 13
Acer palmatum 'Amber Ghost' 10
Acer palmatum 'Ao kanzashi' 12
Acer palmatum 'Aoyagi' 6
Acer palmatum 'Arakawa' 17
Acer palmatum 'Aratama' 2
Acer palmatum 'Asahi Zuru' 16
Acer palmatum 'Baby Lace' 4
Acer palmatum 'Baldsmith' 4
Acer palmatum 'Beni fushigi' 5
Acer palmatum 'Beni Hagoromo' 4
Acer palmatum 'Beni Hoshi' 13
Acer palmatum 'Beni kawa' 31
Acer palmatum 'Beni komachi' 21
Acer palmatum 'Beni Mikawa' 1
Acer palmatum 'Beni ôtake' 8
Acer palmatum 'Beni schichihenge' 11
Acer palmatum 'Beni shi en' 2
Acer palmatum 'Beni ubi gohon' 5
Acer palmatum 'Bihou' 29
Acer palmatum 'Bloodgood' 28
Acer palmatum 'Burgundy Lace' 15
Acer palmatum 'Butterfly' 11
Acer palmatum 'Calico' 9
Acer palmatum 'Chishio Improved' 3
Acer palmatum 'Coonara Pygmy' 10
Acer palmatum 'Corallinum' 8
Acer palmatum 'Crimson Princess' 3
Acer palmatum 'Crimson Queen' 9
Acer palmatum Dissectum Atropurpureum Group 178
Acer palmatum Dissectum Viride Group 10
Acer palmatum 'Dragon Tears' 1
Acer palmatum 'E.P.' 12
Acer palmatum 'Emerald Lace' 14
Acer palmatum 'Emperor I' 7
Acer palmatum 'Enkan' 6
Acer palmatum 'Fairy Hair' 2
Acer palmatum 'Fireglow' 7
Acer palmatum 'Flavescens' 2
Acer palmatum 'Freed 01' 3
Acer palmatum 'Frilly Willy' 3
Acer palmatum 'Fujinami Nishiki' 1
Acer palmatum 'Garnet' 3
Acer palmatum 'Geisha Gone Wild' 9
Acer palmatum 'Germaine's Gyration' 5
Acer palmatum 'Glowing Embers' 1
Acer palmatum 'Gold Digger' 2
Acer palmatum 'Golden Flame' 3
Acer palmatum 'Goshiki kotohime' 11
Acer palmatum 'Goshiki Shidare' 1
Acer palmatum 'Green Hornet' 19
Acer palmatum 'Green Star' 6
Acer palmatum 'Green Trompenburg' 3
Acer palmatum 'Hagoromo' 5
Acer palmatum 'Hana Matoi' 15
Acer palmatum 'Hefner's Red' 6
Acer palmatum 'Herbstfeuer' 2
Acer palmatum 'Higasa yama' 27
Acer palmatum 'Hime Shojo' 4
Acer palmatum 'Hino Tori Nishiki' 13
Acer palmatum 'Hôgyoku' 7
Acer palmatum 'Hubb's Red Willow' 12
Acer palmatum 'Hupp's Dwarf' 3
Acer palmatum 'Ikandi' 3
Acer palmatum 'Inaba shidare' 1
Acer palmatum 'Jeannie's Dream' 7
Acer palmatum 'Jerre Schwartz' 2
Acer palmatum 'Jirô shidare' 1
Acer palmatum 'Kagiri Nishiki' 3
Acer palmatum 'Kamagata' 11
Acer palmatum 'Karasu gawa' 1
Acer palmatum 'Kashima yatsubusa' 7
Acer palmatum 'Katsura' 4
Acer palmatum 'Ki Hachijo' 4
Acer palmatum 'Kiri Nishiki' 5
Acer palmatum 'Kiyohime' 10
Acer palmatum 'Kiyohime Yatsubusa' 7
Acer palmatum 'Koshimino' 1
Acer palmatum 'Koto ito komachi' 14
Acer palmatum 'Koto-no-ito' 2
Acer palmatum 'Koyuki' 3
Acer palmatum 'Krazy Krinkle' 7
Acer palmatum 'Kryptonite' 1
Acer palmatum 'Kuro Hime' 2
Acer palmatum 'Lemon Lime Lace' 2
Acer palmatum 'Lileeanne's Jewel' 2
Acer palmatum 'Linearilobum' 17
Acer palmatum 'Mama' 4
Acer palmatum 'Mama Fu' 1
Acer palmatum 'Manyo-no-sato' 4
Acer palmatum 'Mardi Gras' 11
Acer palmatum 'Margaret Bee' 15
Acer palmatum 'Mikawa Yatsubusa' 14
Acer palmatum 'Mikazuki' 1
Acer palmatum 'Milky Way' 5
Acer palmatum 'Moonfire' 16
Acer palmatum 'Moonglow' 1
Acer palmatum 'Murasaki Kiyohime' 1
Acer palmatum 'Nishiki Gasane' 1
Acer palmatum 'Nishiki gawa' 21
Acer palmatum 'Nishiki Momiji' 12
Acer palmatum 'Nuresagi' 14
Acer palmatum 'O jishi' 3
Acer palmatum 'Ô kagami' 14
Acer palmatum 'Okukuji Nishiki' 9
Acer palmatum 'Okushimo' 11
Acer palmatum 'Omure yama' 5
Acer palmatum 'Orange Dream' 25
Acer palmatum 'Orange Hagoromo' 2
Acer palmatum 'Orangeola' 11
Acer palmatum 'Oregon Sunset' 14
Acer palmatum 'Oridono Nishiki' 12
Acer palmatum 'Orion' 5
Acer palmatum 'Ornatum' 8
Acer palmatum 'Ōsakasuki' 32
Acer palmatum 'Oshio beni' 2
Acer palmatum 'Owen's Pink' 2
Acer palmatum 'Peaches and Cream' 9
Acer palmatum 'Pendulum Julian' 45
Acer palmatum 'Peve Starfish' 13
Acer palmatum 'Pixie' 1
Acer palmatum 'Pung Kil' 3
Acer palmatum 'Purple Ghost' 11
Acer palmatum 'Raigo Ji' 3
Acer palmatum 'Raraflora' 8
Acer palmatum 'Red Baron' 10
Acer palmatum 'Red Dragon' 9
Acer palmatum 'Red Filigree Lace' 11
Acer palmatum 'Red Pygmy' 13
Acer palmatum 'Red Select' 7
Acer palmatum 'Reticulatum' 1
Acer palmatum 'Rhode Island Red' 15
Acer palmatum 'Roja Yatsubusa' 5
Acer palmatum 'Ruby Stars' 6
Acer palmatum 'Ryugu' 7
Acer palmatum 'Ryusen' 21
Acer palmatum 'Sagara Nishiki' 5
Acer palmatum 'Saiho' 3
Acer palmatum 'Sango kaku' 55
Acer palmatum 'Sango kaku' 2
Acer palmatum 'Satsuki Beni' 3
Acer palmatum 'Scarlet Princess' 1
Acer palmatum 'Scolopendrifolium' 15
Acer palmatum 'Searles Variegated' 3
Acer palmatum 'Seigai' 5
Acer palmatum 'Seiryu' 20
Acer palmatum 'Seiun kaku' 17
Acer palmatum 'Sekka Yatsubusa' 7
Acer palmatum 'Senkaki' 1
Acer palmatum 'Shaina' 13
Acer palmatum 'Sharp's Pygmy' 7
Acer palmatum 'Sherwood Flame' 4
Acer palmatum 'Shidava Gold' 1
Acer palmatum 'Shigitatsu sawa' 4
Acer palmatum 'Shishi Yatsubusa' 7
Acer palmatum 'Shishigashira' 31
Acer palmatum 'Sister Ghost' 1
Acer palmatum 'Skeeter's Broom' 2
Acer palmatum 'Spring Delight' 1
Acer palmatum 'Stella Rossa' 2
Acer palmatum 'Sumi Nagashi' 13
Acer palmatum 'Summer Gold' 15
Acer palmatum 'Syuka' 8
Acer palmatum 'Tama Hime' 12
Acer palmatum 'Tamuke yama' 6
Acer palmatum 'Taylor' 2
Acer palmatum 'Trompenburg' 8
Acer palmatum 'Tsukasa Silhouette' 9
Acer palmatum 'Tsuma gaki' 2
Acer palmatum 'Twombley's Red Sentinel' 1
Acer palmatum 'Ueno Homare' 5
Acer palmatum 'Ueno Yama' 6
Acer palmatum 'Ukigumo' 9
Acer palmatum 'Villa Taranto' 2
Acer palmatum 'Wabito' 13
Acer palmatum 'Waterfall' 22
Acer palmatum 'William S. Campbell' 2
Acer palmatum 'Willow Leaf' 2
Acer palmatum 'Wilson's Pink Dwarf' 2
Acer palmatum 'Wou Nishiki' 16
Acer palmatum 'Yezo Nishiki' 3
Acer palmatum 'Yubae' 10
Acer pauciflorum 4
Acer paxii 3
Acer pectinatum 2
Acer pectinatum subsp. forrestii 5
Acer pectinatum subsp. forrestii 'Sparkling' 3
Acer pectinatum subsp. pectinatum 4
Acer pensylvanicum 15
Acer pensylvanicum 'Erythrocladum' 5
Acer pentaphyllum 6
Acer pictum f. connivens 1
Acer pictum subsp. mono 23
Acer pictum 'Naguri Nishiki' 1
Acer pictum 'Tokiwa Nishiki' 2
Acer pictum 'Usugumo' 12
Acer pilosum var. stenolobum 16
Acer platanoides 10
Acer platanoides 'Crimson King' 7
Acer platanoides 'Cucullatum' 3
Acer platanoides 'Drummondii' 5
Acer platanoides 'Globosum' 1
Acer platanoides 'Princeton Gold' 7
Acer platanoides 'Ruby's Joy' 4
Acer platanoides 'Tharandt' 5
Acer platanoides 'Verkade's Albright' 2
Acer pseudoplatanus 'Brilliantissimum' 4
Acer pseudoplatanus 'Leopodii' 9
Acer pseudoplatanus 'Prinz Handjery' 2
Acer pseudoplatanus 'Simon-Louis Frères' 11
Acer pseudoplatanus f. variegatum 2
Acer pseudoplatanus f. variegatum 'Esk Sunset' 13
Acer pseudosieboldianum × A. palmatum 6
Acer pseudosieboldianum × A. palmatum 'Hasselkus' 2
Acer pseudosieboldianum var. microsieboldianum 10
Acer pseudosieboldianum subsp. takesimense 11
Acer pubinerve 3
Acer pycnanthum 2
Acer pycnanthum (variegated) 1
Acer robustum 6
Acer rubescens 9
Acer rubrum 47
Acer rubrum 'Columnare' 1
Acer rubrum 'Franksred' 1
Acer rubrum 'New World' 2
Acer rubrum 'PNI 0268' 2
Acer rubrum 'Red Rocket' 2
Acer rubrum 'Snow Fire' 14
Acer rufinerve 4
Acer rufinerve 'Albolimbatum' 3
Acer rufinerve 'Hatsuyuki' 3
Acer rufinerve 'Kuro Kogo Beni' 1
Acer rufinerve 'Winter Gold' 5
Acer saccharinum 2
Acer saccharinum 'Born's Gracious' 8
Acer saccharum 33
Acer saccharum 'Barrett Cole' 18
Acer saccharum 'Calliope' 2
Acer saccharum 1
Acer saccharum 'Flax Mill Majesty' 26
Acer saccharum 'Millane Dwarf' 4
Acer saccharum 'Monumentale' 5
Acer saccharum 'Newton Sentry' 3
Acer saccharum 'PNI 0285' 1
Acer saccharum 'Sweet Shadow' 1
Acer sempervirens 11
Acer serrulatum 5
Acer serrulatum 5
Acer shirasawanum 6
Acer shirasawanum 'Aureum' 12
Acer shirasawanum 'Autumn Moon' 19
Acer shirasawanum 'Johin' 3
Acer shirasawanum 'Jordan' 16
Acer shirasawanum 'Kawaii' 5
Acer shirasawanum 'Munn 001' 13
Acer shirasawanum 'Palmatifolium' 4
Acer shirasawanum 'Red Dawn' 6
Acer shirasawanum var. tenuifolium 'Keikan Zan' 4
Acer shirasawanum 'Yasemin' 3
Acer sieboldianum 2
Acer sieboldianum 'Kumoi nishiki' 2
Acer sieboldianum 'Seki-no-kegon' 14
Acer sikkimense 6
Acer sikkimense subsp. metcalfii 1
Acer skutchii 14
Acer skutchii 'Tequila Sunrise' 25
Acer spicatum 3
Acer stachyophyllum 3
Acer stachyophyllum subsp. betulifolium 12
Acer tataricum 2
Acer tataricum 'Garann' 5
Acer tataricum subsp. ginnala 6
Acer tataricum subsp. ginnala 'Flame' 6
Acer tataricum subsp. ginnala 'Red Wing' 16
Acer tataricum subsp. ginnala 'V.N. Strain' 4
Acer tataricum subsp. ginnala (variegated) 6
Acer tataricum subsp. semenovii 19
Acer tataricum subsp. tataricum 13
Acer tataricum subsp. theiferum 2
Acer tegmentosum 'Joe Witt' 3
Acer tegmentosum 'White Tigress' 14
Acer triflorum 28
Acer truncatum 6
Acer truncatum 'Golden Dragon' 5
Acer truncatum 'WF-AT1' 21
Acer tschonoskii 12
Acer tutcheri subsp. formosanum 14
Acer velutinum 1
Acer wangchii 2
Acer ×waxmanii 3
Achillea 27
Achillea alpina subsp. camtschatica 'Love Parade' 2
Achillea clavennae 1
Achillea 'Coronation Gold' 7
Achillea filipendulina 7
Achillea grandifolia 5
Achillea millefolium 9
Achillea millefolium 'FLORACHYE2' 5
Achillea millefolium (Montrose rose form) 14
Achillea millefolium 'Orange Queen' 1
Achillea millefolium 'Paprika' 11
Achillea millefolium 'Pomegranate' 3
Achillea millefolium 'Royal Tapestry' 1
Achillea 'Moonshine' 3
Achillea nobilis 1
Achillea ptarmica 'The Pearl' 1
Achillea 'Sassy Summer Lemon' 5
Achillea 5
Achillea tomentosa 2
Achimenes 3
Achimenes 'Harry Williams' 2
Achlys triphylla 7
Acidanthera 2
Aciphylla 7
Aciphylla aurea 11
Aciphylla colensoi 1
Aciphylla dieffenbachii 4
Aciphylla dissecta 1
Aciphylla ferox 2
Aciphylla glaucescens 2
Aciphylla horrida 1
Aciphylla scott-thomsonii 2
Aciphylla squarrosa 1
Aciphylla subflabellata 2
Aciphylla traversii 1
Acis autumnalis 22
Acis nicaeensis 2
Acoelorrhaphe wrightii 3
Acokanthera oppositifolia 4
Aconitum 15
Aconitum carmichaelii 7
Aconitum columbianum 11
Aconitum fukutomei var. formosanum 2
Aconitum hemsleyanum 2
Aconitum napellus 2
Acorus 2
Acorus calamus 'Variegatus' 6
Acorus gramineus 12
Acorus gramineus 'Aureus' 1
Acorus gramineus 'Licorice' 4
Acorus gramineus 'Masamune' 6
Acorus gramineus 'Minimus Aureus' 4
Acorus gramineus 'Oborozuki' 5
Acorus gramineus 'Ogon' 3
Acorus gramineus 'Variegatus' 5
Acrocomia aculeata 1
Actaea 4
Actaea dahurica 2
Actaea japonica 4
Actaea pachypoda 3
Actaea pachypoda 'Misty Blue' 3
Actaea racemosa 8
Actaea rubra 14
Actaea rubra f. neglecta 4
Actaea simplex 4
Actaea simplex [Atropurpurea Group] 'Black Negligee' 1
Actaea simplex [Atropurpurea Group] 'Brunette' 7
Actaea simplex [Atropurpurea Group] 'Hillside Black Beauty' 5
Actinidia 11
Actinidia arguta 2
Actinidia arguta 'Anna' 1
Actinidia arguta 'Arctic Beauty' 7
Actinidia arguta (variegated) 4
Actinidia chinensis var. setosa 7
Actinidia deliciosa 21
Actinidia kolomikta 10
Actinidia polygama 8
Actinidia tetramera var. maloides 2
Actinodaphne lancifolia 2
Actinodaphne lancifolia var. sinensis 1
Adansonia digitata 3
Adenium obesum 1
Adenophora 3
Adenophora confusa 1
Adenophora morrisonensis subsp. uehatae 2
Adenophora triphylla var. japonica 2
Adiantum 6
Adiantum aleuticum 11
Adiantum capillus-veneris 10
Adiantum capillus-veneris 'Bermuda Run' 3
Adiantum capillus-veneris 'Falling Waters' 3
Adiantum capillus-veneris 'Fan Dance' 3
Adiantum caudatum 9
Adiantum formosum 1
Adiantum 'Golden Michael' 2
Adiantum hispidulum 2
Adiantum hispidulum 'Mount Haleakala' 3
Adiantum ×mairisii 5
Adiantum pedatum 17
Adiantum venustum 16
Adina rubella 14
Adina rubella 'Purple Flower' 15
Adinandra formosana 1
Adinandra millettii 6
Adonidia merrillii 1
Adonis amurensis 5
Adonis 'Chichibu Beni' 1
Adonis ramosa 1
Aechmea 2
Aechmea blanchetiana 2
Aechmea 'Blue Tango' 3
Aechmea chantinii 1
Aechmea fasciata 2
Aechmea fulgens 3
Aechmea 'Victoria' 9
Aegopodium podagraria 1
Aegopodium podagraria 'Variegatum' 4
Aeonium 3
Aeonium arboreum 'Zwartkop' 21
Aeonium 'Sunburst' 1
Aeschynanthus buxifolius 6
Aeschynanthus parvifolius 1
Aesculus 42
Aesculus ×arnoldiana 6
Aesculus 'Bergeson' 3
Aesculus californica 23
Aesculus californica 'Canyon Pink' 11
Aesculus ×carnea 5
Aesculus ×carnea 'Aureomarginata' 1
Aesculus ×carnea 'Briotii' 8
Aesculus ×carnea 'Fort McNair' 6
Aesculus ×carnea 'Rosea' 37
Aesculus ×carnea 'Variegata' 28
Aesculus ×carnea (variegated) 2
Aesculus chinensis 15
Aesculus chinensis var. wilsonii 2
Aesculus flava 10
Aesculus glabra 9
Aesculus glabra var. arguta 35
Aesculus glabra var. glabra 9
Aesculus glabra 'October Red' 4
Aesculus hippocastanum 10
Aesculus hippocastanum 'Baumannii' 2
Aesculus hippocastanum 'Hampton Court Gold' 1
Aesculus hippocastanum 'Laciniata' 5
Aesculus hippocastanum 'Wisselink' 10
Aesculus 'Homestead' 8
Aesculus indica 10
Aesculus indica 'Sydney Pearce' 8
Aesculus ×mutabilis 'Induta' 5
Aesculus parviflora 30
Aesculus parviflora 'Rogers' 2
Aesculus parviflora f. serotina 4
Aesculus pavia 15
Aesculus pavia 'Fishtail' 9
Aesculus pavia 'Humilis' 22
Aesculus pavia var. pavia 15
Aesculus pavia (PRN preferred selection) 2
Aesculus pavia 'Splendens' 27
Aesculus pavia (yellow) 2
Aesculus pavia (yellow splash) 1
Aesculus sylvatica 13
Aesculus turbinata 24
Aesculus turbinata (dwarf) 3
Aesculus turbinata (white splash) 1
Aesculus turbinata (yellow splash) 1
Aesculus wangii 3
Aesculus ×woerlitzensis 8
Aethionema armenum 4
Aethionema membranaccum 2
Aethionema saxatile 8
Aethionema schistosum 16
Aethionema subulatum 21
Afrocarpus falcatus 3
Afrocarpus gracilior 2
Agalinis 1
Agalinis aphylla 9
Agalinis fasciculata 4
Agapanthus 53
Agapanthus africanus 8
Agapanthus africanus 'Alba' 2
Agapanthus africanus 'Peter Pan' 2
Agapanthus africanus 'Variegatus' 1
Agapanthus 'Blue Globe' 1
Agapanthus 'Blue Heaven' 2
Agapanthus 'Early Blue' 3
Agapanthus inapertus major 6
Agapanthus orientalis 'Pmn06' 1
Agapanthus praecox 1
Agapanthus praecox subsp. orientalis 'Queen Anne Select' 1
Agapanthus 'Stevie's Wonder' 1
Agapanthus 'White Heaven' 2
Agapetes 'Lundgvan Cross' 2
Agapetes serpens 1
Agarista populifolia 12
Agarista populifolia 'Taylors Treasure' 4
Agastache 12
Agastache aurantiaca 8
Agastache 'Blue Boa' 3
Agastache 'Blue Fortune' 6
Agastache cana 6
Agastache cana 'Sinning' 1
Agastache 'Crazy Fortune' 5
Agastache 'Desert Sunrise' 3
Agastache foeniculum 'Golden Jubilee' 5
Agastache 'Kudos Gold' 2
Agastache mexicana 2
Agastache mexicana 'Toronjil Moroda' 1
Agastache 'Morello' 11
Agastache pallidiflora 6
Agastache 'Pink Pearl' 1
Agastache pringlei 1
Agastache 'Raspberry Summer' 2
Agastache rugosa 'Little Adder' 3
Agastache rupestris 8
Agastache scrophulariifolia 'Blue Licorice' 3
Agastache 'Shades of Orange' 1
Agastache 'Summer Breeze' 2
Agastache 'Summer Sky' 4
Agastache 'TNAGAKR' 2
Agastache 'Tutti-frutti' 2
Agastache urticifolia 11
Agathis australis 14
Agathis dammara 1
Agathis macrophylla 4
Agathis microstachya 2
Agathis moorei 2
Agathis robusta 4
Agave 170
Agave americana 20
Agave americana (Abbey Garden Form) 1
Agave americana 'Creamy Edge' 2
Agave americana 'Lemon Lime' 9
Agave americana 'Marginata' 11
Agave americana 'Mediopicta' 1
Agave americana 'Mediopicta Alba' 3
Agave americana 'Opal' 4
Agave americana subsp. protamericana 31
Agave americana 'Striata' 1
Agave ×amourifolia 'Twisted Tongue' 3
Agave applanata 2
Agave asperrima 107
Agave asperrima subsp. potosiensis 1
Agave atrovirens var. mirabilis 4
Agave attenuata 6
Agave attenuata 'Raea's Gold' 1
Agave 'Black Spruce' 1
Agave 'Bluebell Giants' 0
Agave bovicornuta 3
Agave bracteosa 3
Agave bracteosa 'Octopussy' 10
Agave bracteosa 'Squidget' 1
Agave bracteosa 'Stingray' 1
Agave celsii 17
Agave chiapensis 1
Agave chrysantha 2
Agave chrysoglossa 2
Agave 'Crazy Horse' 11
Agave dasyliriodes 6
Agave deserti 2
Agave desmettiana 'Joe Hoak' 2
Agave desmettiana 'Variegata' 1
Agave difformis 2
Agave felgeri 3
Agave filifera 1
Agave ×flexidigera 'Durango Fandango' 2
Agave flexispina 24
Agave franzosini 1
Agave funkiana 'Fatal Attraction' 3
Agave funkiana (Victoria blue form) 1
Agave geminiflora 2
Agave gentryi 'Jaws' 5
Agave ×glomeruliflora 3
Agave gracilipes 1
Agave guiengola 6
Agave gypsophila 1
Agave havardiana 83
Agave hiemiflora 1
Agave 'Huasteca Giant' 5
Agave inaequidens subsp. inaequidens 2
Agave lechuguilla 17
Agave lophantha 51
Agave lophantha × A. salmiana var. ferox 'Logan Calhoun' 23
Agave lophantha 'La Bufa Baby' 12
Agave lophantha 'Multigreen' 0
Agave lophantha 'Quadricolor' 8
Agave lophantha 'Splendida' 5
Agave lurida 'Marginata' 1
Agave macroacantha 1
Agave macroacantha 'Blue Ribbon' 0
Agave macroculmis 2
Agave montana 25
Agave montana 'Baccarat' 3
Agave montana (La Plena form) 1
Agave 'Mr. Ripple' 23
Agave multifilifera 10
Agave multifilifera 'Basaseachic Falls' 3
Agave multifilifera 'Starshine' 0
Agave murpheyi 4
Agave ocahui 4
Agave ocahui var. longifolia 3
Agave ocahui var. ocahui 3
Agave ovatifolia 103
Agave ovatifolia 'Frosty Blue' 32
Agave ovatifolia 'Killer' 2
Agave pablocarrilloi 'Baby Booties' 1
Agave palmeri 2
Agave palmeri 'Cutty Shark' 2
Agave parryi 7
Agave parryi 'Compacta Variegata' 1
Agave parryi 'Cream Spike' 4
Agave parryi 'J.C. Raulston' 75
Agave parryi 'Lime Streak' 2
Agave parryi subsp. neomexicana 50
Agave parryi subsp. neomexicana 'Culberson Giant' 3
Agave parryi subsp. neomexicana 'Sunspot' 3
Agave parryi subsp. parryi 3
Agave parryi subsp. parryi var. huachucensis 51
Agave parryi subsp. parryi var. huachucensis 'Excelsior' 7
Agave parryi subsp. parryi var. huachucensis 'Mediopicta Alba' 1
Agave parryi subsp. parryi var. truncata 7
Agave parryi subsp. parryi var. truncata 'Variegata' 1
Agave parviflora 14
Agave parviflora (PDN #08) 3
Agave pelona 2
Agave polianthiflora 6
Agave potatorum 1
Agave potatorum 'Becky' 0
Agave potatorum (hybrid) 14
Agave potatorum 'Snowfall' 1
Agave ×protamericana 'Abbey Gardens' 2
Agave ×protamericana 'Funky Toes' 0
Agave 'Ripple Effect' 2
Agave salmiana 212
Agave salmiana var. ferox 1
Agave salmiana var. ferox 'Bellville' 7
Agave salmiana var. ferox 'Green Goblet' 5
Agave salmiana var. ferox 'Logan Calhoun' 20
Agave salmiana var. ferox 'Marginata' 1
Agave scabra (Pat McNeal) 4
Agave schidigera 57
Agave schidigera 'Royal Flush' 0
Agave schidigera 'Shira-ito-no-ohi' 0
Agave schottii 2
Agave sebastiana 2
Agave 'Shark Bite' 2
Agave 'Sharkskin Shoes' 3
Agave shawii 1
Agave shrevei subsp. shrevei 1
Agave 'Silver Surfer' 9
Agave sisalana 2
Agave striata 8
Agave striata subsp. falcata 1
Agave striata var. striata 30
Agave stricta 2
Agave tenuifolia 9
Agave aff. tenuifolia 2
Agave toumeyana var. bella 4
Agave utahensis 5
Agave utahensis subsp. kaibabensis 3
Agave victoriae-reginae 53
Agave victoriae-reginae × A. lechuguilla 9
Agave victoriae-reginae × A. scabra 3
Agave victoriae-reginae 'Bustamonte' 0
Agave victoriae-reginae 'Golden Surprise' 1
Agave victoriae-reginae 'Kizan' 0
Agave victoriae-reginae 'Lemonade' 0
Agave victoriae-reginae (PDN 13) 6
Agave victoriae-reginae 'Porcupine' 20
Agave victoriae-reginae 'Ring of Gold' 4
Agave victoriae-reginae 'Sasanoyuki Shiro Fukurin' 0
Agave victoriae-reginae 'Tora Fu' 0
Agave ×victorifolia 'Queen's Whale Come' 3
Agave vilmoriniana 2
Agave weberi 'Arizona Star' 1
Agave xylonacantha 3
Agave xylonacantha 'Frostbite' 0
Ageratina ligustrina 10
Ageratum 3
Ageratum houstonianum 14
Ageratum houstonianum 'Hawaii Blue' 5
Agonis flexuosa 'After Dark' 2
Agoseris glauca 2
Agrostemma githago 1
Agrostis nebulosa 4
Ailanthus 1
Ailanthus altissima 8
Ailanthus giraldii 2
Ainsliaea 1
Aiphanes minima 2
Ajania × Chrysanthemum 15
Ajania pacifica 23
Ajuga 13
Ajuga ×bastarda 'Sparkler' 3
Ajuga 'Blueberry Muffin' 2
Ajuga 'Cordial Canary' 2
Ajuga genevensis 1
Ajuga incisa 'Bikun' 22
Ajuga incisa (variegated) 1
Ajuga 'Parrot Paradise' 2
Ajuga 'Petite Parakeet' 1
Ajuga pyramidalis 'Metallica Crispa' 4
Ajuga reptans 8
Ajuga reptans f. albiflora 'Alba' 1
Ajuga reptans 'Atropurpurea' 3
Ajuga reptans 'Binblasca' 19
Ajuga reptans 'Burgundy Glow' 2
Ajuga reptans 'Catlin's Giant' 6
Ajuga reptans 'Dixie Chip' 8
Ajuga reptans 'Golden Glow' 1
Ajuga reptans 'Pink Lightning' 2
Ajuga reptans 'Planet Zork' 3
Ajuga reptans 'Purple Brocade' 1
Ajuga reptans 'Valfredda' 5
Ajuga reptans 'Variegata' 1
Ajuga 'Tropical Toucan' 6
Akebia 5
Akebia longeracemosa 12
Akebia quinata 16
Akebia quinata 'Alba' 1
Akebia quinata 'Kohin Nishiki' 18
Akebia quinata (pink) 1
Akebia quinata (silver overlay) 15
Akebia quinata 'Variegata' 7
Akebia trifoliata 2
Akebia trifoliata (gold leaf) 1
Akebia trifoliata (variegated) 6
Alangium chinense 15
Alangium platanifolium 6
Albizia 2
Albizia coreana 33
Albizia julibrissin 15
Albizia julibrissin (ex. 'Ishii Weeping') 4
Albizia julibrissin (ex. 'Summer Chocolate') 5
Albizia julibrissin 'Fine Wine' 1
Albizia julibrissin 'Fukuba Shidare' 35
Albizia julibrissin 'Ncaj1' 2
Albizia julibrissin 'Summer Chocolate' 21
Albizia julibrissin (unryu) 1
Albizia julibrissin (white splash, red stem) 2
Albizia julibrissin (white-flowered) 7
Albizia kalkora 19
Albuca aurea (Naude's Nek form) 8
Albuca shawii 20
Albuca spiralis 2
Alcea 2
Alcea froloviana 4
Alcea rosea 17
Alcea rosea 'Nigra' 1
Alcea rugosa 2
Alchemilla 8
Alchemilla guatamalensis 1
Alchemilla mollis 17
Alchemilla splendens 1
Alchemilla vulgaris 1
Aletris farinosa 9
Allamanda 6
Allamanda cathartica 6
Allium 57
Allium akaka 5
Allium 'Ambassador' 2
Allium amethystinum 1
Allium ampeloprasum var. ampeloprasum 5
Allium ampeloprasum (Porrum Group) 1
Allium atropurpureum 4
Allium caeruleum 7
Allium callimischon subsp. haemostictum 1
Allium canadense var. florosum 'White Flag' 14
Allium canadense var. mobilense 4
Allium carinatum subsp. pulchellum f. album 1
Allium cepa 11
Allium cepa 'Medusa' 3
Allium cernuum 8
Allium crispum 1
Allium cristophii 40
Allium cyathophorum var. farreri 5
Allium cyrilli 6
Allium falcifolium 16
Allium flavum 8
Allium geyeri 6
Allium giganteum 3
Allium giganteum 'White Giant' 2
Allium 'Globemaster' 3
Allium grande 1
Allium 'Hair' 1
Allium hollandicum 'Purple Sensation' 3
Allium jesdianum 'Akbulak' 2
Allium jesdianum 'Early Emperor' 3
Allium karataviense 7
Allium karataviense (Red & Pink Giant mix) 3
Allium kermesinum 1
Allium litvinovii 2
Allium 'Miami' 2
Allium 'Millennium' 19
Allium moly 2
Allium moly 'Jeannine' 3
Allium narcissiflorum 9
Allium neapolitanum 3
Allium nevskianum 2
Allium nutans 'Pam Harper' 0
Allium oreophilum 1
Allium 'Ostara' 4
Allium perdulce 1
Allium 'Pink Feathers' 12
Allium 'Pink Planet' 3
Allium ×proliferum 5
Allium pulchellum 10
Allium 'Rien Poortvliet' 3
Allium rosenbachianum 2
Allium sativum 4
Allium schoenoprasum 9
Allium schubertii 9
Allium senescens 2
Allium senescens 'Blue Eddy' 1
Allium senescens 'Glauca' 4
Allium senescens subsp. montanum 3
Allium speculae 2
Allium sphaerocephalon 18
Allium stellatum 11
Allium 'Sugar Melt' 6
Allium 'Summer Drummer' 9
Allium texanum 4
Allium thunbergii 2
Allium thunbergii 'Ozawa' 2
Allium tricoccum 2
Allium triquetrum 13
Allium tuberosum 34
Allium unifolium 1
Allium victorialis 1
Allium virgunculae var. kiiense 11
Alniphyllum fortunei 16
Alnus 9
Alnus cordata 12
Alnus glutinosa 5
Alnus glutinosa 'Imperialis' 3
Alnus glutinosa 'Razzmatazz' 2
Alnus hirsuta 1
Alnus japonica 4
Alnus maritima 3
Alnus rubra 2
Alocasia 6
Alocasia (A1VT-057) 1
Alocasia 'Calidora' 2
Alocasia cucullata 2
Alocasia cucullata 'Moon Landing' 7
Alocasia gageana 'California' 6
Alocasia 'Hilo Beauty' 5
Alocasia macrorrhizos 7
Alocasia macrorrhizos 'Shock Treatment' 5
Alocasia macrorrhizos 'Variegata' 15
Alocasia odora 'Okinawa Silver' 4
Alocasia 'Portodora' 13
Alocasia 'Regal Shields' 3
Alocasia 'Sarian' 2
Alocasia 'Stingray' 1
Alocasia wentii 5
Alocasia wentii 'Vintage Silver' 1
Aloe 23
Aloe arborescens 6
Aloe arborescens 'Variegata' 2
Aloe aristata 8
Aloe barberae 2
Aloe boylei 9
Aloe brevifolia 3
Aloe buhrii 2
Aloe cooperi 35
Aloe dawei 1
Aloe fosteri 4
Aloe gerstneri 1
Aloe glauca 2
Aloe 'Grassy Lassie' 13
Aloe humilis 2
Aloe maculata 27
Aloe maculata 'Fort Worth' 14
Aloe marlothii 1
Aloe mawii 1
Aloe polyphylla 13
Aloe ×spinosissima 4
Aloe striatula 1
Aloe thraskii 1
Aloe ukambensis 1
Aloe vanbalenii 1
Aloe vera 4
Aloe zebrina 3
×Aloinanthus 10
×Aloinanthus 'Yellow Eye' 4
Aloinopsis spathulata 20
Alopecurus pratensis 'Aureus' 1
Aloysia chamaedryfolia 2
Aloysia citriodora 2
Aloysia virgata 3
Alpinia 4
Alpinia 'Chinese Beauty' 4
Alpinia formosana 'Pinstripe' 1
Alpinia hainanensis 2
Alpinia intermedia 'Sun Spice' 2
Alpinia japonica 16
Alpinia japonica 'Extra Spicy' 2
Alpinia japonica 'Hanafubuki' 1
Alpinia nutans 3
Alpinia pumila 2
Alpinia vittata 1
Alpinia zerumbet 6
Alpinia zerumbet 'Variegata' 9
Alstroemeria 43
Alstroemeria aurea 2
Alstroemeria 'Casablanca' 20
Alstroemeria 'Freedom' 26
Alstroemeria ×hybrida 1
Alstroemeria ×hybrida 'Pas2052' 6
Alstroemeria ×hybrida 'PAS2055' 3
Alstroemeria psittacina 'Variegata' 12
Alstroemeria 'Stapripal' 2
Alstroemeria 'Sweet Laura' 16
Alstroemeria 'Tangerine Tango' 1
Alstroemeria 'Tesronto Imp' 9
Alternanthera 3
Alternanthera brasiliana 'Purple Prince' 9
Alternanthera 'Brazilian Red Hots' 5
Alternanthera dentata 'Little Ruby' 6
Alternanthera dentata 'Purple Knight' 1
Alternanthera dentata 'Rubiginosa' 5
Alternanthera ficoidea 7
Alternanthera ficoidea 'Golden Threads' 3
Alternanthera ficoidea 'Party Time' 2
Alternanthera ficoidea 'Red Threads' 3
Alternanthera 'Party Time' 1
Alternanthera 4
Althaea broussonetiifolia 7
Alyssum 1
Alyssum aizoides 4
Alyssum murale 3
Alyssum oxycarpum 6
Alyssum stribrnyi 3
Alyssum 3
Alyssum wulfenianum 1
Amanita caesarea 1
Amaranthus 23
Amaranthus caudatus 7
Amaranthus cruentus 'Hot Biscuits' 3
Amaranthus tricolor 9
Amaranthus tricolor 'Aurora' 9
Amaranthus tricolor 'Illumination' 5
×Amarcrinum 6
×Amarcrinum memoria-corsii 5
×Amarcrinum memoria-corsii 'Howardii' 36
×Amarygia parkeri 'Hathor' 2
Amaryllis belladonna 8
Amelanchier 15
Amelanchier alnifolia 5
Amelanchier alnifolia 'Obelisk' 3
Amelanchier alnifolia var. pumila 2
Amelanchier arborea 12
Amelanchier canadensis 1
Amelanchier canadensis 'Glenn Form' 13
Amelanchier ×grandiflora 'Silver Fountain' 18
Amelanchier ×grandiflora (yellow splash) 1
Amelanchier laevis 'Cumulus' 1
Amelanchier obovalis 2
Amelanchier sanguinea 6
Amelanchier stolonifera 2
×Amelasorbus jackii 1
Amicia zygomeris 1
Amitostigma gracile 1
Ammocharis coranica 16
Amorpha canescens 2
Amorpha fruticosa 10
Amorpha georgiana 4
Amorpha nana 3
Amorpha nitens 2
Amorphophallus 7
Amorphophallus albus 4
Amorphophallus atroviridis 1
Amorphophallus atroviridis (A1VT-218) 1
Amorphophallus atroviridis (A1VT-223) 1
Amorphophallus bulbifer 14
Amorphophallus bulbifer (AGA-072) 3
Amorphophallus bulbifer 'Stemulation' 1
Amorphophallus dunnii 3
Amorphophallus dunnii (AGA-270) 1
Amorphophallus henryi 9
Amorphophallus henryi (narrow leaf form) 5
Amorphophallus henryi (PDN #2) 3
Amorphophallus kiusianus 41
Amorphophallus konjac 32
Amorphophallus konjac (beige stem) 3
Amorphophallus konjac 'Funky Form' 1
Amorphophallus konjac 'Gordon's Gold' 3
Amorphophallus konjac 'Leo Song' 3
Amorphophallus konjac 'Nightstick' 1
Amorphophallus konjac 'Shattered Glass' 8
Amorphophallus konjac (threadleaf form) 2
Amorphophallus krausei (Kew Form) 3
Amorphophallus paeonifolius 3
Amorphophallus pygmaeus 1
Amorphophallus thaiensis 1
Amorphophallus titanum 150
Amorphophallus yunnanensis 26
Ampelaster carolinianus 35
Ampelopsis arborea 1
Ampelopsis brevipedunculata 1
Amsonia 2
Amsonia 'Blue Ice' 4
Amsonia ciliata 2
Amsonia ciliata var. ciliata 3
Amsonia ciliata var. filifolia 'Georgia Pancake' 11
Amsonia ciliata 'Halfway to Arkansas' 3
Amsonia elliptica 19
Amsonia hubrichtii 68
Amsonia hubrichtii 'Butterscotch' 2
Amsonia illustris 2
Amsonia jonesii 3
Amsonia peeblesii 5
Amsonia rigida 4
Amsonia tabernaemontana 28
Amsonia tabernaemontana 'Montana' 2
Amsonia tabernaemontana var. salicifolia 4
Amsonia tabernaemontana 'Short Stack' 3
Amsonia tabernaemontana 'Storm Cloud' 7
Amsonia tabernaemontana var. tabernaemontana 6
Anacampseros rufescens 14
Anacyclus pyrethrum var. depressus 3
Anagallis 2
Anagallis monelli subsp. monelli 2
Ananas 6
Ananas comosus 9
Ananas comosus var. bracteatus 'Tricolor' 4
Ananas comosus 'Costa Rica Variegated' 7
Ananas lucidus 1
Anaphalioides hookeri 3
Anaphalioides trinervis 2
Anaphalis margaritacea 2
Anaphalis morrisonicola 1
Anaphalis triplinervis 1
Anchusa azurea 4
Anchusa 'Blue Angel' 2
Andrachne colchica 4
Androcymbium longipes 1
Andromeda 2
Andromeda polifolia 1
Andromeda polifolia 'Nana' 2
Andropogon 1
Andropogon gerardii 'Lord Snowden's Big Blue' 7
Andropogon gerardii 'Red October' 2
Andropogon glomeratus 2
Andropogon ternarius 3
Andropogon virginicus var. glaucus 'Silver Beauty' 3
Androsace bulleyana 7
Androsace chamaejasme 2
Androsace filiformis 2
Androsace lanuginosa 4
Androsace pyrenaica 2
Androsace sempervivoides 1
Androsace septentrionalis 25
Androsace villosa 1
Anemanthele lessoniana 1
Anemia tomentosa 'Tucuman' 3
Anemone 24
Anemone blanda 11
Anemone blanda 'Blue Shades' 8
Anemone blanda 'Violet Star' 2
Anemone blanda 'White Splendor' 8
Anemone cordata 3
Anemone coronaria 11
Anemone coronaria 'Bride' 2
Anemone coronaria De Caen Group 2
Anemone coronaria 'Hollandia' (De Caen Group) 2
Anemone coronaria 'Mister Fokker' 5
Anemone coronaria 'Mount Everest' 5
Anemone coronaria [St. Brigid Group] 'Lord Lieutenant' 4
Anemone coronaria 'Sylphide' 1
Anemone coronaria 'The Admiral' (St. Brigid Group) 3
Anemone deltoidea 8
Anemone hupehensis 2
Anemone hupehensis var. japonica 20
Anemone hupehensis 'Pretty Lady Maria' 7
Anemone ×hybrida 3
Anemone keiskeana 5
Anemone multifida 7
Anemone multifida var. multifida 6
Anemone multifida var. saxicola 4
Anemone narcissiflora var. zephyra 10
Anemone nemorosa 4
Anemone nemorosa 'Robinsoniana' 1
Anemone nemorosa 'Vestal' 3
Anemone occidentalis 9
Anemone quinquefolia 9
Anemone rivularis 4
Anemone sylvestris 5
Anemone tomentosa 'Albadura' 1
Anemone virginiana 6
Anemone vitifolia 4
Anemonella thalictroides 33
Anemonella thalictroides 'Betty Blake' 2
Anemonella thalictroides 'Cameo' 1
Anemonella thalictroides f. rosea 'Oscar Schoaf' 5
Anemonoides nemorosa 1
Anemopsis californica 5
Anethum graveolens 4
Angelica gigas 12
Angelica grayi 2
Angelica keiskei 2
Angelica pachycarpa 2
Angelica palustris 2
Angelica sylvestris 'Purpurea' 4
Angelonia 2
Angelonia angustifolia 1
Angelonia angustifolia 'Angel Face Blue' 6
Angelonia angustifolia 'Angel Face White' 2
Angelonia angustifolia 1
Angelonia angustifolia 'Balangsparkl' 2
Angelonia angustifolia 'Balangspird' 5
Angelonia angustifolia 'Balangspri' 4
Angelonia angustifolia 'Balarcher' 4
Angelonia angustifolia 'Balarcink' 4
Angelonia angustifolia 'Balarclubi' 3
Angelonia angustifolia 'Balarcpur' 3
Angelonia angustifolia 'Balarcwite' 4
Angelonia angustifolia 'Cart Laver' 3
Angelonia angustifolia 'Cart Pur' 1
Angelonia angustifolia 'Cart White' 2
Angelonia angustifolia 'Pas11141443' 2
Angelonia angustifolia 'Pas1342273' 2
Angelonia angustifolia 'PAS777797' 2
Angelonia angustifolia 'PAS803822' 2
Angelonia angustifolia 'PAS811168' 1
Angelonia angustifolia 'Pas933541' 7
Angelonia 'Archangel Dark Purple' 3
Anguloa clowesii 2
Anguloa virginalis 2
Anigozanthos 1
Anigozanthos 'Bush Pearl' 3
Anisacanthus 1
Anisacanthus linearis 3
Anisacanthus quadrifidus var. wrightii 8
Anisacanthus quadrifidus var. wrightii 'Pumpkin' 10
Anisodontea capensis 2
Annona muricata 4
Anopterus glandulosus 3
Antennaria 16
Antennaria dioica 2
Antennaria dioica 'Rotes Wunder' 2
Antennaria dioica 'Rubra' 2
Antennaria 'McClintock' 2
Antennaria rosea 12
Anthemis 3
Anthemis sancti-johannis 1
Anthemis tinctoria 'Johanna Mitchell' 2
Anthericum ramosum 2
Anthericum sanderii (variegated) 2
Anthriscus sylvestris 'Ravenswing' 1
Anthurium 19
Anthurium andraeanum 3
Anthurium hoffmannii 2
Anthurium hookeri 2
Anthurium magnificum 1
Anthurium scherzerianum 2
Anthyllis vulneraria 1
Antigonon guatemalense 1
Antigonon leptopus 3
Antirrhinum 26
Antirrhinum australe 1
Antirrhinum barrelieri 5
Antirrhinum braun-blanquetii 14
Antirrhinum 'Dulcinea's Heart' 2
Antirrhinum hispanicum 34
Antirrhinum hispanicum 'Roseum' 5
Antirrhinum latifolium 2
Antirrhinum majus 41
Antirrhinum majus 'Sonnet White' 1
Antirrhinum pulverulentum 1
Antirrhinum sempervirens 4
Aphananthe aspera 1
Aphelandra squarrosa 4
Aphelandra squarrosa 'Dania' 1
Aphelandra tetragona 1
Apium graveolens 2
Aplectrum hyemale 4
Apocynum androsaemifolium 3
Aponogeton distachyos 13
Aquilegia 33
Aquilegia atrata 1
Aquilegia bertolonii 1
Aquilegia buergeriana (dwarf form) 15
Aquilegia caerulea 33
Aquilegia caerulea 19
Aquilegia caerulea 25
Aquilegia caerulea 21
Aquilegia caerulea 21
Aquilegia canadensis 20
Aquilegia canadensis 'Corbett' 4
Aquilegia chrysantha 'Denver Gold' 2
Aquilegia eximia 1
Aquilegia flabellata 2
Aquilegia flabellata f. alba 1
Aquilegia formosa 8
Aquilegia 9
Aquilegia Mckana Group 5
Aquilegia oxysepala var. kansuensis 9
Aquilegia parviflora 4
Aquilegia ×puryearana 'Bernice Ikins' 17
Aquilegia 'Roman Bronze' 2
Aquilegia saximontana 1
Aquilegia transsilvanica 3
Aquilegia vulgaris 1
Aquilegia vulgaris Vervaeneana Group 4
Aquilegia vulgaris 'Woodside' 1
Aquilegia yabeana 1
Arabis 1
Arabis alpina subsp. caucasica 1
Arabis alpina subsp. caucasica 'Schneehaube' 4
Arabis androsacea 5
Arabis collina 2
Arabis cypria 3
Arabis ferdinandi-coburgii 'Variegata' 2
Arabis procurrens 3
Arachis hypogaea 5
Arachniodes amabilis var. fimbriata 1
Arachniodes davalliaeformis 7
Arachniodes simplicior 6
Arachniodes standishii 7
Araiostegia pseudocystopteris 8
Aralia 13
Aralia cachemirica 2
Aralia californica 4
Aralia cordata 9
Aralia cordata 'Sun King' 14
Aralia elata 4
Aralia elata 'Aureovariegata' 8
Aralia elata 'Silver Umbrella' 15
Aralia elata 'Variegata' 8
Aralia nudicaulis 4
Aralia racemosa 7
Aralia spinosa 15
Araliopsis 1
Araucaria 13
Araucaria angustifolia 12
Araucaria araucana 91
Araucaria araucana × A. angustifolia 20
Araucaria bidwillii 6
Araucaria columnaris 6
Araucaria cunninghamii 1
Araucaria cunninghamii var. papuana 3
Araucaria heterophylla 15
Araucaria hunsteinii 3
Araucaria rulei 5
Araujia sericifera 4
Arbutus 13
Arbutus ×andrachnoides 18
Arbutus canariensis 9
Arbutus 'Marina' 12
Arbutus menziesii 38
Arbutus unedo 12
Arbutus unedo 'Compacta' 23
Arbutus unedo 'Elfin King' 42
Arctostaphylos 9
Arctostaphylos arguta 1
Arctostaphylos ×coloradensis 1
Arctostaphylos ×coloradensis 'Panchito' 3
Arctostaphylos densiflora 'Sentinel' 2
Arctostaphylos glauca 5
Arctostaphylos ×media 'Wood's Red' 2
Arctostaphylos pungens 5
Arctostaphylos uva-ursi 18
Arctostaphylos uva-ursi 'Massachusetts' 4
Arctostaphylos uva-ursi 'Vancouver Jade' 2
Arctostaphylos viscida 5
Arctotheca calendula 3
Arctotis 1
Arctotis acaulis 1
Arctotis adpressa 1
Arctotis 'Archnah' 1
Arctotis 'Cherry Silk' 4
Arctotis 'Midnight Red' 1
Arctotis venusta 1
Ardisia 4
Ardisia crenata 13
Ardisia crenata 6
Ardisia crenata 'Benikujyaku' 16
Ardisia crenata 'Haku Ho' 5
Ardisia crenata 'Kotobuki' 5
Ardisia crenata 'Shiromi Daikokuten' 6
Ardisia crenata (white-fruited) 5
Ardisia crispa 2
Ardisia crispa 'Kokkou Daruma' 2
Ardisia japonica 8
Ardisia japonica 'Amanogawa' 4
Ardisia japonica 'Andre the Giant' 12
Ardisia japonica 'Angyo Pixie' 2
Ardisia japonica 'Asahi' 1
Ardisia japonica 'Beni Yukiji' 1
Ardisia japonica 'Beni-no-tsukasa' 2
Ardisia japonica 'Biwa Nishiki' 2
Ardisia japonica 'Chirimen' 31
Ardisia japonica 'Fuji' 2
Ardisia japonica 'Gosho Guruma' 5
Ardisia japonica 'Hakuou' 5
Ardisia japonica 'Hakuoukan' (White King Crown) 3
Ardisia japonica 'Hanaguruma' 2
Ardisia japonica 'Hanatei' 3
Ardisia japonica 'Hi-no-tsukasa' 1
Ardisia japonica 'Hinode' 2
Ardisia japonica 'Homare' 1
Ardisia japonica 'Houkan' 2
Ardisia japonica 'Ito-Fukurin' 3
Ardisia japonica 'Izu Shinju' 1
Ardisia japonica 'Kimigayo' 2
Ardisia japonica 'Kokikan' 2
Ardisia japonica 'Koshi-no-Hana' 4
Ardisia japonica 'Koukan' 4
Ardisia japonica 'Kujaku Yamata' 1
Ardisia japonica 'Kyokou' 1
Ardisia japonica 'Maruyama Sunago' 2
Ardisia japonica 'Miho-no-matsu' 2
Ardisia japonica 'Mino-no-Yuki' 1
Ardisia japonica 'Miyo Nishiki' 1
Ardisia japonica 'Nittatsumara' 1
Ardisia japonica 'Rougestone' 1
Ardisia japonica 'Ryu Nishiki' 2
Ardisia japonica 'Shirofu Chirimen' 1
Ardisia japonica 'Tagami Nishiki' 1
Ardisia japonica 'Tsujigahana' 4
Ardisia japonica 'Tsuzure-no-Nishiki' 1
Ardisia japonica 'Usawa' 3
Ardisia squamulosa 2
Ardisia violacea 1
Ardisia aff. violacea 1
Arenaria alfacarensis 4
Arenaria congesta 8
Arenaria fendleri 7
Arenaria montana 2
Arenaria montana 'Avalanche' 1
Argemone 1
Argemone platyceras 'Busy Bee' 1
Argemone pleiacantha 4
Argemone polyanthemos 3
Argentina egedii 2
Argyranthemum 8
Argyranthemum frutescens 8
Argyranthemum frutescens 'G14420' 14
Argyranthemum frutescens 'G15101' 7
Argyranthemum frutescens 'G15104' 4
Argyreia nervosa 2
Argyroxiphium kauense 1
Argyroxiphium sandwicense 3
Argyroxiphium sandwicense subsp. macrocephalum 9
Arisaema 36
Arisaema amurense var. amurense 1
Arisaema angustatum var. peninsulae 4
Arisaema candidissimum 10
Arisaema ciliatum 4
Arisaema ciliatum var. liubaence 9
Arisaema concinnum 5
Arisaema consanguineum 12
Arisaema consanguineum (silver center) 1
Arisaema 'Crossing Over' 4
Arisaema dahaiense 2
Arisaema dracontium 3
Arisaema erubescens 9
Arisaema fargesii 16
Arisaema formosanum 6
Arisaema grapsospadix 3
Arisaema griffithii 6
Arisaema heterophyllum 10
Arisaema kiushianum 7
Arisaema nepenthoides 1
Arisaema ringens 44
Arisaema ringens (variegated) 1
Arisaema saxatile 5
Arisaema sazensoo 7
Arisaema serratum 5
Arisaema serratum var. serratum 2
Arisaema serratum var. serratum 'Ulleung Treasure' 2
Arisaema sikokianum 19
Arisaema sikokianum var. serratum (silver center) 1
Arisaema sylvestrii 2
Arisaema taiwanense 38
Arisaema taiwanense (silver sheen) 11
Arisaema thunbergii 11
Arisaema thunbergii subsp. urashima 14
Arisaema thunbergii subsp. urashima 'Stormy Seas' 3
Arisaema thunbergii subsp. urashima (yellow dusted) 1
Arisaema tortuosum 4
Arisaema tosaense 8
Arisaema triphyllum 33
Arisaema triphyllum (black stem selection) 5
Arisaema triphyllum 'Blackjack' 5
Arisaema triphyllum 'Starburst' 2
Arisaema wilsonii 4
Arisarum proboscideum 5
Aristolochia 2
Aristolochia californica 1
Aristolochia clematitis 8
Aristolochia elegans 1
Aristolochia fimbriata 63
Aristolochia gigantea 7
Aristolochia labiata 1
Aristolochia macrophylla 1
Aristolochia manshuriensis 2
Aristolochia quercetorum 2
Aristolochia watsonii 1
Aristotelia serrata 2
Armeria 11
Armeria cinerea 21
Armeria leucocephala 1
Armeria maritima 9
Armeria rouyana 2
Armeria villosa 1
Armeria welwitschii 2
Armoracia rusticana 3
Arnica cordifolia 3
Aronia 7
Aronia arbutifolia 4
Aronia arbutifolia 'Brilliantissima' 6
Aronia melanocarpa 2
Artemisia 38
Artemisia abrotanum 2
Artemisia anomala 2
Artemisia borealis 2
Artemisia dracunculus 1
Artemisia frigida 3
Artemisia lactiflora 1
Artemisia ludoviciana 2
Artemisia ludoviciana 'Silver King' 1
Artemisia ludoviciana 'Valerie Finnis' 2
Artemisia 'Powis Castle' 3
Artemisia schmidtiana 1
Artemisia stellariana 2
Artemisia tridentata 3
Artemisia versicolor 2
Artemisia vulgaris 'Janlim' 2
Arthropodium cirrhatum 2
Arthropodium cirrhatum 'Parnell' 2
Arthropodium cirrhatum 'White Spire' 2
Artocarpus altilis 6
Artocarpus incisus 4
Arum 1
Arum concinnatum 12
Arum creticum 5
Arum cyrenaicum × A. concinnatum 2
Arum dioscoridis 4
Arum dioscoridis var. dioscoridis 3
Arum italicum 2
Arum italicum × Arum italicum subsp. neglectum 'Chameleon' 3
Arum italicum 'Billy Hunt' 3
Arum italicum 'Dapples' 2
Arum italicum 'Grandma' 5
Arum italicum 'Great Barfield' 1
Arum italicum subsp. italicum 47
Arum italicum subsp. italicum (#026.B black spots) 3
Arum italicum 'Jet Black Wonder' 4
Arum italicum 'Legs' 3
Arum italicum (No. 1) 7
Arum italicum (No. 2) 4
Arum maculatum 1
Arum pictum 11
Aruncus 5
Aruncus aethusifolius 1
Aruncus dioicus 8
Aruncus 'Misty Lace' 3
Arundina graminifolia 5
Arundinaria 1
Arundinaria viridistriata 1
Arundo 1
Arundo donax 6
Arundo donax 'Golden Chain' 14
Arundo donax 'Peppermint Stick' 17
Arundo donax 'Variegata' 19
Asarina procumbens 10
Asarum 38
Asarum albomaculatum 3
Asarum arifolium 10
Asarum arifolium 'Brunswick Stew' 4
Asarum asaroides 7
Asarum asperum 4
Asarum campaniflorum 8
Asarum canadense 9
Asarum caudatum 14
Asarum caudigerum 4
Asarum caulescens 1
Asarum caulescens (gold variegated) 1
Asarum crassum 1
Asarum crispulatum 2
Asarum debile 4
Asarum delavayi 15
Asarum europaeum 6
Asarum fauriei var. takaoi 'Roundabout' 4
Asarum fauriei var. takaoi (silver dusted) 1
Asarum fauriei var. takaoi (silver speckle) 1
Asarum forbesii 2
Asarum hartwegii 1
Asarum hexalobum 1
Asarum hirsutisepalum 4
Asarum hirsutisepalum 'Sarlacc' 25
Asarum hypogynum 10
Asarum ichangense 1
Asarum kumageanum 9
Asarum lemmonii 1
Asarum longirhizomatosum 3
Asarum macranthum 42
Asarum macranthum (A1TW-001c) 2
Asarum macranthum (A1TW-171c) 1
Asarum macranthum (A1TW-171e) 1
Asarum marmoratum 2
Asarum maximum 6
Asarum maximum 'Ling Ling' 13
Asarum maximum 'Shell Shocked' 1
Asarum megacalyx 3
Asarum megacalyx 'Green Sheen' 3
Asarum minamitanianum 2
Asarum minus 11
Asarum minus (A1NC-006) 1
Asarum minus (PDN clone #4) 1
Asarum nipponicum 2
Asarum nipponicum (silver leaf) 1
Asarum nobilissimum 2
Asarum porphyronotum 3
Asarum sakawanum 3
Asarum satsumense 1
Asarum savatieri 1
Asarum 'Setsu Getsu Ka' 7
Asarum shuttleworthii 2
Asarum shuttleworthii var. harperi 2
Asarum shuttleworthii var. harperi 'Callaway' 4
Asarum sieboldii 2
Asarum (silver leaf, long petiole) 1
Asarum simile 2
Asarum (species 3) 1
Asarum speciosum 1
Asarum speciosum 'Woodlander's Select' 5
Asarum splendens 13
Asarum subglobosum 10
Asarum aff. taipingshanianum 5
Asarum taipingshanianum 14
Asarum virginicum 6
Asclepias 6
Asclepias angustifolia 7
Asclepias asperula 2
Asclepias curassavica 2
Asclepias fascicularis 1
Asclepias hallii 2
Asclepias humistrata 4
Asclepias incarnata 22
Asclepias lanceolata 3
Asclepias linearis 1
Asclepias 'Monarch Promise' 1
Asclepias pedicellata 2
Asclepias perennis 2
Asclepias purpurascens 1
Asclepias speciosa 7
Asclepias syriaca 7
Asclepias tuberosa 33
Asclepias tuberosa (orange-red) 12
Asclepias tuberosa subsp. tuberosa 56
Asclepias tuberosa (yellow) 5
Asimina angustifolia 16
Asimina triloba 16
Asparagus 5
Asparagus acutifolius 2
Asparagus africanus 4
Asparagus asparagoides 2
Asparagus cochinchinensis 10
Asparagus densiflorus 2
Asparagus densiflorus 'Hardy Sprengeri' 14
Asparagus densiflorus Sprengeri Group 5
Asparagus densiflorus [Sprengeri Group] 'Graham's Mini' 2
Asparagus denudatus 15
Asparagus 'Ellington' 11
Asparagus falcatus 4
Asparagus filicinus 1
Asparagus microraphis 12
Asparagus officinalis 13
Asparagus oligoclonos 4
Asparagus schoberioides 3
Asparagus setaceus 9
Asparagus suaveolens 2
Asparagus suaveolens (Penrock form) 3
Asparagus virgatus 9
Asparagus volubilis 5
Asperula boissieri 1
Asperula gussonii 6
Asperula orientalis 5
Asphodeline liburnica 7
Asphodeline lutea 13
Asphodeline lutea 'Italian Gold' 5
Asphodeline taurica 2
Asphodelus 5
Asphodelus albus 4
Asphodelus cerasiferus 2
Asphodelus fistulosus 4
Asphodelus ramosus 6
Aspidistra 5
Aspidistra attenuata 1
Aspidistra attenuata 'Taiwan Treasure' 1
Aspidistra 'Barr01' 1
Aspidistra basalis 'Green Jeans' 2
Aspidistra 'China Moon' 1
Aspidistra (dwarf streaked) 7
Aspidistra ebianensis 'Flowing Fountains' 2
Aspidistra ebianensis (spotted form) 3
Aspidistra elatior 7
Aspidistra elatior 'Akebono' 7
Aspidistra elatior 'Asahi' 46
Aspidistra elatior (ex. 'Hoshi Zora') 4
Aspidistra elatior 'Hoshi Zora' 9
Aspidistra elatior 'Ippin' 4
Aspidistra elatior (large pale spots) 1
Aspidistra elatior 'Lennon's Song' 16
Aspidistra elatior 'Milky Way' 0
Aspidistra elatior 'Morning Frost' 2
Aspidistra elatior 'Okame' 12
Aspidistra elatior 'Sekko Kan' 2
Aspidistra elatior 'Snow Cap' 10
Aspidistra elatior 'Stars and Stripes' 9
Aspidistra elatior 'Taihou' 1
Aspidistra elatior 'To Ryu Mon' 2
Aspidistra elatior 'Variegata' 1
Aspidistra elatior (white stripes) 1
Aspidistra (large, pale spots) 1
Aspidistra mushaensis 'Spotty Dotty' 4
Aspidistra oblanceifolia 'Nagoya Stars' 16
Aspidistra omeiensis 'Come Pleated' 2
Aspidistra (pale spots) 4
Aspidistra sichuanensis 'Dappled Expectation' 5
Aspidistra sichuanensis 'Ghost Spots' 3
Aspidistra sichuanensis 'Gold Lancer' 1
Aspidistra sichuanensis 'Rawhide' 6
Aspidistra sichuanensis 'Spek-tacular' 6
Aspidistra sichuanensis (striped and spotted) 3
Aspidistra (spotted) 2
Aspidistra subrotata 'Mr. Jiew' 0
Aspidistra sutepensis 'Doi Inthanon' 2
Aspidistra tonkinensis 'Clouded Leopard' 4
Aspidistra vietnamensis 'Ginga' 5
Aspidistra zongbayi (striped and spotted) 7
Aspidotis densa 9
Asplenium 3
Asplenium antiguum 1
Asplenium bulbiferum 2
Asplenium dalhousiae 1
Asplenium ×ebenoides 3
Asplenium lamprophyllum 1
Asplenium lyallii 1
Asplenium nidus 8
Asplenium oblongifolium 2
Asplenium 'Pacific Beauty' 2
Asplenium platyneuron 1
Asplenium scolopendrium 22
Asplenium scolopendrium 'Kaye's Lacerated' 3
Asplenium scolopendrium Marginatum Group 2
Asplenium scolopendrium (Undulatum group) 5
Astelia 1
Astelia banksii 1
Astelia chathamica 4
Astelia graminea 1
Astelia grandis 1
Astelia nervosa 3
Astelia nervosa 'Westland' 1
Astelia nivicola 'Red Gem' 1
Astelia petriei 1
Astelia 'Red Devil' 1
Astelia trinervia 1
Aster 26
Aster ageratoides 'Ashvi' 6
Aster ageratoides 'Ezo Murasaki' 15
Aster ageratoides var. scaberulus 4
Aster alpinus 1
Aster grandiflorus 1
Aster himalaicus 2
Aster laevis 'Calliope' 1
Aster sikkimmensis 8
Aster tataricus 28
Aster tataricus 'Jindai' 9
Aster turbinellus 7
Asteriscus maritimus 2
Astilbe 40
Astilbe chinensis 2
Astilbe chinensis 'Maggie Daley' 3
Astilbe chinensis 'Pumila' 3
Astilbe chinensis 'Visions' 4
Astilbe 'Deutschland' 2
Astilbe longicarpa 6
Astilbe cf. longicarpa 1
Astilbe rivularis var. myriantha 2
Astilbe ×rosea 'Peach Blossom' 1
Astilbe simplicifolia 'Darwin's Snow Sprite' 2
Astilboides tabularis 4
Astragalus 7
Astragalus alpinus 6
Astragalus crassicarpus 2
Astragalus curvicarpus 3
Astragalus drummondii 4
Astragalus filipes 2
Astragalus kentrophyta var. implexus 12
Astragalus molybdenus 2
Astragalus purshii 4
Astragalus tenellus 2
Astrantia major 8
Astrantia major 'Alba' 3
Astrantia major 'Sunningdale Variegated' 5
Astrolepis windhamii 2
Astrophytum myriostigma 1
Asystasia gangetica 1
Athrotaxis cupressoides 4
Athrotaxis selaginoides 4
Athyrium 4
Athyrium 'Branford Beauty' 3
Athyrium brevifrons 4
Athyrium filix-femina 6
Athyrium filix-femina 'Cruciato-cristatum' 11
Athyrium filix-femina 'Victoriae' 5
Athyrium 'Ghost' 4
Athyrium 'Godzilla' 8
Athyrium 'Lady In Red' 2
Athyrium niponicum 7
Athyrium niponicum 'Lemon Cream' 4
Athyrium niponicum var. pictum 5
Athyrium niponicum var. pictum 'Burgundy Lace' 2
Athyrium niponicum var. pictum 'Pearly White' 2
Athyrium niponicum var. pictum 'Silver Falls' 3
Athyrium niponicum 'Rebel Rouser' 2
Athyrium niponicum 'Regal Red' 8
Athyrium otophorum 3
Atriplex 1
Atriplex canescens 4
Atriplex confertifolia 3
Atropa bella-donna 3
Attalea 2
Attalea cohune 4
Aubrieta 5
Aubrieta ×hybrida 3
Aucuba 22
Aucuba albopunctifolia 2
Aucuba chinensis 17
Aucuba aff. chlorascens 3
Aucuba aff. confertiflora 1
Aucuba himalaica 3
Aucuba himalaica var. dolichophylla 2
Aucuba japonica 4
Aucuba japonica 'Arashiyama' 10
Aucuba japonica 'Big Mamma' 6
Aucuba japonica var. borealis 4
Aucuba japonica var. borealis 'Honshu' 7
Aucuba japonica 'Cecil-Alice' 10
Aucuba japonica (Chicory form) 3
Aucuba japonica 'Cho Dai Ji' 8
Aucuba japonica 'Clent Wortley Hall' 1
Aucuba japonica (contorted variegated) 21
Aucuba japonica (cream-white, contorted) 11
Aucuba japonica 'Crotonifolia' 10
Aucuba japonica 'Daisuke's Tiger' 9
Aucuba japonica 'Daruma-no-shima' 2
Aucuba japonica 'Eclipse' 8
Aucuba japonica (ex. USNA No. 5 - female) 3
Aucuba japonica 'February Star' 3
Aucuba japonica 'Fructu Albo' 1
Aucuba japonica 'Fujikawa' 6
Aucuba japonica 'Ginsu' 1
Aucuba japonica 'Gold Dust' 1
Aucuba japonica (gold sectored) 4
Aucuba japonica (gold spot flushing) 3
Aucuba japonica 'Golden Girl' 2
Aucuba japonica 'Golden King' 8
Aucuba japonica 'Goldieana' 1
Aucuba japonica 'Goldilocks' 4
Aucuba japonica 'Hakuryu' 1
Aucuba japonica (Hamilton huge leaf) 1
Aucuba japonica 'Hime Kikufurin' 7
Aucuba japonica 'Hosoba Hoshifu' 9
Aucuba japonica 'Kameba' 5
Aucuba japonica 'Katoaba' 1
Aucuba japonica 'Ki Mi' 11
Aucuba japonica 'Koshiji Nishiki' 4
Aucuba japonica 'Lancifolia' 2
Aucuba japonica (large teeth) 2
Aucuba japonica 'Latiomaculata' 1
Aucuba japonica 'Leucocarpa' 4
Aucuba japonica 'Limbata' 12
Aucuba japonica 'Limbata' 3
Aucuba japonica 'Linda Eggins' 12
Aucuba japonica 'Little Angel' 10
Aucuba japonica f. longifolia 7
Aucuba japonica f. longifolia 'Lance Leaf' 1
Aucuba japonica 'Maruba Tensei' 1
Aucuba japonica 'Meigetsu' 15
Aucuba japonica 'Mellow Mushroom' 2
Aucuba japonica 'Mr. Wonderful' 10
Aucuba japonica 'Nana Rotundifolia' 1
Aucuba japonica 'Natsu-no-kumo' 17
Aucuba japonica 'Ōba Nakafu' 12
Aucuba japonica 'Pacman' 3
Aucuba japonica (Paul James seedling No. 6) 3
Aucuba japonica 'Peachie' 7
Aucuba japonica 'Petite Jade' 5
Aucuba japonica 'Picturata' 1
Aucuba japonica 'Pink Champagne' 1
Aucuba japonica 'Rozannie' 2
Aucuba japonica 'Rozannie' 1
Aucuba japonica 'Sagama' 1
Aucuba japonica (serrate, mottled leaf) 1
Aucuba japonica 'Shilpot' 8
Aucuba japonica 'Shugetsu' 4
Aucuba japonica 'Speckles' 6
Aucuba japonica 'Subaru' 6
Aucuba japonica 'Suruga Benten' 15
Aucuba japonica 'Tatsumaki' 14
Aucuba japonica (thin white margin) 12
Aucuba japonica 'Torafu' 1
Aucuba japonica (Tyuetso dwarf mottled) 9
Aucuba japonica (USNA No. 3 - female) 5
Aucuba japonica (USNA No. 5 - female) 3
Aucuba japonica 'Viridis' 5
Aucuba japonica 'Yahiko Nishiki' 2
Aucuba japonica (yellow fruit) 2
Aucuba japonica (yellow stem, gold flush) 1
Aucuba obcordata 14
Aucuba omeiensis 16
Aucuba (sp. 1) 4
Aucuba (sp. 2) 3
Aucuba (sp. 3) 1
Aurinia 7
Aurinia saxatilis 11
Aurinia saxatilis 'Variegata' 1
Austrocactus aff. philippii 3
Austrocedrus chilensis 11
Averrhoa bilimbi 1
Averrhoa carambola 1
Azara 8
Azara dentata 11
Azara integrifolia 4
Azara microphylla 2
Azara microphylla 'Variegata' 5
Azorella 1
Azorella filamentosa 1
Azorella trifurcata 7
Babiana 6
Baccharis 5
Baccharis angustifolia 1
Baccharis halimifolia 8
Baccharis pilularis 3
Bactris gasipaes 2
Bahia absinthifolia 2
Bahia ambrosioides 2
Bahia dissecta 2
Baileya multiradiata 1
Balanophora 1
Balantium antarcticum 8
Ballota acetabulosa 1
Ballota pseudodictamnus 7
Balsamorhiza 1
Balsamorhiza macrolepis 6
Balsamorhiza sagittata 7
Bambusa 3
Bambusa malingensis 1
Bambusa multiplex 'Alphonse Karr' 3
Bambusa multiplex 'Fernleaf' 5
Bambusa multiplex 'Green Giant' 13
Bambusa multiplex 'Riviereorum' 3
Bambusa multiplex 'Tiny Fern' 2
Bambusa multiplex 'Wang Tsai' 1
Bambusa oldhamii 4
Bambusa textilis 'Kanapaha' 8
Bambusa tuldoides 2
Bambusa vulgaris 'Vittata' 4
Banksia 5
Banksia 'Giant Candles' 4
Banksia integrifolia 8
Banksia integrifolia 'Rollercoaster' 2
Banksia praemorsa 1
Banksia prionotes 1
Baptisia 109
Baptisia alba 3
Baptisia alba var. alba 4
Baptisia alba var. alba Pendula Group 27
Baptisia alba × B. australis 9
Baptisia albescens 2
Baptisia arachnifera 12
Baptisia arachnifera × B. simplicifolia 5
Baptisia australis 9
Baptisia australis (cream mottled) 1
Baptisia ×bicolor 'Starlite' 3
Baptisia 'Blueberry Sundae' 14
Baptisia bracteata 1
Baptisia 'Brownie Points' 1
Baptisia 'Carolina Moonlight' 1
Baptisia 'Cherries Jubilee' 14
Baptisia 'Chocolate Chip' 2
Baptisia cinerea 6
Baptisia 'Dutch Chocolate' 5
Baptisia (lavender) 10
Baptisia 'Lemon Meringue' 5
Baptisia megacarpa 5
Baptisia minor var. minor 5
Baptisia nuttalliana 8
Baptisia (pale pink) 30
Baptisia perfoliata 2
Baptisia perfoliata × B. tinctoria 4
Baptisia 'Pink Truffles' 6
Baptisia 'Purple Smoke' 27
Baptisia 'Royal Candles' 5
Baptisia 'Royal Candles' 0
Baptisia 'Royal Purple' 1
Baptisia simplicifolia 13
Baptisia 'Sparkling Sapphires' 1
Baptisia sphaerocarpa 17
Baptisia sphaerocarpa 'Screamin' Yellow' 20
Baptisia sulphurea 8
Baptisia 'Vanilla Cream' 4
Baptisia ×variicolor 'Twilite' 3
Baptisia viridis 2
Barbarea vulgaris 1
Barleria obtusa 4
Barthea barthei 2
Basella alba 1
Bauera rubioides 'Ruby Glow' 2
Bauhinia 11
Bauhinia bartlettii 1
Bauhinia blakeana 14
Bauhinia brachycarpa 1
Bauhinia corymbosa 1
Bauhinia forficata 22
Bauhinia galpinii 1
Bauhinia purpurea 2
Bauhinia tomentosa 6
Bauhinia variegata 4
Bauhinia yunnanensis 4
Beaucarnea recurvata 7
Beaumontia grandiflora 2
Beesia calthifolia 11
Beesia deltophylla 4
Begonia 78
Begonia acutifolia 2
Begonia ×benariensis 8
Begonia ×benariensis 15
Begonia ×benariensis 4
Begonia ×benariensis 10
Begonia ×benariensis 3
Begonia ×benariensis 17
Begonia ×benariensis 6
Begonia ×benariensis 1
Begonia ×benariensis 2
Begonia ×benariensis 8
Begonia ×benariensis 6
Begonia ×benariensis 6
Begonia ×benariensis 7
Begonia ×benariensis 6
Begonia ×benariensis 4
Begonia 'Bepapink' 4
Begonia 'Bepared' 1
Begonia 1
Begonia bipinnatifida 1
Begonia 'Black Velvet' 1
Begonia boliviensis 11
Begonia boliviensis 'Bertini' 5
Begonia boliviensis 'Santa Cruz Sunset' 22
Begonia boliviensis 'Yabon' 2
Begonia boliviensis 'Yachbon' 2
Begonia boliviensis 'Yadev' 2
Begonia boliviensis 'Yamance' 5
Begonia 'Brothglow' 2
Begonia 'Canary Wing' 4
Begonia 'Chandler's Hardy' 5
Begonia chitoensis 18
Begonia ×chungii (DJHT 99168) 3
Begonia coccinea 'Sinbad' 1
Begonia 'Cotes de Castillon' 9
Begonia cucullata 5
Begonia diadema 1
Begonia (DJHT 99167) 1
Begonia aff. edulis 2
Begonia emeiensis 6
Begonia emeiensis (DJHC 98479) 4
Begonia 'Escargot' 2
Begonia 'First Blush' 2
Begonia foliosa var. miniata 2
Begonia formosana 9
Begonia 'Funky Pink' 3
Begonia 'Garden Angel Blush' 4
Begonia 'Gertrude Thompson' 2
Begonia grandis 21
Begonia grandis subsp. evansiana 3
Begonia grandis 'Heron's Pirouette' 1
Begonia grandis 'Pink Teardrops' 15
Begonia grandis subsp. sinensis 4
Begonia 'Gryphon' 1
Begonia henryi 5
Begonia henryi (T116/03) 1
Begonia heracleifolia 2
Begonia heracleifolia var. nigricans 7
Begonia Hiemalis Group 2
Begonia hirtella 2
Begonia 'Kaylen' 13
Begonia 'Little Brother Montgomery' 5
Begonia luxurians 4
Begonia maculata 1
Begonia manicata 'Crispa' 3
Begonia masoniana 2
Begonia 'Metalic Mist' 5
Begonia nelumbiifolia 3
Begonia 'Painter's Palette' 3
Begonia paleata 1
Begonia aff. palmata 8
Begonia 'Pas1085218' 3
Begonia 'Pas1085222' 5
Begonia 'Pas1202203' 10
Begonia 'Pas1227534' 7
Begonia 'Passing Storm' 2
Begonia pedatifida 7
Begonia aff. pedatifida 2
Begonia pedatifida (red stem form) 1
Begonia 'Pewterware' 8
Begonia 'Psa1279355' 7
Begonia 'Psa1279357' 10
Begonia 'Red China' 2
Begonia 'Red Empress' 7
Begonia 'Richmondensis' 1
Begonia ×ricinifolia 2
Begonia 'River Nile' 2
Begonia Semperflorens-cultorum Group 94
Begonia [Semperflorens-cultorum Group] 'Barbara Rogers' 11
Begonia Semperflorens-cultorum Group (hardy white) 3
Begonia Semperflorens-cultorum Group 6
Begonia silletensis 2
Begonia 'Silver Splendor' 12
Begonia 1
Begonia sutherlandii 1
Begonia sutherlandii 'Aurea' 1
Begonia ×taipeiensis 5
Begonia aff. taipeiensis 2
Begonia taiwaniana 2
Begonia taiwaniana f. albomaculata 1
Begonia taliensis 3
Begonia taliensis (Heronwood best form) 2
Begonia 'TNBEGDHC' 3
Begonia 'TNBEGDY' 2
Begonia ×tuberhybrida 39
Begonia ×tuberhybrida 'Pin Up' 3
Begonia ×tuberhybrida 'Pin Up Flame' 2
Begonia urophylla 3
Begonia 1
Begonia 'Withlacoochee' 1
Begonia xanthina 1
Belamcanda chinensis 35
Belamcanda chinensis 'Hello Yellow' 14
Bellevalia paradoxa 15
Bellis perennis 6
Bellium minutum 2
Berberidopsis corallina 3
Berberis 45
Berberis aggregata 1
Berberis aristata 5
Berberis ×bristolensis 1
Berberis buxifolia 2
Berberis buxifolia 'Pygmaea' 2
Berberis ×carminea 'Pirate King' 1
Berberis chinensis 6
Berberis coxii 1
Berberis darwinii 9
Berberis ×frikartii 'Amstelveen' 2
Berberis gagnepainii 4
Berberis gilgiana 6
Berberis ×gladwynensis 'William Penn' 11
Berberis gyalaica 6
Berberis hayatana 2
Berberis henryana 6
Berberis hybrid 6
Berberis insignis 1
Berberis jamesiana 5
Berberis julianae 5
Berberis julianae 'Spring Glory' 13
Berberis koreana 4
Berberis koreana 'Red Tears' 3
Berberis lempergiana 21
Berberis ×lologensis 2
Berberis ×lologensis 'Apricot Queen' 2
Berberis lycium 7
Berberis ×media 'Parkjuweel' 3
Berberis ×media 'Red Jewel' 6
Berberis nummularia 2
Berberis ×ottawensis 'Concorde' 9
Berberis ×ottawensis 'Crimson Velvet' 4
Berberis ×ottawensis 'Silver Miles' 11
Berberis replicata 21
Berberis ×rubrostilla 1
Berberis sanguinea 7
Berberis ×stenophylla 1
Berberis ×stenophylla 'Corallina' 3
Berberis ×stenophylla 'Irwinii' 2
Berberis swaseyi 5
Berberis 'Tara' 4
Berberis thunbergii 5
Berberis thunbergii var. atropurpurea 9
Berberis thunbergii var. atropurpurea 'Admiration' 6
Berberis thunbergii var. atropurpurea 'Bagatelle' 5
Berberis thunbergii var. atropurpurea 'Bailone' 5
Berberis thunbergii var. atropurpurea 'Bailtwo' 1
Berberis thunbergii var. atropurpurea 'Concorde' 1
Berberis thunbergii var. atropurpurea 'Crimson Giant' 3
Berberis thunbergii var. atropurpurea 'Golden Ring' 19
Berberis thunbergii var. atropurpurea 'Helmond Pillar' 7
Berberis thunbergii var. atropurpurea 'Marshall's Upright' 2
Berberis thunbergii 'Atropurpurea Nana' 1
Berberis thunbergii var. atropurpurea 'Red Rocket' 10
Berberis thunbergii var. atropurpurea 'Rose Glow' 1
Berberis thunbergii 'Aurea' 6
Berberis thunbergii 'Aurea Nana' 8
Berberis thunbergii 'Bogozam' 8
Berberis thunbergii 'Daybreak' 2
Berberis thunbergii 'Goruzam' 4
Berberis thunbergii 'Kelleriis' 14
Berberis thunbergii 'Lime Glow' 4
Berberis thunbergii 'Orange Rocket' 1
Berberis thunbergii 'Pow-wow' 1
Berberis thunbergii 'Sparkle' 6
Berberis thunbergii 'Talago' 7
Berberis valdiviana 4
Berberis wilsoniae 7
Berberis wilsoniae 'Ace' 5
Berberis wilsoniae var. stapfiana 3
Berberis ×wisleyensis 6
Berchemia 3
Berchemia floribunda 3
Berchemia japonica 3
Berchemia racemosa 3
Berchemia racemosa 'Variegata' 3
Berchemia racemosa (variegated) 1
Bergenia 7
Bergenia 'Apple Blossom' 2
Bergenia ciliata 7
Bergenia cordifolia 12
Bergenia cordifolia 'Tubby Andrews' 2
Bergenia 'Morgenröte' 6
Bergenia 'Sakura' 7
Bergenia 'Tubby Andrews' 1
Bergeranthus glenensis 1
Bergeranthus jamesii 2
Bergeranthus katsburgensis 9
Bergeranthus katsburgensis 'Cathcart' 1
Bergeranthus vespertinus 2
Berkheya cirsiifolia 2
Berkheya purpurea 3
Berkheya purpurea 'Zulu Warrior' 9
Berlandiera lyrata 9
Berlandiera pumila 12
Berlandiera subacaulis 55
Bertholletia excelsa 2
Berzelia lanuginosa 2
Beschorneria 8
Beschorneria albiflora 5
Beschorneria (B. dekosteriana × B. septentrionalis) × B. septentrionalis 23
Beschorneria septentrionalis 38
Beschorneria septentrionalis 'John Fairey' 2
Beschorneria tubiflora 5
Beschorneria yuccoides 75
Beschorneria yuccoides 'Reality' 1
Bessera elegans 3
Beta vulgaris 17
Beta vulgaris var. cicla 'Bright Lights' 3
Betula 57
Betula albosinensis 3
Betula albosinensis var. septentrionalis 6
Betula alleghaniensis 9
Betula apoiensis 4
Betula costata 3
Betula ermanii 7
Betula 'Fetisowii' 1
Betula kusmisscheffii 6
Betula lenta 2
Betula medwedewii 2
Betula nana 7
Betula nigra 26
Betula nigra 'Heritage' 11
Betula nigra 'Improved Heritage' 3
Betula nigra 'Little King' 12
Betula nigra 'Shiloh Splash' 4
Betula nigra 'Studetec' 10
Betula nigra 'Summer Cascade' 17
Betula nigra 'Whitt XXV' 4
Betula occidentalis 5
Betula papyrifera 10
Betula pendula 16
Betula pendula 'Dalecarlica' 2
Betula pendula 'Purpurea' 2
Betula pendula 'Tristis' 2
Betula pendula 'Trost's Dwarf' 2
Betula pendula 'Youngii' 8
Betula platyphylla 1
Betula platyphylla var. japonica 2
Betula platyphylla var. japonica 'Whitespire' 3
Betula populifolia 1
Betula pubescens 2
Betula uber 1
Betula utilis 4
Betula utilis (dwarf form) 1
Betula utilis var. jacquemontii 13
Betula utilis var. jacquemontii 'Grayswood Ghost' 6
Betula utilis var. jacquemontii 'Kashmir White' 8
Biarum tenuifolium 3
Bidens 8
Bidens ferulifolia 'Bidy Gonzales' 2
Bidens ferulifolia 'Sunbeam' 2
Bidens pilosa 1
Bigelowia nudata subsp. nudata 1
Bignonia capreolata 25
Bignonia capreolata 'Atrosanguinea' 7
Bignonia capreolata 'Helen Fredel' 4
Bignonia capreolata 'Jekyll' 51
Bignonia capreolata 'Tangerine Beauty' 5
Billardiera heterophylla 2
Billardiera heterophylla 'Pink Charmer' 1
Billardiera longiflora 5
Bischofia polycarpa 2
Bismarckia nobilis 7
Bixa orellana 9
Blechnum chambersii 1
Blechnum chilense 3
Blechnum cycadifolium 0
Blechnum discolor 1
Blechnum durum 1
Blechnum filiforme 2
Blechnum fluviatile 1
Blechnum gibbum 3
Blechnum cf. minus 2
Blechnum novae-zelandiae 1
Blechnum penna-marina 6
Blechnum penna-marina (Falkland Island form) 1
Blechnum spicant 9
Blepharipappus scaber 6
Blepharoneuron tricholepis 1
Blephilia ciliata 1
Bletilla 1
Bletilla ochracea 6
Bletilla ochracea 'Chinese Butterfly' 10
Bletilla striata 41
Bletilla striata 'Alba' 11
Bletilla striata 'Albostriata' 7
Bletilla striata 'Big Bob' 2
Bletilla striata 'First Kiss' 3
Bletilla striata 'Gotemba Stripes' 6
Bletilla striata 'Ogon' 14
Bletilla striata 'Tri-Lips' 1
Bletilla striata 'Variegata' 1
Bletilla Yokohama gx 'Sweet Lips' 14
Bocconia arborea 3
Boechera cusickii 2
Boehmeria biloba 1
Boehmeria japonica var. tenera 'Chantilly' 2
Boehmeria nipononivea 'Glow Light' 3
Boehmeria nipononivea 'Kogane Mushi' 4
Boehmeria nivea 2
Boehmeria nivea (gold margin) 3
Boehmeria nivea var. tenacissima 2
Boehmeria platanifolia 6
Boehmeria tricuspis 3
Boesenbergia longiflora 2
Boltonia 2
Boltonia asteroides 'Snowbank' 1
Bomarea 30
Bomarea edulis 5
Bomarea multiflora 1
Bombax ceiba 5
Bommeria hispida 1
Borago officinalis 3
Borassus flabellifer 4
Boronia denticulata 1
Boronia heterophylla 4
Borrichia arborescens 3
Botrychium 3
Botrychium virginianum 4
Bougainvillea 24
Bougainvillea arborea 2
Bougainvillea glabra 4
Bougainvillea 'Hawaii' 1
Bouteloua 8
Bouteloua gracilis 4
Bouteloua gracilis 'Blonde Ambition' 12
Bouvardia 1
Bouvardia ternifolia 5
Bouvardia ternifolia 'Scarlet Hummer' 3
Bowiea volubilis 1
Boykinia occidentalis 4
Brachychiton acerifolius 3
Brachychiton bidwillii 2
Brachychiton discolor 1
Brachyglottis 3
Brachyglottis compacta 4
Brachyglottis [Dunedin Group] 'Crustii' 1
Brachyglottis elaeagnifolia 'Joseph Armstrong' 1
Brachyglottis greyi 2
Brachyglottis greyi 'Sunshine' 2
Brachyglottis laxifolia 5
Brachyglottis repanda 8
Brachyglottis repanda 'Purpurea' 3
Brachyscome multifida 1
Brahea aculeata 1
Brahea armata 9
Brahea brandegeei 1
Brahea calcarea 3
Brahea edulis 3
Brahea moorei 3
Brasenia schreberi 5
Brassaiopsis fatsioides 1
Brassaiopsis mitis 1
Brassia 1
Brassica 21
Brassica juncea 2
Brassica juncea 'Red Giant' 1
Brassica oleracea 97
Brassica oleracea var. acephala 'Nagoya Red' 2
Brassica oleracea var. acephala 'Peacock Red' 2
Brassica oleracea var. botrytis 3
Brassica oleracea var. italica 2
Brassica oleracea 'Red Bor' 3
Brassica oleracea 'Winterbor' 5
Brassica rapa var. chinensis 'Joi Choi' 1
×Brassolaelia 'Yellow Bird' 1
Bretschneidera sinensis 1
Breynia disticha 4
Briggsia chienii 10
Briggsia longipes 8
Brillantaisia subulugurica 2
Briza media 6
Briza minor 1
Brodiaea 3
Brodiaea coronaria 2
Broussonetia kazinoki 4
Broussonetia papyrifera 1
Broussonetia papyrifera 'Golden Shadow' 8
Browallia 3
Browallia 'Mary Blue' 2
Browallia speciosa 2
Brugmansia 16
Brugmansia arborea 2
Brugmansia 'Betty Marshall' 3
Brugmansia 'Charles Grimaldi' 1
Brugmansia 'Inca Sun' 33
Brugmansia ×insignis 1
Brugmansia 'Jamaican Yellow' 2
Brugmansia 'Peaches & Cream' 1
Brugmansia sanguinea 6
Brugmansia suaveolens 3
Brugmansia suaveolens 'Little Angel' 2
Brugmansia 'Sunset' 1
Brunfelsia grandiflora 4
Brunfelsia pauciflora 1
Brunnera macrophylla 11
Brunnera macrophylla 'Alexander's Great' 4
Brunnera macrophylla 'Emerald Mist' 4
Brunnera macrophylla 'Hadspen Cream' 1
Brunnera macrophylla 'Jack Frost' 13
Brunnera macrophylla 'King's Ransom' 6
Brunnera macrophylla 'Langtrees' 1
Brunnera macrophylla 'Looking Glass' 1
Brunnera macrophylla 'Silver Heart' 3
Buchnera americana 6
Buckleya lanceolata 4
Buddleja 40
Buddleja alternifolia 3
Buddleja asiatica 6
Buddleja 'Balchryeel' 1
Buddleja 'Balchryink' 1
Buddleja 'Blizzard' 2
Buddleja 'Blue Chip Jr' 5
Buddleja 'Blue Chip' 84
Buddleja 'Boscranz' 13
Buddleja 'Butterfly Gold' 11
Buddleja colvilei 8
Buddleja cordata 23
Buddleja crispa 6
Buddleja davidii 14
Buddleja davidii 'Attraction' 3
Buddleja davidii 'Black Knight' 3
Buddleja davidii 'Bonnie' 2
Buddleja davidii 'Dartmoor' 3
Buddleja davidii 'Dubonnet' 1
Buddleja davidii 'Evil Ways' 16
Buddleja davidii 'Fascination' 1
Buddleja davidii 'Harlequin' 5
Buddleja davidii 'Minpap 3' 1
Buddleja davidii 'Nanho Blue' 1
Buddleja davidii 'Nanho Purple' 1
Buddleja davidii 'Opera' 9
Buddleja davidii 'Pink Beauty' 3
Buddleja davidii 'Potter's Purple' 13
Buddleja davidii 'Red Plume' 8
Buddleja davidii 'Royal Red' 1
Buddleja davidii 'Santana' 8
Buddleja davidii 'SMNBDPT' 1
Buddleja davidii 'White Ball' 4
Buddleja davidii 'White Bouquet' 1
Buddleja davidii 'White Profusion' 2
Buddleja 'Ellen's Blue' 4
Buddleja fallowiana var. alba 3
Buddleja forrestii 6
Buddleja globosa 13
Buddleja 'Ilv Oargus 2' 8
Buddleja japonica 1
Buddleja 'Lilac Chip Jr' 6
Buddleja 'Lilac Chip' 8
Buddleja lindleyana 24
Buddleja 'Little Angel' 2
Buddleja 'Lochinch' 4
Buddleja loricata 10
Buddleja marrubiifolia 19
Buddleja 'Miss Molly' 21
Buddleja 'Miss Ruby' 24
Buddleja 'Morning Mist' 36
Buddleja 'Pink Delight' 4
Buddleja 'Pink Micro Chip' 11
Buddleja 'Podaras #13' 5
Buddleja 'Podaras #8' 3
Buddleja 'Purple Haze' 4
Buddleja salviifolia 6
Buddleja 'SMNBDB' 1
Buddleja 'Summer Frost' 15
Buddleja 'Summer Skies' 2
Buddleja 'Vashon Skies' 1
Buddleja 'Violet Eyes' 8
Buddleja ×wardii 4
Buddleja ×weyeriana 'Honeycomb' 3
Buddleja ×weyeriana 'Sungold' 2
Bukiniczia cabulica 8
Bulbine 6
Bulbine abyssinica 13
Bulbine frutescens 4
Bulbine fruticosa (orange compact) 1
Bulbine narcissifolia 6
Bulbinella hookeri 5
Bupleurum fruticosum 6
Burbidgea schizocheila 3
Bursera simaruba 2
Butia capitata 32
Butia capitata × Syagrus romanzoffiana 1
Butia catarinensis 1
Butia eriospatha 1
Butia yatay 4
×Butiagrus nabonnandii 2
Buxus 81
Buxus balearica 3
Buxus bodinieri 7
Buxus 'Conrowe' 5
Buxus 'Glencoe' 2
Buxus 'Green Mound' 2
Buxus 'Green Mountain' 3
Buxus 'Green Velvet' 2
Buxus harlandii 19
Buxus harlandii 'Goliath' 3
Buxus henryi 19
Buxus 'Little Missy' 3
Buxus microphylla 2
Buxus microphylla 'Compacta' 9
Buxus microphylla 'Compacta' 1
Buxus microphylla 'Curly Locks' 4
Buxus microphylla 'Franklin's Gem' 3
Buxus microphylla 'Grace Hendrick Phillips' 3
Buxus microphylla 'Green Pillow' 3
Buxus microphylla 'Gregem' 1
Buxus microphylla 'Helen Whiting' 3
Buxus microphylla var. japonica 6
Buxus microphylla var. japonica 'Borderline' 3
Buxus microphylla var. japonica 'Green Beauty' 3
Buxus microphylla var. japonica 'Grejade' 4
Buxus microphylla var. japonica 'Jim Stauffer' 1
Buxus microphylla var. japonica 'Morris Dwarf' 4
Buxus microphylla var. japonica 'Morris Midget' 1
Buxus microphylla var. japonica 'Unraveled' 14
Buxus microphylla 'John Baldwin' 5
Buxus microphylla 'Miss Jones' 1
Buxus microphylla 'Peergold' 3
Buxus microphylla var. riparia 8
Buxus microphylla 'Sunnyside' 1
Buxus rugulosa var. prostrata 1
Buxus sempervirens 43
Buxus sempervirens 'Agram' 2
Buxus sempervirens 'Angel's Gift' 4
Buxus sempervirens 'Angustifolia' 3
Buxus sempervirens 'Arctic Emerald' 2
Buxus sempervirens 'Argenteovariegata' 5
Buxus sempervirens 'Aristocrat' 2
Buxus sempervirens 'Aurea Pendula' 2
Buxus sempervirens 'Aureovariegata' 10
Buxus sempervirens 'Belleville' 4
Buxus sempervirens 'Berlin' 3
Buxus sempervirens 'Bullata' 2
Buxus sempervirens 'Butterworth' 3
Buxus sempervirens 'Decussata' 1
Buxus sempervirens 'Dee Runk' 4
Buxus sempervirens 'Edgar Anderson' 3
Buxus sempervirens 'Elegantissima' 17
Buxus sempervirens 'Emerald Gumdrop' 1
Buxus sempervirens 'Fastigiata' 4
Buxus sempervirens 'Graham Blandy' 3
Buxus sempervirens 'Handsworthii' 3
Buxus sempervirens 'Henry Shaw' 4
Buxus sempervirens 'Highlander' 2
Buxus sempervirens 'Inglis' 2
Buxus sempervirens 'Jensen' 1
Buxus sempervirens 'Latifolia Macrophylla' 2
Buxus sempervirens 'Latifolia Maculata' 1
Buxus sempervirens 'Latifolia Marginata' 1
Buxus sempervirens 'Marginata' 5
Buxus sempervirens 'Memorial' 2
Buxus sempervirens 'Myosotidifolia' 3
Buxus sempervirens 'Myrtifolia' 3
Buxus sempervirens 'Northland' 4
Buxus sempervirens 'Pendula' 5
Buxus sempervirens 'Ponteyi' 2
Buxus sempervirens 'Pullman' 2
Buxus sempervirens 'Pyramidalis' 5
Buxus sempervirens 'Rosmarinifolius' 7
Buxus sempervirens 'Rotundifolia' 5
Buxus sempervirens 'Salicifolia' 2
Buxus sempervirens 'Salicifolia Elata' 1
Buxus sempervirens 'Ste. Geneve' 1
Buxus sempervirens 'Suffruticosa' 7
Buxus sempervirens 'Valentines' 4
Buxus sempervirens 'Vardar Valley' 12
Buxus sempervirens 'Welleri' 7
Buxus sempervirens 'Woodland' 3
Buxus sinica 8
Buxus sinica var. insularis 8
Buxus sinica var. insularis 'Justin Brouwers' 7
Buxus sinica var. insularis 'Nana' 3
Buxus sinica var. insularis 'Pincushion' 3
Buxus sinica var. insularis (spreading dwarf) 8
Buxus sinica var. insularis 'Sunburst' 7
Buxus sinica var. insularis 'Tall Boy' 2
Buxus sinica var. insularis 'Tide Hill' 4
Buxus sinica var. insularis 'Wintergreen' 6
Buxus sinica 'Kinsha' 4
Buxus wallichiana 11
Caesalpinia 6
Caesalpinia gilliesii 21
Caesalpinia pulcherrima 6
Caladium 58
Caladium 'Aaron' 1
Caladium bicolor 1
Caladium 'Cherry Tart' 4
Caladium 'Yellow Blossom' 1
Calamagrostis ×acutiflora 'Avalanche' 5
Calamagrostis ×acutiflora 'Karl Foerster' 2
Calamagrostis ×acutiflora 'Overdam' 1
Calamagrostis brachytricha 11
Calamintha 4
Calanthe 10
Calanthe argenteostriata 4
Calanthe discolor 2
Calanthe discolor 'Snowcrest' 3
Calanthe reflexa 7
Calanthe sieboldii 6
Calanthe speciosa 4
Calathea 5
Calathea warscewiczii 4
Calathea zebrina 2
Calceolaria 16
Calceolaria integrifolia 3
Calceolaria thyrsiflora 3
Calendula 14
Calendula 'Kercaldivimp' 4
Calia 1
Calia arizonica 8
Calia secundiflora 15
Calia secundiflora 'Silver Peso' 18
Calibanus hookeri 2
Calibrachoa 3
Calibrachoa 2
Calibrachoa 'Balcabhopi' 1
Calibrachoa 'Balcaborim' 2
Calibrachoa 'Balumotink' 1
Calibrachoa 'Cal Britreeda' 11
Calibrachoa 'Cal Pur' 6
Calibrachoa 'Cal Scare08' 3
Calibrachoa 'Cal Whit09' 1
Calibrachoa 'Crave Strawberry Star' 17
Calibrachoa 'Kleca14275' 7
Calibrachoa 'Kleca16006' 5
Calibrachoa 'Kleca16017' 7
Calibrachoa 'Kleca1614' 9
Calibrachoa 'Kleca16314' 7
Calibrachoa 'Kleca16334' 8
Calibrachoa 'Kleca16346' 6
Calibrachoa 'Sunbelkist' 2
Calibrachoa 3
Calibrachoa 4
Calibrachoa 2
Calibrachoa 9
Calibrachoa 'Uscal08501' 4
Calibrachoa 'Uscal66501' 4
Calibrachoa 'Uscal91001' 4
Calibrachoa 'USCALI11' 1
Calibrachoa 'Uscali411-7' 1
Calibrachoa 'Uscali53M' 3
Calibrachoa 'Wescachadpiyecheba' 4
Calliandra 8
Calliandra haematocephla 8
Calliandra haematocephla 'Nana' 2
Calliandra tergemina var. emarginata 3
Callicarpa 48
Callicarpa '05-132' 2
Callicarpa (2008 A) 10
Callicarpa (2008 B) 5
Callicarpa (2008 C) 4
Callicarpa (2009) 5
Callicarpa (2010 C) 2
Callicarpa (2011 B) 3
Callicarpa (2011 D) 2
Callicarpa (2011 E) 2
Callicarpa (2011 F) 4
Callicarpa (2011 I) 6
Callicarpa (2011 J) 5
Callicarpa (2011 L) 3
Callicarpa (2011 N) 8
Callicarpa acuminata 64
Callicarpa americana 17
Callicarpa americana 'Berries and Cream' 21
Callicarpa americana 'Buddy's Dwarf' 1
Callicarpa americana var. lactea 6
Callicarpa americana 'Welch's Pink' 17
Callicarpa bodinieri 2
Callicarpa bodinieri var. giraldii 2
Callicarpa bodinieri var. giraldii 'Profusion' 7
Callicarpa brevipes 3
Callicarpa 'Cardinal' 9
Callicarpa cathayana 6
Callicarpa dichotoma 8
Callicarpa dichotoma f. albifructa 11
Callicarpa dichotoma 'Duet' 11
Callicarpa dichotoma 'Issai' 13
Callicarpa dichotoma 'Splashy' 2
Callicarpa dichotoma 'Spring Gold' 3
Callicarpa dichotoma (variegated) 5
Callicarpa formosana 7
Callicarpa giraldii 2
Callicarpa japonica 8
Callicarpa japonica 'Heavy Berry' 10
Callicarpa japonica 'Inagali' 4
Callicarpa japonica 'Leucocarpa' 6
Callicarpa japonica var. luxurians 6
Callicarpa japonica 'Shiji Murasaki' 13
Callicarpa kochiana 'Yamaguchi Variegated' 1
Callicarpa kwangtungensis 11
Callicarpa aff. luteopunctata (white fruited) 1
Callicarpa macrophylla 4
Callicarpa 'NCCX1' 7
Callicarpa 'Nccx2' 1
Callicarpa oshimensis 19
Callicarpa rubella 1
Callicarpa shikokiana 5
Callicarpa tosaensis 11
Callicarpa 'Virginia' 3
Callirhoe alcaeoides 'Logan Calhoun' 4
Callirhoe bushii 5
Callirhoe digitata 1
Callirhoe involucrata 41
Callirhoe involucrata var. tenuissima 15
Callirhoe papaver 1
Callistemon 8
Callistemon brachyandrus 9
Callistemon citrinus 8
Callistemon linearis 4
Callistemon pinifolius 3
Callistemon rigidus 2
Callistemon rigidus 'Clemson Hardy' 2
Callistemon salignus 2
Callistemon sieberi 2
Callistemon subulatus 2
Callistemon viminalis 5
Callistemon viminalis 'Little John' 1
Callistemon viridiflorus 6
Callistemon 'Woodlander's Hardy' 1
Callistemon 'Woodlander's Red' 21
Callistephus chinensis 9
Callitris oblonga 4
Callitris rhomboidea 2
Calluna 46
Calluna vulgaris 24
Calluna vulgaris 'Arina' 2
Calluna vulgaris 'Aurea' 1
Calluna vulgaris 'Dark Star' 2
Calluna vulgaris 'David Eason' 1
Calluna vulgaris 'Gold Haze' 1
Calluna vulgaris 'Golden Carpet' 15
Calluna vulgaris 'H. E. Beale' 1
Calluna vulgaris 'Mousehole' 1
Calluna vulgaris 'Peter Sparkes' 2
Calluna vulgaris 'Schurig's Sensation' 1
Calluna vulgaris 'Silver Knight' 2
Calluna vulgaris 'White Lawn' 5
Calocedrus 1
Calocedrus decurrens 18
Calocedrus decurrens 'Aureovariegata' 5
Calocedrus decurrens 'Berrima Gold' 7
Calocedrus formosana 6
Calocedrus macrolepis var. macrolepis 3
Calocedrus rupestris 2
Calochortus 15
Calochortus albus 1
Calochortus amabilis 1
Calochortus 'Cupido' 11
Calochortus gunnisonii 21
Calochortus kennedyi 5
Calochortus luteus 'Golden Orb' 12
Calochortus superbus 13
Calochortus tolmiei 8
Calochortus venustus 16
Calopogon tuberosus 22
Calopsis paniculata 3
Calothamnus quadrifidus 4
Calpurnia aurea 2
Caltha leptosepala 24
Caltha palustris 17
Caltha palustris var. orientali-sinensis 1
Calycanthus 'Aphrodite' 12
Calycanthus chinensis 63
Calycanthus floridus 16
Calycanthus floridus 'Athens' 15
Calycanthus floridus 'Edith Wilder' 2
Calycanthus floridus (Georgia giant) 6
Calycanthus floridus var. glaucus 7
Calycanthus floridus var. glaucus 'Burgundy Spice' 5
Calycanthus floridus var. glaucus 'Purpureus' 7
Calycanthus floridus 'Michael Lindsay' 4
Calycanthus occidentalis 12
Calycanthus ×raulstonii 2
Calycanthus ×raulstonii 'Hartlage Wine' 30
Calycanthus 'Venus' 55
Calydorea coelestina 4
Calylophus 4
Calylophus drummondianus (Dodd form) 2
Calylophus hartwegii 2
Calylophus hartwegii var. lavandulaefolius 12
Calylophus serulata 7
Calylophus serulata 'Sun Spots' 1
Calylophus 'Sunglow' 1
Calystegia atriplicifolia 9
Calystegia soldanella 4
Camassia 4
Camassia 'Blue Candle' 5
Camassia cusickii 17
Camassia leichtlinii 2
Camassia leichtlinii 'Alba' 16
Camassia leichtlinii 'Sacajawea' 1
Camassia leichtlinii 'Semiplena' 13
Camassia quamash 6
Camassia quamash 'Blue Melody' 2
Camassia quamash subsp. quamash 5
Camassia scilloides 3
Camellia 138
Camellia 'Anticipation' 1
Camellia 'Ashton's Pink' 5
Camellia 'Autumn Spirit' 10
Camellia azalea 10
Camellia 'Berenice Beauty' 6
Camellia 'Blushing Fountains' 10
Camellia brevistyla 3
Camellia brevistyla × C. sasanqua 'Green 09-003' 3
Camellia 'Carolina Moonmist' 31
Camellia chekiangoleosa 13
Camellia 'Christmas Rose' 5
Camellia 'Cinnamon Cindy' 17
Camellia (CP 13 ER 654) 7
Camellia crapnelliana 11
Camellia crassipes 2
Camellia 'Crimson Candles' 7
Camellia cuspidata 4
Camellia 'Doctor Clifford Parks' 1
Camellia edithae 3
Camellia 'Elaine Lee' 4
Camellia 'Elina Cascade' 2
Camellia elongata 6
Camellia euryoides var. euryoides 12
Camellia fansipanensis 1
Camellia flava 1
Camellia fluviatilis 1
Camellia forrestii 2
Camellia 'Fragrant Pink' 2
Camellia 'Frank Houser' 2
Camellia fraterna 13
Camellia gaudichaudii 6
Camellia granthamiana 1
Camellia 'Green 98-013' 2
Camellia grijsii 23
Camellia grijsii (variegated) 4
Camellia guachowensis 2
Camellia handelii (dwarf form) 1
Camellia handelii 'Snow Bells' 5
Camellia henryana var. trichocarpa 3
Camellia ×hiemalis 'Autumn Rose' 4
Camellia ×hiemalis 'Autumn Sun' 2
Camellia ×hiemalis 'Bonanza' 3
Camellia ×hiemalis 'Chansonette' 2
Camellia ×hiemalis 'Dazzler' 6
Camellia ×hiemalis 'Green's Blues' 11
Camellia ×hiemalis 'Kanjiro' 1
Camellia ×hiemalis 'Rose of Autumn' 15
Camellia ×hiemalis 'Shishi Gashira' 10
Camellia 'High Fragrance' 3
Camellia indochinensis var. tunghinensis 1
Camellia irrawadiensis (variegated) 1
Camellia japonica 71
Camellia japonica 'Akashigata' 15
Camellia japonica 'Anacostia' 21
Camellia japonica 'Anemonaeflora' 2
Camellia japonica 'Ann Miller' 1
Camellia japonica 'April Blush' 2
Camellia japonica 'April Tryst' 12
Camellia japonica 'Belle Jeanette' 1
Camellia japonica 'Benten Kagura' 8
Camellia japonica 'Benten-shiratama' 14
Camellia japonica 'Betty Sheffield Coral' 1
Camellia japonica 'Black Magic' 10
Camellia japonica 'Bokuhan' 5
Camellia japonica 'Brushfield's Gold' 1
Camellia japonica 'Brushfield's Yellow' 1
Camellia japonica × C. cuspidata 1
Camellia japonica 'C. M. Wilson' 1
Camellia japonica 'C.M. Wilson' 1
Camellia japonica 'Curly Lady' 16
Camellia japonica 'Daikagura' 4
Camellia japonica 'Debutante' 4
Camellia japonica 'Debutante Benten' 7
Camellia japonica var. decumbens 'Madoka' 12
Camellia japonica 'Dr. J.C. Raulston' 27
Camellia japonica 'Elegans Splendor' 1
Camellia japonica 'Fir Cone Variegated' 5
Camellia japonica 'Firebrand' 1
Camellia japonica (fishtail, white w/ red stripes) 19
Camellia japonica 'Fuiri Benten' 10
Camellia japonica 'Fukurin Wabisuke' 7
Camellia japonica 'General Dwight Eisenhower' 1
Camellia japonica 'Geoff Hamilton' 7
Camellia japonica 'Gigantea' 1
Camellia japonica 'Ginyo Tsubaki' 3
Camellia japonica 'Goggy' 1
Camellia japonica 'Governor Mouton' 16
Camellia japonica 'Grand Marshall' 1
Camellia japonica 'Grand Prix' 1
Camellia japonica 'Grape Soda' 1
Camellia japonica 'Guilio Nuccio Variegated' 2
Camellia japonica 'Hakuhan-kujaku' 1
Camellia japonica 'Herme' 2
Camellia japonica 'Hino Maru' 1
Camellia japonica 'Hokkaido Red' 7
Camellia japonica 'Jacks' 17
Camellia japonica 'Junie Lancaster' 2
Camellia japonica 'Kagiri' 2
Camellia japonica 'Kerguelen' 8
Camellia japonica 'Kifukurin-benikarako' 1
Camellia japonica 'King Lear' 2
Camellia japonica 'Kingyoba-tsubaki' 1
Camellia japonica 'Korean Flame' 3
Camellia japonica (Korean germplasm) 19
Camellia japonica 'Koshi-no-fubuki' 2
Camellia japonica 'Kujaku Tsubaki' 16
Camellia japonica 'Lipstick' 1
Camellia japonica 'Lois Coker' 3
Camellia japonica 'Magnoliaeflora' 6
Camellia japonica 'Marie Bracey' 2
Camellia japonica 'Masterpiece Pink' 1
Camellia japonica 'Middle Georgia' 1
Camellia japonica 'Mike Whitman' 1
Camellia japonica 'Monjusu' 1
Camellia japonica 'Mrs. William Thompson' 2
Camellia japonica 'Nina Avery' 2
Camellia japonica 'Nishikiba Mangetsu' 3
Camellia japonica 'Nokogiriba-tsubaki' 1
Camellia japonica 'Nuccio's Gem' 7
Camellia japonica 'Pink Ball' 1
Camellia japonica 'Pink Clouds' 1
Camellia japonica 'Pink Perfection' 4
Camellia japonica 'Princesse Baciocchi' 1
Camellia japonica 'Professor Sargent' 11
Camellia japonica 'Quercifolia' 20
Camellia japonica 'Reg Ragland' 12
Camellia japonica 'Romany' 1
Camellia japonica 'Roosevelt Blues' 1
Camellia japonica 'Royal Velvet' 4
Camellia japonica var. rusticana 'Ai-no-izumi' 17
Camellia japonica var. rusticana 'Kinsekai' 2
Camellia japonica 'Sanpei-tsubaki' 3
Camellia japonica 'Sundae' 1
Camellia japonica 'Ta Fuku Benten' 18
Camellia japonica 'Taiyo' 2
Camellia japonica 'Tam O'Shanter' 1
Camellia japonica 'Tama Americana' 2
Camellia japonica 'Tama Peacock' 20
Camellia japonica 'Tama Vino' 6
Camellia japonica 'Tama-no-ura' 3
Camellia japonica 'Twilight' 1
Camellia japonica 'Unryu' 13
Camellia japonica 'Ville de Nantes' 7
Camellia japonica 'White By The Gate' 21
Camellia japonica 'White Mermaid' 10
Camellia japonica 'White Perfection' 12
Camellia japonica 'Yirgella' 10
Camellia japonica 'Yuri-tsubaki' 1
Camellia 'Kokin Gold' 2
Camellia 'Koto-no-kaori' 1
Camellia lutchuensis 3
Camellia lutchuensis var. minutiflora 4
Camellia 'Nishikiba Fukurin Ikkyu' 1
Camellia 'Ole' 1
Camellia oleifera 33
Camellia oleifera × C. sasanqua 3
Camellia (oleifera hybrid, weeping) 10
Camellia 'Pink Icicle' 2
Camellia pitardii 4
Camellia polydonta 1
Camellia 'Red Dragon' 1
Camellia reticulata 1
Camellia reticulata 'Pavlova' 2
Camellia 'Robiraki' 6
Camellia rosaeflora 2
Camellia rosaeflora 'Grande' 3
Camellia rosiflora 3
Camellia salicifolia 5
Camellia saluenensis 6
Camellia sasanqua 30
Camellia sasanqua 'Alabama Beauty' 3
Camellia sasanqua 'Autumn Delight' 1
Camellia sasanqua 'Autumn Rocket' 7
Camellia sasanqua 'Autumn Sentinel' 5
Camellia sasanqua 'Cleopatra' 3
Camellia sasanqua 'Cotton Candy' 2
Camellia sasanqua 'Fall Fantasy' 1
Camellia sasanqua 'Fuji-no-yuki' 12
Camellia sasanqua 'Ginba' 4
Camellia sasanqua (gold leaf) 11
Camellia sasanqua 'Golden Phoenix' 10
Camellia sasanqua 'Green 01-006' 18
Camellia sasanqua 'Green 02-003' 10
Camellia sasanqua 'Green 94-010' 2
Camellia sasanqua 'Green 94-035' 10
Camellia sasanqua 'Green 99-006' 2
Camellia sasanqua 'Green 99-031' 6
Camellia sasanqua 'Hanajiman' 10
Camellia sasanqua 'Leslie Ann' 22
Camellia sasanqua 'Maiden's Blush' 1
Camellia sasanqua 'Marie Kirk' 6
Camellia sasanqua 'Northern Lights' 2
Camellia sasanqua 'Pink Snow' 4
Camellia sasanqua 'Reverend Ida' 6
Camellia sasanqua 'Rosy Pillar' 10
Camellia sasanqua 'Sarrel' 8
Camellia sasanqua 'Setsugekka' 7
Camellia sasanqua 'Seventh Desire' 2
Camellia sasanqua 'Starry Pillar' 2
Camellia sasanqua 'TDN 1116' 8
Camellia sasanqua 'TDN 1116' 3
Camellia sasanqua 'White Satin' 3
Camellia sasanqua 'William Lanier Hunt' 6
Camellia sasanqua 'Yuletide' 19
Camellia sasanqua ('Yuletide' variegated sport) 2
Camellia 'Satan's Robe' 2
Camellia semiserrata 2
Camellia sinensis 42
Camellia sinensis (large flower) 2
Camellia sinensis 'O. Kuntze' 10
Camellia sinensis 'Silver Dust' 18
Camellia sinensis 'Unryu' 5
Camellia sinensis (variegated) 1
Camellia 'Snow Blizzard' 5
Camellia 'Snow Flurry' 16
Camellia 'Sparkling Burgundy' 3
Camellia 'Spring Mist' 1
Camellia 'Superscent' 1
Camellia 'Survivor' 3
Camellia 'Sweet Jane' 3
Camellia taliensis 6
Camellia 'Tiny Princess' 4
Camellia transnokoensis 12
Camellia tsaii 1
Camellia tsaii 'Erina' 5
Camellia ×vernalis 'Christmas Candy' 1
Camellia vernalis 'Curly Egao' 1
Camellia ×vernalis 'Egao Corkscrew' 9
Camellia ×vernalis 'Egao Pink Halo' 14
Camellia ×vernalis 'Egao Spring Snowfall' 8
Camellia ×vernalis 'Eos' 4
Camellia ×vernalis 'Ginryu' 12
Camellia ×vernalis 'Hiryû' 14
Camellia ×vernalis 'Mieko Tanaka' 3
Camellia ×vernalis 'Shibori Egao' 10
Camellia ×vernalis 'Star Above Star' 1
Camellia 'Wendzalea' 3
Camellia ×williamsii 'Donation' 11
Camellia ×williamsii 'E.G. Waterhouse Variegated' 1
Camellia ×williamsii 'Golden Spangles' 17
Camellia ×williamsii 'Lavender Prince II' 1
Camellia ×williamsii 'Mary Christian' 21
Camellia ×williamsii 'Mona Johnston' 2
Camellia ×williamsii 'Night Rider' 2
Camellia ×williamsii 'Taylor's Perfection' 1
Camellia 'Winter's Charm' 18
Camellia 'Winter's Dream' 11
Camellia 'Winter's Star' 13
Camellia 'Winter's Star Light' 16
Camellia 'Winter's Sunset' 5
Camellia 'Wirlinga Bride' 17
Camellia 'Yoimachi' 6
Camellia yuhsiensis 4
Camellia 'Yume' 18
Camellia yunnanensis 2
Campanula 50
Campanula alliariifolia 2
Campanula carpatica 9
Campanula carpatica 'Deep Blue Clips' 2
Campanula cespitosa 3
Campanula dasyantha 1
Campanula fenestrellata 3
Campanula garganica 1
Campanula garganica 'Dickson's Gold' 12
Campanula glomerata 15
Campanula glomerata 'Joan Elliott' 4
Campanula incurva 5
Campanula 'Kent Belle' 5
Campanula parryi 7
Campanula persicifolia 2
Campanula persicifolia 'Moerheimii' 4
Campanula portenschlagiana 1
Campanula poscharskyana 14
Campanula poscharskyana 'Camgood' 3
Campanula poscharskyana 'Camgood' 8
Campanula poscharskyana 'Stella' 2
Campanula ×pulloides 'Jelly Bells' 2
Campanula punctata 'Cherry Bells' 3
Campanula punctata 'White Princess' 1
Campanula raddeana 1
Campanula rotundifolia 19
Campanula 'Sarastro' 2
Campanula takesimana 10
Campanula takesimana 'Elizabeth' 3
Campanula uniflora 4
Campanula zangezura 2
Campsis 10
Campsis grandiflora 20
Campsis grandiflora 'Morning Calm' 9
Campsis radicans 13
Campsis radicans 'Apricot' 4
Campsis radicans (Bahama yellow) 9
Campsis radicans 'Crimson Trumpet' 1
Campsis radicans 'Flava' 8
Campsis radicans 'Stromboli' 3
Campsis radicans 'Takarazuka Variegated' 2
Campsis radicans (Tyler yellow) 2
Campsis radicans 'Wako White' 8
Campsis ×tagliabuana 'Madame Galen' 4
Camptosema praeandinum 2
Camptotheca acuminata 11
Campylandra aff. campbellii subsp. sinensis (Quarryhill form) 5
Campylotropis macrocarpa 8
Cananga odorata 2
Canna 81
Canna 'African Sunset' 25
Canna 'Australia' 19
Canna 'Bengal Tiger' 10
Canna 4
Canna 20
Canna 7
Canna 5
Canna 2
Canna 8
Canna 4
Canna 'Cleopatra' 32
Canna compacta × C. patens 5
Canna compacta subsp. cinnabarina 5
Canna 'Constitution' 13
Canna 'Ermine' 3
Canna 'Flaming Kabobs' 5
Canna gigantea 5
Canna glauca 5
Canna 'Grande' 1
Canna indica 4
Canna indica 'Red Stripe' 3
Canna iridiflora 2
Canna 'Jimmy Carter' 6
Canna 'King's Gold' 4
Canna 'La Boheme' 1
Canna 'Lemon Punch' 7
Canna 'Mary's Gold' 4
Canna 'Minerva' 13
Canna musifolia 3
Canna occidentalis 6
Canna 'Omega' 4
Canna 'Orange Punch' 8
Canna 'Orange Tiger' 0
Canna 'Pacific Beauty' 12
Canna 'Panache' 3
Canna patens 28
Canna (peach) 1
Canna 'Phaison' 17
Canna 'Red Futurity' 1
Canna 'Red Stripe' 2
Canna 'Red Tiger' 1
Canna 'Red Wine' 1
Canna 15
Canna 'Striata' 13
Canna 'Stuttgart' 4
Canna 'Thai One On' 16
Canna 5
Canna 8
Canna 'Valentine' 6
Canna (white) 3
Cannabis sativa 3
Cannomois virgata 1
Canotia holacantha 3
Cantua buxifolia 2
Cantua buxifolia 'Tricolor' 2
Capsicum 18
Capsicum annuum 18
Capsicum annuum '11f04c-1' 2
Capsicum annuum '11f04c-2' 6
Capsicum annuum 'Black Hawk' 11
Capsicum annuum 'Black Olive' 11
Capsicum annuum 'Black Pearl' 12
Capsicum annuum 'Blast' 4
Capsicum annuum 'Blaze' 6
Capsicum annuum 'Calico' 3
Capsicum annuum 'Candy Cane Red' 8
Capsicum annuum 'Chilly Chili' 6
Capsicum annuum 'Ember' 3
Capsicum annuum 'Flaming Jade' 5
Capsicum annuum 'Gusto Green' 12
Capsicum annuum 'Ignite' 5
Capsicum annuum [Longum Group] 'Medusa' 1
Capsicum annuum 'Numex Easter' 12
Capsicum annuum 'Paragon' 7
Capsicum annuum 'Purple Flash' 2
Capsicum annuum 'Purple Gusto' 5
Capsicum annuum 'Wicked' 9
Caragana arborescens 'Nana' 2
Caragana arborescens 'Pendula' 2
Caragana sinica 4
Caragana 'Walkeri' 2
Cardamine 6
Cardamine angustata (A1AL-026) 1
Cardamine concatenata 10
Cardamine cordifolia 3
Cardamine diphylla 26
Cardamine diphylla 'Bama Jama' 2
Cardamine diphylla 'Eco Moonlight' 1
Cardamine dissecta 1
Cardamine dissecta (A1NC-057) 2
Cardamine douglassii 4
Cardamine douglassii 'Southern Lady' 19
Cardiocrinum 5
Cardiocrinum cathayanum 14
Cardiocrinum cordatum 2
Cardiocrinum cordatum var. glehnii (variegated) 3
Cardiocrinum giganteum 23
Carex 21
Carex albula 'Frosty Curls' 1
Carex amphibola 2
Carex buchananii 5
Carex buchananii 1
Carex cherokeensis 2
Carex ciliatomarginata 'Island Brocade' 4
Carex ciliatomarginata 'Treasure Island' 8
Carex comans 'Bronze' 4
Carex comans 'Frosted Curls' 7
Carex comans (green form) 1
Carex conica 'Snowline' 2
Carex crinita 2
Carex divulsa 5
Carex dolichostachya 'Kaga Nishiki' 2
Carex eburnea 5
Carex elata 'Aurea' 6
Carex elata 'Bowle's Golden' 10
Carex 'ET CRX01' 7
Carex flacca 4
Carex flacca 'Blue Zinger' 5
Carex flaccosperma 3
Carex flagellifera 4
Carex flagellifera 'Toffee Twist' 2
Carex frankii 1
Carex glauca 2
Carex grayi 1
Carex laxiculmis 'Hobb' 4
Carex morrowii 1
Carex morrowii 'Fukansuge' 1
Carex morrowii 'Ice Ballet' 5
Carex morrowii 'Ice Dance' 2
Carex morrowii 'Silver Sceptre' 5
Carex morrowii var. temnolepis 'Silk Tassel' 3
Carex morrowii 'Variegata' 7
Carex muskingumensis 'Oehme' 3
Carex ochrosaccus 1
Carex oshimensis 1
Carex oshimensis 'Carfit01' 5
Carex oshimensis 'Evergold' 5
Carex oshimensis 'Everillo' 4
Carex oshimensis 'Everlime' 5
Carex oshimensis 'Eversheen' 3
Carex pendula 2
Carex pensylvanica 2
Carex phyllocephala 1
Carex phyllocephala 'Sparkler' 18
Carex radiata 2
Carex radiata 'Halifax' 4
Carex rosea 3
Carex scaposa 14
Carex siderosticta 'Banana Boat' 3
Carex siderosticta 'Variegata' 8
Carex siderosticta (white broadly centered) 1
Carex socialis 'Coahoma' 6
Carex stricta 3
Carex testacea 1
Carex testacea 'Prairie Fire' 6
Carex trifida 'Rekohu Sunrise' 1
Carica papaya 10
Carissa macrocarpa 5
Carissa macrocarpa 'Tuttlei' 1
Carlina acaulis 2
Carmichaelia appressa 2
Carmichaelia arborea 3
Carmichaelia australis 4
Carmichaelia curta 7
Carmichaelia nana 1
Carmichaelia petriei 1
Carmichaelia stevensonii 7
Carmichaelia williamsii 2
Carnegiea gigantea 30
Carpenteria californica 20
Carphephorus bellidifolius 5
Carpinus 10
Carpinus betulus 14
Carpinus betulus 'Columnaris' 1
Carpinus betulus 'Columnaris' 14
Carpinus betulus 'Dervaesii' 8
Carpinus betulus 'Fastigiata' 6
Carpinus betulus 'Frans Fontaine' 15
Carpinus betulus 'Incisa' 5
Carpinus betulus 'Monument' 1
Carpinus betulus 'Pendula' 15
Carpinus betulus 'Pinoccheo' 6
Carpinus betulus 'Pyramidalis' 1
Carpinus caroliniana 11
Carpinus caroliniana 'Stowe Cascade' 9
Carpinus caroliniana 'Uxbridge' 5
Carpinus cordata 11
Carpinus coreana 5
Carpinus coreana 'Kuro Bijin' 13
Carpinus fangiana 14
Carpinus fangiana 'Wharton's Choice' 8
Carpinus fargesiana 8
Carpinus henryana var. simplicidentata 5
Carpinus japonica 31
Carpinus japonica 'Silver Lace' 5
Carpinus kawakamii 2
Carpinus laxiflora 13
Carpinus laxiflora 'Variegata' 8
Carpinus mollicoma 2
Carpinus omeiensis 5
Carpinus orientalis 1
Carpinus tschonoskii 4
Carpinus turczaninowii 11
Carpinus viminea 8
Carpobrotus 2
Carpobrotus chilensis 3
Carpobrotus chilensis (white) 1
Carpobrotus edulis 6
Carrierea calycina 3
Carthamus pinnatus 2
Cartrema americana 8
Cartrema americana 'Woodlanders Amanda' 13
Carya 12
Carya illinoinensis 40
Carya ovata 11
Caryopteris 7
Caryopteris ×clandonensis 8
Caryopteris ×clandonensis 'Blauersplatz' 3
Caryopteris ×clandonensis 'Emerald Crest' 4
Caryopteris ×clandonensis 'Ferndown' 21
Caryopteris ×clandonensis 'First Choice' 2
Caryopteris ×clandonensis 'Gold Crest' 4
Caryopteris ×clandonensis 'Gold Giant' 1
Caryopteris ×clandonensis 'Inoveris' 15
Caryopteris ×clandonensis 'Kew Blue' 1
Caryopteris ×clandonensis 'Longwood Blue' 3
Caryopteris ×clandonensis 'Summer Sorbet' 1
Caryopteris ×clandonensis 'White Surprise' 12
Caryopteris ×clandonensis 'Worcester Gold' 9
Caryopteris divaricata 3
Caryopteris divaricata 'Blue Butterflies' 17
Caryopteris divaricata 'Snow Fairy' 2
Caryopteris incana 3
Caryopteris incana 'Jason' 1
Caryopteris nepalensis 2
Caryota obtusa 4
Cassia 2
Cassia roxburghii 4
Castanea 6
Castanea crenata 9
Castanea dentata 9
Castanea mollissima 13
Castanea pumila 2
Castanea sativa 12
Castanea sativa 'Argenteovariegata' 1
Castanea sativa 'Variegata' 5
Castanea seguinii 4
Castanopsis cuspidata 11
Castanopsis cuspidata var. sieboldii 'Angyo Yellow' 26
Castanopsis cuspidata (white center) 2
Castanopsis delavayi 14
Castanopsis eyrei 3
Castanopsis sclerophylla 20
Castilleja 28
Castilleja ambigua var. ambigua 2
Castilleja angustifolia 6
Castilleja applegatei 1
Castilleja coccinea 5
Castilleja flava 12
Castilleja integra 15
Castilleja linariifolia 7
Castilleja miniata 30
Castilleja occidentalis 16
Castilleja sulphurea 6
Casuarina equisetifolia 9
Catalpa 31
Catalpa bignonioides 'Aurea' 17
Catalpa bungei 6
Catalpa ×erubescens 'Purpurea' 6
Catalpa ovata 4
Catalpa speciosa 5
Catalpa speciosa 'Hiawatha 2' 3
Catalpa speciosa 'Pulverulenta' 2
Catasetum moorei 1
Catharanthus 1
Catharanthus 'Eldstjama' 4
Catharanthus roseus 25
Catharanthus roseus 'Pas1192826' 4
Catharanthus roseus 'Pas1192835' 3
Catharanthus 'Suncatfe23' 2
Cathaya argyrophylla 19
Cattleya 4
Caulophyllum thalictroides 2
Cautleya gracilis 1
Cautleya spicata 9
Ceanothus 25
Ceanothus americanus 6
Ceanothus arboreus 'Owlswood Blue' 1
Ceanothus 'Blue Jeans' 1
Ceanothus 'Concha' 2
Ceanothus ×delileanus 'Gloire de Versailles' 4
Ceanothus ×delilianus 'Henri Desfossé' 20
Ceanothus griseus 'Diamond Heights' 1
Ceanothus griseus var. horizontalis 'Diamond Heights' 1
Ceanothus griseus 'Yankee Point' 2
Ceanothus maritimus 2
Ceanothus 'Minmarose' 5
Ceanothus ×pallidus 'Marie Simon' 1
Ceanothus ×pallidus 'Minmari' 9
Ceanothus prostratus 2
Ceanothus pumilus 3
Ceanothus 'Ray Hartman' 2
Ceanothus thyrsiflorus 6
Ceanothus thyrsiflorus 'Perado' 1
Ceanothus thyrsiflorus var. repens 5
Ceanothus 'Tuxedo' 2
Ceanothus velutinus 16
Ceanothus 'Victoria' 2
Cedrela 2
Cedrus 47
Cedrus atlantica 17
Cedrus atlantica 'Argentea Fastigiata' 9
Cedrus atlantica 'Aurea' 2
Cedrus atlantica 'Aurea Robusta' 1
Cedrus atlantica 'Fastigiata' 1
Cedrus atlantica Glauca Group 41
Cedrus atlantica 'Glauca Pendula' 111
Cedrus atlantica 'Saphir Nymphe' 3
Cedrus atlantica 'Uwe' 1
Cedrus deodara 31
Cedrus deodara 'Aurea' 10
Cedrus deodara 'Aurea Pendula' 1
Cedrus deodara 'Blue Ball' 2
Cedrus deodara 'Compacta' 3
Cedrus deodara 'Cream Puff' 6
Cedrus deodara 'Crystal Falls' 4
Cedrus deodara 'Devinely Blue' 6
Cedrus deodara 'Electra' 3
Cedrus deodara 'Emerald Spreader' 2
Cedrus deodara 'Feelin' Blue' 9
Cedrus deodara 'Gemstone' 5
Cedrus deodara 'Glacier Blue' 3
Cedrus deodara 'Glauca Pendula' 16
Cedrus deodara 'Golden Horizon' 1
Cedrus deodara 'Hollandia' 2
Cedrus deodara 'Montrose Veil' 8
Cedrus deodara 'Mountain Beauty' 1
Cedrus deodara 'Pendula' 9
Cedrus deodara 'Prostrata' 2
Cedrus deodara 'Prostrate Beauty' 4
Cedrus deodara 'Pygmaea' 1
Cedrus deodara 'Raywood's Contorted' 4
Cedrus deodara 'Scott' 1
Cedrus deodara 'Silver' 4
Cedrus deodara 'Snow Sprite' 2
Cedrus libani 3
Cedrus libani subsp. brevifolia 6
Cedrus libani 'Katere' 3
Cedrus libani Nana Group 2
Cedrus libani ''Pendula'' 1
Cedrus libani 'Sargentii' 3
Ceiba 9
Ceiba 'Kampong' 3
Ceiba pentandra 5
Ceiba speciosa 1
Celastrus 2
Celastrus orbiculata 1
Celmisia 5
Celmisia coriacea 1
Celmisia holosericea 1
Celmisia hookeri 5
Celmisia mackaui 4
Celmisia monroi 1
Celmisia semicordata 5
Celosia 34
Celosia argentea 1
Celosia argentea var. argentea Spicata Group 19
Celosia argentea 'Asian Garden' 13
Celosia argentea 2
Celosia argentea var. cristata 'Arrabona Red' 4
Celosia argentea var. cristata Cristata Group 3
Celosia argentea var. cristata [Cristata Group] 'Twisted' 15
Celosia argentea var. cristata [Cristata Group] 'Twisted Orange' 10
Celosia argentea var. cristata [Cristata Group] 'Twisted Yellow' 14
Celosia argentea var. cristata 'Pas1233915' 8
Celosia argentea var. cristata 'Pas1350211' 18
Celosia argentea var. cristata 'Pas905170' 15
Celosia argentea var. cristata [Plumosa Group] 2
Celosia argentea var. cristata [Plumosa Group] 'Fresh Look Red' 2
Celosia argentea 'Intenz' 5
Celosia 'New Look' 1
Celtis 13
Celtis australis 3
Celtis biondii 2
Celtis bungeana 1
Celtis chekiangensis 2
Celtis edulis 5
Celtis julianae 12
Celtis koraiensis 6
Celtis laevigata 5
Celtis occidentalis 1
Celtis occidentalis 'Prairie Pride' 3
Celtis pallida 3
Celtis reticulata 3
Celtis sinensis 3
Celtis sinensis 1
Celtis sinensis 'Green Cascade' 34
Celtis tenuifolia 10
Celtis tetrandra 1
Celtis vandervoetiana 2
Celtis yunnanensis 5
Centaurea 3
Centaurea cineraria 10
Centaurea cineraria 'Colchester White' 7
Centaurea cyanus 5
Centaurea macrocephala 6
Centaurea montana 5
Centaurea montana 'Alba' 1
Centaurea montana 'Gold Bullion' 5
Centaurea ragusina 'Balcentsirl' 3
Centaurea simplicicaulis 4
Centradenia grandifolia 2
Centrantherum camporum 5
Centranthus ruber 11
Centranthus ruber 'Albus' 6
Centratherum 5
Cephalanthus occidentalis 5
Cephalanthus occidentalis 'Bailoptics' 13
Cephalanthus occidentalis (large flower) 1
Cephalanthus occidentalis 'Oshack' 1
Cephalaria gigantea 4
Cephalotaxus 14
Cephalotaxus fortunei 5
Cephalotaxus fortunei var. alpina 4
Cephalotaxus fortunei 'Prostrate Spreader' 2
Cephalotaxus harringtonia 12
Cephalotaxus harringtonia var. drupacea 5
Cephalotaxus harringtonia 'Duke Gardens' 8
Cephalotaxus harringtonia 'Fastigiata' 11
Cephalotaxus harringtonia 'Fritz Huber' 9
Cephalotaxus harringtonia 'Gnome' 5
Cephalotaxus harringtonia 'Gold Duke Gardens' 3
Cephalotaxus harringtonia 1
Cephalotaxus harringtonia 'H.W. Sargent' 6
Cephalotaxus harringtonia var. koreana 8
Cephalotaxus harringtonia var. koreana 'Korean Gold' 6
Cephalotaxus harringtonia 'Mary Fleming' 7
Cephalotaxus harringtonia var. nana 2
Cephalotaxus harringtonia 'Pedunculata' 6
Cephalotaxus harringtonia 'Prostrata' 15
Cephalotaxus harringtonia 'Watnong' 11
Cephalotaxus harringtonia (Yewtopia) 1
Cephalotaxus lanceolata 7
Cephalotaxus mannii 3
Cephalotaxus oliveri 1
Cephalotaxus sinensis 14
Cephalotaxus wilsoniana 4
Cerastium arvense 4
Cerastium arvense subsp. strictum 3
Cerastium tomentosum 2
Ceratopetalum gummiferum 'Rubies 'n Lace' 4
Ceratostigma 4
Ceratostigma griffithii 5
Ceratostigma griffithii 'Snow Flurries' 12
Ceratostigma plumbaginoides 8
Ceratostigma plumbaginoides 'My Love' 5
Ceratostigma willmottianum 9
Ceratotheca triloba 4
Ceratozamia hildae 9
Ceratozamia kuesteriana 2
Ceratozamia mexicana 3
Ceratozamia norstogii 2
Ceratozamia robusta 3
Cercidiphyllum 2
Cercidiphyllum japonicum 29
Cercidiphyllum japonicum 'Amazing Grace' 3
Cercidiphyllum japonicum 'Heronswood Globe' 4
Cercidiphyllum japonicum 'HSI1' 4
Cercidiphyllum japonicum 'Kruckeberg Dwarf' 1
Cercidiphyllum japonicum 'Morioka Weeping' 20
Cercidiphyllum japonicum f. pendulum 14
Cercidiphyllum japonicum 'Rotfuchs' 2
Cercidiphyllum magnificum 5
Cercidium floridum 2
Cercidium microphyllum 3
Cercis 87
Cercis 'Big John' 34
Cercis canadensis 65
Cercis canadensis 'Ace of Hearts' 25
Cercis canadensis f. alba 30
Cercis canadensis 'Alley Cat' 35
Cercis canadensis 'Amethyst Mist' 36
Cercis canadensis 'Appalachian Red' 22
Cercis canadensis 'Cascading Hearts' 10
Cercis canadensis 'Covey' 21
Cercis canadensis 'Crosswicks Red' 12
Cercis canadensis 'Dwarf White' 19
Cercis canadensis 'Flame' 29
Cercis canadensis 'Floating Clouds' 30
Cercis canadensis 'Forest Pansy' 63
Cercis canadensis 'Gold Crown' 18
Cercis canadensis 'Greswan' 14
Cercis canadensis 'Hearts of Gold' 58
Cercis canadensis 'JN16' 9
Cercis canadensis 'JN2' 17
Cercis canadensis 'JN21' 6
Cercis canadensis 'JN7' 11
Cercis canadensis (large leaf form) 6
Cercis canadensis 'Little Woody' 5
Cercis canadensis 'Mardis Gras' 7
Cercis canadensis 'Merlot' 25
Cercis canadensis var. mexicana 50
Cercis canadensis var. mexicana 'Sanderson' 3
Cercis canadensis 'NC2014-10' 12
Cercis canadensis 'NC2014-5' 8
Cercis canadensis 'NC2015-12' 1
Cercis canadensis 'NC2016-2' 14
Cercis canadensis 'NC2017-6' 5
Cercis canadensis 'NC2017-8' 5
Cercis canadensis 'NCCC1' 5
Cercis canadensis (NCSU upright) 7
Cercis canadensis 'Pauline Lily' 4
Cercis canadensis 'Pink Heartbreaker' 4
Cercis canadensis 'Pink Pom Poms' 3
Cercis canadensis 'Pinkbud' 9
Cercis canadensis 'Royal White' 5
Cercis canadensis 'Ruby Falls' 12
Cercis canadensis 'Silver Cloud' 33
Cercis canadensis 'Sjo' 10
Cercis canadensis 'Tennessee Pink' 63
Cercis canadensis ('Tennessee Pink' variegated) 5
Cercis canadensis var. texensis 6
Cercis canadensis var. texensis 'Oklahoma' 38
Cercis canadensis var. texensis 'Oklahoma' (variegated) 4
Cercis canadensis var. texensis 'Texas White' 18
Cercis canadensis var. texensis 'Traveller' 49
Cercis canadensis 'Tom Thumb' 9
Cercis canadensis 'Vanilla Twist' 23
Cercis canadensis (variegated) 1
Cercis canadensis 'Whitewater' 9
Cercis chinensis 39
Cercis aff. chinensis 4
Cercis chinensis f. alba 13
Cercis chinensis 'Avondale' 3
Cercis chinensis 'Celestial Plum' 17
Cercis chinensis 'Don Egolf' 37
Cercis chinensis (dwarf form) 8
Cercis chinensis 'Genpei' 10
Cercis chinensis 'Kay's Early Hope' 29
Cercis chinensis 'Reznicek' 11
Cercis chinensis 'Shibamichi Red' 27
Cercis chinensis 'Shirobana' 29
Cercis chinensis 'Shishiba' 10
Cercis chingii 22
Cercis chuniana 20
Cercis gigantea 3
Cercis gigantea (pale flower) 9
Cercis glabra 20
Cercis griffithii 3
Cercis (hybrid) 11
Cercis (hybrid no. 3) 9
Cercis 'NC2017-113' 3
Cercis 'NC2017-9' 12
Cercis 'NC2017-92' 2
Cercis 'NC2019-1' 2
Cercis occidentalis 5
Cercis racemosa 24
Cercis racemosa (cold hardy form) 1
Cercis siliquastrum 26
Cercis siliquastrum f. albida 16
Cercis siliquastrum 'Bodnant' 13
Cercis siliquastrum 'Rubra' 2
Cercis 'Wavecrest' 1
Cercocarpus 2
Cercocarpus ledifolius var. ledifolius 8
Cercocarpus montanus 14
Cereus 2
Cerinthe major 3
Cerinthe major 'Purpurascens' 5
Ceropegia 3
Ceroxylon interruptum 1
Ceroxylon quindiuense 4
Cestrum aurantiacum 3
Cestrum 'Compact Purple' 15
Cestrum elegans 2
Cestrum 'Newellii' 2
Cestrum 'Orange Peel' 2
Cestrum parqui 22
Cestrum psittacinum 6
Cestrum roseum 2
Chaenactis douglasii 8
Chaenomeles 29
Chaenomeles (Chris's contorted) 8
Chaenomeles 'Dragon's Blood' 11
Chaenomeles japonica 12
Chaenomeles japonica 'Atsuya Hamada' 41
Chaenomeles japonica 'Chojuraku' 20
Chaenomeles japonica 'Hime' 7
Chaenomeles japonica 'Pygmaea' 11
Chaenomeles japonica 'Utamaro' 7
Chaenomeles 'Orange Storm' 41
Chaenomeles 'Pink Storm' 4
Chaenomeles 'Scarff's Red' 25
Chaenomeles 'Scarlet Storm' (Double Take) 17
Chaenomeles speciosa 23
Chaenomeles speciosa 'Contorta' 14
Chaenomeles speciosa 'Mt. Fuji' 12
Chaenomeles speciosa 'Old Red' 4
Chaenomeles speciosa 'Orange Delight' 6
Chaenomeles speciosa 'Red Charlet' 8
Chaenomeles speciosa 'Toyo Nishiki' 16
Chaenomeles ×superba 'Cameo' 15
Chaenomeles ×superba 'Crimson and Gold' 1
Chaenomeles ×superba 'Jet Trail' 14
Chaenomeles ×superba 'Mandarin' 24
Chaenomeles ×superba 'Pink Lady' 2
Chaenomeles ×superba 'Texas Scarlet' 8
Chamaebatiaria millefolium 2
Chamaecrista fasciculata 1
Chamaecyparis 39
Chamaecyparis formosensis 18
Chamaecyparis lawsoniana 21
Chamaecyparis lawsoniana 'Aurea' 1
Chamaecyparis lawsoniana 'Aureovariegata' 1
Chamaecyparis lawsoniana 'Golden Showers' 1
Chamaecyparis lawsoniana 'Green Globe' 3
Chamaecyparis lawsoniana 'Imbricata Pendula' 4
Chamaecyparis lawsoniana 'Minima Aurea' 1
Chamaecyparis lawsoniana 'Oregon Blue' 1
Chamaecyparis lawsoniana 'Pygmaea Argentea' 1
Chamaecyparis lawsoniana 'Rimpelaar' 2
Chamaecyparis lawsoniana 'Stilton Cheese' 2
Chamaecyparis lawsoniana 'Winston Churchill' 1
Chamaecyparis lawsoniana 'Wissel's Saguaro' 3
Chamaecyparis obtusa 21
Chamaecyparis obtusa 'Aurea' 2
Chamaecyparis obtusa 'Baldwin Variegated' 3
Chamaecyparis obtusa 'Bassett' 2
Chamaecyparis obtusa 'Bess' 2
Chamaecyparis obtusa 'Blue Feathers' 3
Chamaecyparis obtusa 'Butterball' 3
Chamaecyparis obtusa 'Chabo Yadori' 6
Chamaecyparis obtusa 'Chirimen' 4
Chamaecyparis obtusa 'Confucius' 5
Chamaecyparis obtusa 'Conschlecht' 8
Chamaecyparis obtusa 'Crippsii' 18
Chamaecyparis obtusa 'Dainty Doll' 7
Chamaecyparis obtusa 'Dianne Verkade' 3
Chamaecyparis obtusa 'Elmwood' 7
Chamaecyparis obtusa 'Emelie' 2
Chamaecyparis obtusa 'Ericoides' 9
Chamaecyparis obtusa 'Filicoides' 1
Chamaecyparis obtusa 'Flabelliformis' 7
Chamaecyparis obtusa var. formosana 6
Chamaecyparis obtusa 'Gimborn's Beauty' 1
Chamaecyparis obtusa 'Gold Post' 4
Chamaecyparis obtusa 'Golden Fern' 7
Chamaecyparis obtusa 'Golden Mage' 1
Chamaecyparis obtusa 'Golden Sprite' 1
Chamaecyparis obtusa 'Golden Whorl' 1
Chamaecyparis obtusa 'Good as Gold' 3
Chamaecyparis obtusa 'Gracilis' 20
Chamaecyparis obtusa 'Green Cushion' 1
Chamaecyparis obtusa 'Hage' 1
Chamaecyparis obtusa 'Hibari' 9
Chamaecyparis obtusa 'Intermedia' 2
Chamaecyparis obtusa 'Jan Verkade' 1
Chamaecyparis obtusa 'Juniperoides' 2
Chamaecyparis obtusa 'Just Dandy' 1
Chamaecyparis obtusa 'Kanaamihiba' 1
Chamaecyparis obtusa 'Kojolko hiba' 5
Chamaecyparis obtusa 'Kosteri' 9
Chamaecyparis obtusa 'Lemon Twist' 4
Chamaecyparis obtusa 'Leprechaun' 2
Chamaecyparis obtusa 'Limerick' 1
Chamaecyparis obtusa 'Loenik' 4
Chamaecyparis obtusa 'Lougheed' 3
Chamaecyparis obtusa 'Lynn's Golden' 7
Chamaecyparis obtusa 'Mariesii' 1
Chamaecyparis obtusa 'Melody' 5
Chamaecyparis obtusa 'Mhondoro' 1
Chamaecyparis obtusa 'Minuet' 5
Chamaecyparis obtusa 'Nana' 4
Chamaecyparis obtusa 'Nana Aurea' 7
Chamaecyparis obtusa 'Nana Gracilis' 11
Chamaecyparis obtusa 'Nana Lutea' 9
Chamaecyparis obtusa 'Oregon Crested' 8
Chamaecyparis obtusa 'Pygmaea' 1
Chamaecyparis obtusa 'Pygmaea Aurescens' 1
Chamaecyparis obtusa 'Repens' 8
Chamaecyparis obtusa 'Rigid Dwarf' 1
Chamaecyparis obtusa 'Saffron Spray' 2
Chamaecyparis obtusa 'Second Chance' 1
Chamaecyparis obtusa 'Special Variegated' 6
Chamaecyparis obtusa 'Spiralis' 2
Chamaecyparis obtusa 'Split Rock' 5
Chamaecyparis obtusa 'Stoneham' 7
Chamaecyparis obtusa 'Sunburst' 1
Chamaecyparis obtusa 'Sunspray' 2
Chamaecyparis obtusa 'Tempelhof' 3
Chamaecyparis obtusa 'Tetragona Aurea' 12
Chamaecyparis obtusa 'Thoweil' 1
Chamaecyparis obtusa 'Torulosa' 2
Chamaecyparis obtusa 'Torulosa Nana' 2
Chamaecyparis obtusa 'Tsatsumi' 3
Chamaecyparis obtusa 'Twenty Two Carat' 3
Chamaecyparis obtusa 'Verdon' 8
Chamaecyparis obtusa 'Vokel's Upright' 4
Chamaecyparis obtusa 'Wells Nana Select' 1
Chamaecyparis pisifera 22
Chamaecyparis pisifera 'Baby Blue' 3
Chamaecyparis pisifera 'Boulevard' 9
Chamaecyparis pisifera 'Cannon Ball' 2
Chamaecyparis pisifera 'Clouded Sky' 6
Chamaecyparis pisifera 'Cream Ball' 6
Chamaecyparis pisifera 'Cumulus' 2
Chamaecyparis pisifera 'Devon Cream' 2
Chamaecyparis pisifera 'Filifera' 13
Chamaecyparis pisifera 'Filifera Aurea' 41
Chamaecyparis pisifera 'Filifera Aurea Nana' 1
Chamaecyparis pisifera 'Filip's Happy Day' 4
Chamaecyparis pisifera 'Gekko' 2
Chamaecyparis pisifera 'Golddust' 7
Chamaecyparis pisifera 'Golden Pincushion' 1
Chamaecyparis pisifera 'Juniperoides' 3
Chamaecyparis pisifera 'Lemon Thread' 3
Chamaecyparis pisifera 'Manger's Sunshine' 1
Chamaecyparis pisifera 'Minima' 1
Chamaecyparis pisifera 'Plumosa Aurea Compacta' 1
Chamaecyparis pisifera 'Plumosa Aurea Nana' 7
Chamaecyparis pisifera 'Plumosa Compressa' 2
Chamaecyparis pisifera 'Plumosa Cristata' 2
Chamaecyparis pisifera 'Plumosa Juniperoides' 4
Chamaecyparis pisifera 'Plumosa Nana' 4
Chamaecyparis pisifera 'Plumosa Rogersi' 1
Chamaecyparis pisifera 'Silver Lode' 6
Chamaecyparis pisifera 'Snow' 2
Chamaecyparis pisifera 'Snow Sport' 1
Chamaecyparis pisifera 'Squarrosa' 2
Chamaecyparis pisifera 'Squarrosa Intermedia' 5
Chamaecyparis pisifera 'Squarrosa Lutea' 3
Chamaecyparis pisifera 'Squarrosa Minima' 1
Chamaecyparis pisifera 'Squarrosa Sulphurea' 2
Chamaecyparis pisifera 'Sungold' 1
Chamaecyparis pisifera 'Tsukumo' 8
Chamaecyparis pisifera 'Vintage Gold' 11
Chamaecyparis pisifera 'Yadkin Gold' 3
Chamaecyparis thyoides 18
Chamaecyparis thyoides 'Andelyensis' 2
Chamaecyparis thyoides 'Barton' 6
Chamaecyparis thyoides 'Dilworth Variegated' 1
Chamaecyparis thyoides 'Ericoides' 6
Chamaecyparis thyoides (fastigiate) 4
Chamaecyparis thyoides 'Glauca Pendula' 4
Chamaecyparis thyoides 'Heatherbun' 4
Chamaecyparis thyoides 'Little Jamie' 3
Chamaecyparis thyoides 'Red Velvet' 4
Chamaecyparis thyoides 'Rubicon' 16
Chamaecyparis thyoides 'Tom's Blue' 8
Chamaecyparis thyoides 'Top Point' 1
Chamaecyparis thyoides 'Variegata' 2
Chamaecyparis thyoides 'Versent' 4
Chamaecyparis thyoides 'Webb Gold' 1
Chamaecyparis thyoides 'Yankee Blue' 4
Chamaecytisus purpureus 4
Chamaedaphne calyculata 2
Chamaedaphne calyculata 'Verdant' 1
Chamaedorea 1
Chamaedorea cataractarum 1
Chamaedorea hooperiana 1
Chamaedorea metallica 3
Chamaerops humilis 22
Chamaerops humilis var. cerifera 9
Chamaerops humilis var. cerifera (Sapaucia form) 3
Chamaerops humilis 'Vulcano' 3
Chamerion angustifolium 5
Chamerion angustifolium 'Album' 2
Chasmanthium latifolium 4
Chasmanthium latifolium 'River Mist' 1
Chasmatophyllum musculinum 12
Cheilanthes 9
Cheilanthes argentea 6
Cheilanthes aff. covillei 3
Cheilanthes eckloniana 12
Cheilanthes lanosa 3
Cheilanthes viridis 1
Cheilanthes yavapensis 4
Chelidonium majus 4
Chelone glabra 6
Chelone lyonii 9
Chelone lyonii 'Hot Lips' 7
Chelone obliqua 2
Chelonopsis moschata 10
Chelonopsis yagiharana 12
Chiastophyllum oppositifolium 3
Chilopsis 2
Chilopsis linearis 17
Chilopsis linearis 'Angel White' 25
Chilopsis linearis 'Art's Seedless' 2
Chilopsis linearis 'Bubba' 19
Chimaphila maculata 11
Chimaphila umbellata 4
Chimaphila umbellata subsp. occidentalis 4
Chimonanthus 2
Chimonanthus nitens 18
Chimonanthus praecox 22
Chimonanthus praecox 'Luteus' 14
Chimonanthus zhejiangensis 18
Chiococca alba 5
Chionanthus 1
Chionanthus pygmaeus 7
Chionanthus retusus 42
Chionanthus retusus 'China Snow' 1
Chionanthus retusus 'Ivory Tower' 11
Chionanthus retusus (Norfolk weeping) 8
Chionanthus retusus 'Tokyo Tower' 11
Chionanthus retusus 'Yadkin Creeper' 4
Chionanthus virginicus 67
Chionanthus virginicus 'Emerald Knight' 4
Chionanthus virginicus 'White Knight' 14
Chionochloa pallens 1
Chionochloa rigida 1
Chionochloa spiralis 1
Chionodoxa forbesii 18
Chionodoxa forbesii 'Pink Giant' 25
Chionodoxa luciliae 11
Chionodoxa sardensis 21
Chionographis japonica 4
Chionophila jamesii 5
Chirita tamiana 3
×Chitalpa tashkentensis 10
×Chitalpa tashkentensis 'Morning Cloud' 9
×Chitalpa tashkentensis 'Pink Dawn' 3
Chlidanthus fragrans 3
Chloranthus 3
Chloranthus erectus 3
Chloranthus fortunei 5
Chloranthus fortunei 'Domino' 2
Chloranthus henryi 1
Chloranthus japonicus 17
Chloranthus japonicus (cream margin) 2
Chloranthus japonicus (gold margin) 3
Chloranthus japonicus (green center) 1
Chloranthus japonicus (green pom pom) 3
Chloranthus japonicus (yellow leaf) 1
Chloranthus multistachys 3
Chloranthus oldhamii 1
Chloranthus serratus 8
Chloranthus sessilifolius var. austrosinensis 12
Chloranthus sessilifolius 'Get Shorty' 8
Chloranthus spicatus 1
Chlorophytum 2
Chlorophytum cf. bowkeri 11
Chlorophytum capense 1
Chlorophytum comosum 1
Chlorophytum krookianum 3
Chlorophytum majus 2
Chlorophytum saundersiae 3
Choerospondias axillaris 1
Choisya arizonica 1
Choisya 'Aztec Gold' 3
Choisya ×dewitteana 'Aztec Pearl' 24
Choisya ×dewitteana 'Limo' 6
Choisya ternata 7
Choisya ternata 'Sundance' 17
Chordospartium stevensonii 6
Chorisia speciosa 7
Chrysactinia mexicana 41
Chrysanthemoides incana 2
Chrysanthemopsis hosemariensis 1
Chrysanthemum 307
Chrysanthemum (15-501 yellow) 15
Chrysanthemum 'Brandywine Sunset' 6
Chrysanthemum 'Cathy's Rust' 3
Chrysanthemum 'Country Girl' 8
Chrysanthemum (double cream) 5
Chrysanthemum (Elizabeth Lawrence pink) 6
Chrysanthemum 'Firefall' 1
Chrysanthemum 'Gethsemane Moonlight' 10
Chrysanthemum 'Golden Lida Thomas' 8
Chrysanthemum ×grandiflorum 245
Chrysanthemum 'Lavender Lady' 4
Chrysanthemum 'Miss Gloria's Thanksgiving Day' 18
Chrysanthemum morifolium 'Froggy' 4
Chrysanthemum 'Sheffield Pink' 6
Chrysanthemum (single red) 4
Chrysanthemum 'Venus' 6
Chrysanthemum 'Virginia's Sunshine' 5
Chrysanthemum weyrichii 1
Chrysanthemum weyrichii 'Apricot' 8
Chrysocephalum apiculatum 'Flochrora' 3
Chrysogonum virginianum 31
Chrysogonum virginianum 'Allen Bush' 5
Chrysogonum virginianum 'Eco Lacquered Spider' 4
Chrysogonum virginianum 'Pierre' 5
Chrysogonum virginianum 'Quinn's Gold' 5
Chrysojasminum bignoniaceum 2
Chrysojasminum floridum 2
Chrysojasminum fruticans 1
Chrysojasminum humile 4
Chrysojasminum parkeri 10
Chrysosplenium macrophyllum 1
Chrysothamnus nauseosus 1
Chrysothemis pulchella 3
Chuniophoenix hainanensis 1
Chusquea culeou 4
Chusquea sulcata 1
Cibotium barometz 1
Cibotium glaucum 2
Cichorium intybus 4
Cichorium spinosum 1
Cinnamomum 5
Cinnamomum camphora 38
Cinnamomum camphora 'Majestic Beauty' 1
Cinnamomum chekiangense 6
Cinnamomum glanduliferum 2
Cinnamomum japonicum 17
Cinnamomum japonicum 'Harlequin' 3
Cinnamomum jensenianum 4
Cinnamomum micranthum 6
Cinnamomum parthenoxylon 2
Cinnamomum verum 2
Cinnamomum wilsonii 9
Circium 1
Circium vulgare 3
Cirsium eatonii 1
Cirsium japonicum 'Shiro Fukurin Fu' 2
Cirsium neomexicanum 1
Cirsium scariosum 1
Cirsium scopulorum 5
Cissus 1
Cissus antarctica 3
Cissus discolor 5
Cissus trifoliata 8
Cistus 11
Cistus albidus 1
Cistus ×corbariensis 2
Cistus creticus 4
Cistus crispus 3
Cistus 'Grayswood Pink' 1
Cistus incanus 1
Cistus inflatus 3
Cistus ladanifer 3
Cistus laurifolius 4
Cistus libanotis 'Major' 1
Cistus 'McGuire's Gold' 17
Cistus 'Mickie' 30
Cistus monspeliensis 1
Cistus psilosepalus 11
Cistus pulverulentus 'Sunset' 14
Cistus ×purpureus 1
Cistus salviifolius 17
Cistus 'Snow Fire' 3
Cistus ×stenophyllus 1
×Citrofortunella microcarpa 2
×Citrofortunella microcarpa 'Tiger' 5
Citrullus lanatus 18
Citrus 38
Citrus ×aurantium 2
Citrus cavaleriei 14
Citrus cavaleriei × C. maxima 3
Citrus japonica 5
Citrus japonica (sweet peel) 2
Citrus latipes 1
Citrus reticulata 4
Citrus reticulata 'Changsa' 1
Citrus ×sinensis 7
Citrus (trifoliata × auranticum) 5
Citrus trifoliata 'Flying Dragon' 25
Cladrastis 1
Cladrastis kentukea 26
Cladrastis kentukea 'Perkins Pink' 23
Cladrastis platycarpa 12
Cladrastis sinensis 'China Rose' 6
Claytonia 2
Claytonia lanceolata 2
Claytonia megarhiza 18
Claytonia perfoliata 5
Claytonia virginica 30
Cleistes bifaria 10
Cleistes divaricata 21
Clematis 109
Clematis addisonii 18
Clematis afoliata 3
Clematis akebioides 1
Clematis 'Alionushka' 1
Clematis alpina 1
Clematis 'Arabella' 2
Clematis armandii 19
Clematis armandii 'Snowdrift' 2
Clematis 'Betty Corning' 29
Clematis 'Bill MacKenzie' 4
Clematis ×cartmanii 'Sweet Hart' 1
Clematis 'Chalcedony' 1
Clematis cirrhosa 10
Clematis cirrhosa var. purpurascens 'Freckles' 10
Clematis 'Cleminov 51' 6
Clematis 'Cleminov29' 4
Clematis crispa 2
Clematis 'Daihelios' 2
Clematis ×durandii 5
Clematis (evergreen) 3
Clematis 'Fairy' 2
Clematis 'Fireworks' 11
Clematis flabellata 3
Clematis florida 'Sieboldii' 1
Clematis forsteri 6
Clematis fremontii 40
Clematis fusijamana 2
Clematis heracleifolia 2
Clematis heracleifolia var. davidiana 3
Clematis hirsutissima 35
Clematis integrifolia 13
Clematis integrifolia 'Alba' 13
Clematis integrifolia 'Pangbourne Pink' 3
Clematis integrifolia 'Rose Colored Glasses' 6
Clematis 'Jackmanii' 1
Clematis japonica 5
Clematis japonica 'Golden Necklace' 3
Clematis 'Kilian Donahue' 7
Clematis ligusticifolia 3
Clematis macropetala 2
Clematis montana 2
Clematis montana 'Rubens' 10
Clematis 'Niobe' 1
Clematis occidentalis var. grosseserrata 2
Clematis ochroleuca 21
Clematis orientalis 'Bill MacKenzie' 3
Clematis 'Pagoda' 4
Clematis paniculata 5
Clematis patens 1
Clematis pauciflora 2
Clematis 'Princess Diana' 6
Clematis recta 2
Clematis recta 'Lime Close' 7
Clematis recta 'Purpurea' 7
Clematis reticulata 1
Clematis reticulata × C. texensis 17
Clematis 'Rooguchi' 4
Clematis 'Rüütel' 3
Clematis 'Scented Clem' 4
Clematis 'Stand by Me' 3
Clematis stans 5
Clematis stans (yellow splash) 1
Clematis tangutica 5
Clematis terniflora 5
Clematis terniflora var. mandshurica 1
Clematis texensis 11
Clematis versicolor 4
Clematis villosa 7
Clematis 'Violet Stardust' 3
Clematis viorna 1
Clematis [Viticella Group] 'Étoile Violet' 3
Clematis 'Wada's Primrose' 2
Clematis 'Zoprika' 3
Cleome 29
Cleome hassleriana 9
Cleome 'Inclesbimp' 9
Cleome 'Inncleosr' 12
Cleome serrulata 1
Clerodendrum 3
Clerodendrum bungei 8
Clerodendrum chinense 'Pleniflorum' 2
Clerodendrum cyrtophyllum 6
Clerodendrum indicum 3
Clerodendrum myricoides 'Ugandense' 1
Clerodendrum paniculatum 3
Clerodendrum paniculatum 'Starshine' 6
Clerodendrum quadriloculare 3
Clerodendrum speciosissimum 15
Clerodendrum splendens 2
Clerodendrum thomsoniae 5
Clerodendrum thomsoniae 'Variegata' 3
Clerodendrum trichotomum 13
Clerodendrum trichotomum 'Carnival' 3
Clerodendrum trichotomum var. fargesii 9
Clerodendrum trichotomum 'Skylands Form' 6
Clerodendrum trichotomum 'Variegata' 2
Clerodendrum wallichii 3
Clethra 18
Clethra alnifolia 17
Clethra alnifolia 'Creel's Calico' 3
Clethra alnifolia 'Hokie Pink' 9
Clethra alnifolia 'Hummingbird' 4
Clethra alnifolia 'Pink Spires' 1
Clethra alnifolia 'Rosea' 1
Clethra alnifolia 'Ruby Spice' 21
Clethra alnifolia 'Sherry Sue' 12
Clethra alnifolia 'Sixteen Candles' 4
Clethra alnifolia 'Sotite' 1
Clethra barbinervis 18
Clethra barbinervis 'Takeda Nishiki' 5
Clethra delavayi 2
Clethra faberi 1
Clethra fargesii 4
Clethra mexicana 5
Clethra monostachya 2
Clethra poilanei 2
Clethra pringlei 7
Clethra tomentosa 3
Clethra tomentosa 'Woodlander's Sarah' 3
Clethra (X06652-3) 2
Cleyera fortunei (variegated sport) 1
Cleyera integrifolia 1
Cleyera japonica 2
Cleyera japonica (Duncan & Davies form) 4
Cleyera japonica 'Fortunei' 3
Cleyera japonica 'Hosoba Fukurin' 6
Cleyera japonica 'Tokyo Sunrise' 3
Cleyera japonica 'Variegata' 9
Clianthus maximus 3
Clianthus maximus 'Kaka King' 4
Clianthus puniceus 5
Clianthus puniceus 'Albus' 2
Cliftonia monophylla 11
Cliftonia monophylla 'Chipola Pink' 6
Cliftonia monophylla 'Dodd's Pink' 6
Clinopodium arkansanum 2
Clinopodium ashei (Tattnall Co., GA) 2
Clinopodium coccineum 16
Clinopodium coccineum 'Ohoopee Yellow' 14
Clinopodium georgianum 5
Clinopodium grandiflorum 3
Clinopodium laxiflorum 1
Clinopodium nepeta 3
Clinopodium nepeta subsp. glandulosum 'White Cloud' 11
Clinopodium nepeta 'Montrose White' 4
Clinopodium nepeta subsp. nepeta 7
Clintonia andrewsiana 14
Clintonia borealis 7
Clivia 11
Clivia caulescens 3
Clivia ×cyrtanthiflora 2
Clivia miniata 22
Clivia miniata 'Variegata' 1
Clivia nobilis 3
Clivia (variegated) 1
Clusia lanceolata 1
Cnidoscolus urens 4
Cobaea scandens 2
Cobaea scandens f. alba 4
Coccoloba uvifera 12
Coccothrinax 1
Coccothrinax argentata 3
Cocos nucifera 72
Codiaeum 9
Codiaeum variegatum 4
Codiaeum variegatum 'Stewartii' 1
Codiaeum variegatum 'Yellow Thai' 1
Codonopsis 3
Codonopsis kawakamii 1
Codonopsis ussuriensis 2
Coffea arabica 13
Colchicum 39
Colchicum autumnale 17
Colchicum bulbicodium 6
Colchicum soboliferum 9
Colchicum speciosum 'Atrorubens' 1
Colchicum tenorei 7
Colchicum troodii 1
Colchicum 'Violet Queen' 1
Colchicum 'Waterlily' 5
Colletia armata 2
Colletia hystrix 2
Colletia paradoxa 13
Collinsia grandiflora 7
Collinsonia canadensis 1
Collinsonia verticillata 3
Collomia linearis 2
Colocasia 17
Colocasia antiquorum 'Illustris' 14
Colocasia 'Diamond Head' 2
Colocasia 'Elena' 3
Colocasia esculenta 23
Colocasia esculenta 'Aloha' 12
Colocasia esculenta 'Black Coral' 4
Colocasia esculenta 'Black Magic' 15
Colocasia esculenta 'Blue Hawaii' 14
Colocasia esculenta 'Burgundy Stem' 10
Colocasia esculenta 'Coffee Cups' 8
Colocasia esculenta 'Elepaio' 1
Colocasia esculenta 'Fontanesii' 11
Colocasia esculenta 'Hawaiian Punch' 1
Colocasia esculenta 'Jack's Giant' 3
Colocasia esculenta 'Lemonade' 1
Colocasia esculenta 'Lime Green Gecko' 3
Colocasia esculenta 'Maui Gold' 4
Colocasia esculenta 'Mojito' 1
Colocasia esculenta 'Nancy's Revenge' 3
Colocasia esculenta 'Pink China' 2
Colocasia esculenta 'Rhubarb' 3
Colocasia esculenta 'Waikiki' 1
Colocasia esculenta 'White Lava' 2
Colocasia fallax 4
Colocasia gigantea 6
Colocasia gigantea 'Laosy Giant' 12
Colocasia gigantea (Thailand giant form) 55
Colocasia 'Kona Coffee' 1
Colocasia 'Madeira' 6
Colocasia 'Noble Gigante' 3
Colocasia 'White Lava' 7
Cologania angustifolia 2
Colquhounia coccinea 3
Columnea 2
Columnea minor 2
Colutea arborescens 3
Colutea ×media 2
Colutea persica 2
Colysis elliptica 'Hakusai Rami' 1
Comanthosphace japonica 'Gin Santo Naka Fu' 3
Comanthosphace japonica 'Golden Angel' 1
Comanthosphace stellipilum 10
Comanthosphace stellipilum 'Frosty' 5
Comanthosphace stellipilum 'Variegatum' 5
Commelina 1
Comptonia peregrina 2
Conandron ramondioides 2
Conandron ramondioides (variegated) 2
Conanthera campanulata 4
Coniogramme 3
Coniogramme emeiensis 'Golden Zebra' 2
Coniogramme gracilis 2
Coniogramme intermedia 'Rasha' 4
Coniogramme intermedia 'Yoroi Musha' 6
Coniogramme japonica 3
Coniogramme japonica 'Variegata' 2
Coniogramme jinggangshanensis 'Shishi' 10
Conocarpus erectus 2
Conocarpus erectus var. sericeus 6
Conoclinium coelestinum 10
Conoclinium dissectum 4
Conopholis americana 6
Conradina 1
Conradina (ALI-65 South) 5
Conradina canescens 12
Conradina etonia 6
Conradina verticillata 1
Consolida ajacis 16
Convallaria 7
Convallaria keiskei (streaked) 2
Convallaria keiskei (stripe) 1
Convallaria majalis 18
Convallaria majalis 'Fernwood's Golden Slippers' 1
Convallaria majalis 'Flore Pleno' 5
Convallaria majalis 'Golden Jubilee' 1
Convallaria majalis 'Potsdam Stripe' 1
Convallaria majalis var. rosea 1
Convallaria majalis 'Striata' 3
Convolvulus 6
Convolvulus althaeoides 10
Convolvulus assyricus 1
Convolvulus cneorum 4
Convolvulus mauritanicus 43
Convolvulus mauritanicus (white mutation) 8
Convolvulus sabatius 2
Copernicia alba 1
Copernicia baileyana 5
Copernicia fallaensis 1
Copernicia macroglossa 8
Coprosma dodonaeifolia 3
Coprosma intertexta 1
Coprosma ×kirkii 'Variegata' 3
Coprosma lucida 2
Coprosma macrocarpa 2
Coprosma 'Middlemore' 1
Coprosma petriei 3
Coprosma propinqua 4
Coprosma 'Rainbow Surprise' 2
Coprosma repens 'Poor Knights' 1
Coprosma robusta 'Williamsii Variegata' 1
Coprosma rubra 1
Coprosma rugosa 'Lobster' 3
Coprosma 'Taiko' 2
Coprosma virescens 2
Coprosma virescens 'Pink Stems' 1
Coptis japonica var. dissecta 2
Corallorhiza maculata 17
Corallorhiza striata 2
Corallorhiza stricta 1
Cordyline 15
Cordyline australis 22
Cordyline australis 'Albertii' 1
Cordyline australis 'Karo Kiri' 2
Cordyline australis 'Red Sensation' 2
Cordyline australis 'Red Star' 1
Cordyline banksii 4
Cordyline fruticosa 10
Cordyline fruticosa 'Firebrand' 1
Cordyline fruticosa 'Red Sister' 2
Cordyline fruticosa 'Variegata' 1
Cordyline indivisa 8
Cordyline obtecta 1
Cordyline 'Red Fountain' 1
Coreopsis 14
Coreopsis auriculata 4
Coreopsis auriculata 'Nana' 2
Coreopsis auriculata 'Zamphir' 2
Coreopsis 'Autumn Blush' 2
Coreopsis 'Baluptgonz' 1
Coreopsis 'Baluptred' 5
Coreopsis 'Candlelight' 1
Coreopsis 'Cherry Pie' 2
Coreopsis 'Citrine' 2
Coreopsis 'Creme Brulee' 9
Coreopsis gigantea 8
Coreopsis gladiata 3
Coreopsis grandiflora 1
Coreopsis grandiflora 6
Coreopsis 'Heaven's Gate' 4
Coreopsis helianthoides 4
Coreopsis integrifolia 9
Coreopsis 'Limerock Ruby' 3
Coreopsis major 1
Coreopsis 'Mercury Rising' 5
Coreopsis palustris 'Summer Sunshine' 0
Coreopsis 'Pineapple Pie' 2
Coreopsis 'Pinwheel' 3
Coreopsis rosea 2
Coreopsis rosea 'Alba' 4
Coreopsis 'Ruby Frost' 2
Coreopsis 'Rum Punch' 5
Coreopsis 'Starlight' 5
Coreopsis 'Starstruck' 13
Coreopsis 'Sunshine Suzy' 3
Coreopsis 'Sweet Dreams' 2
Coreopsis tinctoria 4
Coreopsis tripteris 3
Coreopsis tripteris 'Lightning Flash' 1
Coreopsis verticillata 8
Coreopsis verticillata 'Moonbeam' 10
Coreopsis verticillata 'Route 66' 3
Coreopsis verticillata 'Zagreb' 7
Coriaria 8
Coriaria japonica 2
Coriaria japonica subsp. intermedia 2
Coriaria nepalensis 2
Coriaria terminalis 3
Coriaria terminalis var. xanthocarpa 1
Cornukaempferia aurantiflora 'Jungle Gold' 2
Cornus 81
Cornus aff. alba 3
Cornus alba 'Bailhalo' 2
Cornus alba 'Cream Cracker' 3
Cornus alba 'Elegantissima' 4
Cornus alba 'Minbat' 7
Cornus alba 'Regnzam' 7
Cornus alba 'Siberian Pearls' 2
Cornus alba 'Sibirica' 3
Cornus alba 'Spaethii' 1
Cornus alba 'Stdazam' 5
Cornus alba 'UMN970507' 2
Cornus alternifolia 10
Cornus alternifolia 'Argentea' 9
Cornus alternifolia 'Bachone' 3
Cornus alternifolia 'Silver Giant' 1
Cornus alternifolia 'Variegata' 4
Cornus alternifolia 'Wstackman' 12
Cornus amomum 'Cayenne' 6
Cornus amomum subsp. obliqua 10
Cornus australis 15
Cornus canadensis 17
Cornus capitata 5
Cornus capitata subsp. emeiensis 13
Cornus capitata 'Mountain Moon' 1
Cornus chinensis 2
Cornus controversa 45
Cornus controversa 'Janine' 2
Cornus controversa 'June Snow' 2
Cornus controversa 'Laska' 5
Cornus controversa 'Pagoda' 3
Cornus controversa 'Troya Dwarf' 2
Cornus controversa 'Variegata' 40
Cornus 'Eddie's White Wonder' 11
Cornus elliptica 12
Cornus elliptica 'Elsbry' 45
Cornus elliptica 'First Choice' 20
Cornus elliptica 'NCCE1' 6
Cornus eydeana 2
Cornus florida 143
Cornus florida 'Appalachian Spring' 7
Cornus florida 'Autumn Gold' 4
Cornus florida 'Barton' 1
Cornus florida 'Cherokee Daybreak' 2
Cornus florida 'Cherokee Sunset' 5
Cornus florida 'Cherokee Sunset Gold' 1
Cornus florida 'Dixie Colonnade' 13
Cornus florida 'First Lady' 4
Cornus florida 'Little Princess' 1
Cornus florida 'Pendula' 14
Cornus florida 'Pluribracteata' 25
Cornus florida 'Pumpkin Patch' 7
Cornus florida 'Pygmaea' 13
Cornus florida f. rubra 15
Cornus florida 'Rutnut' 5
Cornus florida 'Suwanee Squat' 22
Cornus florida 'Unryu' 2
Cornus florida subsp. urbiniana 15
Cornus florida 'Welchii' 3
Cornus florida 'Xanthocarpa' 1
Cornus foemina 6
Cornus 'Gloria Birkett' 4
Cornus hongkongensis 6
Cornus aff. hongkongensis 1
Cornus hongkongensis 'Gekkou' 26
Cornus hongkongensis subsp. melanotricha 3
Cornus hongkongensis subsp. tonkinensis (white speckle) 2
Cornus aff. hongkongensis (white fruit) 1
Cornus iberica 4
Cornus 'Kenwyn Clapp' 4
Cornus 'KF1-1' 4
Cornus 'KN30-8' 10
Cornus 'KN4-43' 2
Cornus kousa 97
Cornus kousa 'Akatsuki' 2
Cornus kousa 'Blue Shadow' 12
Cornus kousa × C. nuttallii 'KN4-43' 3
Cornus kousa subsp. chinensis 'Propzam' 12
Cornus kousa subsp. chinensis 'Samzam' 5
Cornus kousa 'Elizabeth Lustgarten' 11
Cornus kousa 'Galzam' 1
Cornus kousa 'Gold Crown' 1
Cornus kousa 'Gold Star' 9
Cornus kousa 'Greensleeves' 9
Cornus kousa 'King' 1
Cornus kousa 'Kristin Lipka's Variegated Weeper' 6
Cornus kousa 'Limon Ripple' 8
Cornus kousa 'Little Beauty' 1
Cornus kousa 'Losely' 5
Cornus kousa 'Lustgarten Weeping' 33
Cornus kousa 'Madison' 6
Cornus kousa 'Medusa' 4
Cornus kousa 'Milky Way' 1
Cornus kousa 'Rutpink' 0
Cornus kousa 'Satomi' 5
Cornus kousa 'Snowboy' 2
Cornus kousa 'Steeple' 2
Cornus kousa 'Summer Fun' 3
Cornus kousa 'Summer Games' 1
Cornus kousa 'Summer Gold' 3
Cornus kousa 'Trinity Star' 12
Cornus kousa 'White Ball' 6
Cornus kousa 'White Dusted' 4
Cornus kousa 'Wolf Eyes' 8
Cornus macrophylla 23
Cornus mas 28
Cornus mas 'Aurea' 9
Cornus mas 'Aureoelegantissima' 4
Cornus mas 'Elegant' 5
Cornus mas 'Flava' 7
Cornus mas 'JFS PN4Legacy' 1
Cornus mas 'Pioneer' 11
Cornus mas 'Ukraine Yellow' 3
Cornus mas 'Variegata' 29
Cornus mas 'Vidubetskii' 5
Cornus mas (yellow-fruited) 4
Cornus 'Michael Steinhardt' 5
Cornus 'NCCH1' 5
Cornus 'Norman Hadden' 4
Cornus nuttallii 8
Cornus officinalis 43
Cornus officinalis 'Kintoki' 39
Cornus officinalis 'Spring Glow' 27
Cornus omeiense 'Summer Passion' 2
Cornus 'Porlock' 12
Cornus pumila 6
Cornus quinquenervis 14
Cornus racemosa 1
Cornus 5
Cornus rugosa 4
Cornus 'Rutban' 3
Cornus 'Rutcan' 48
Cornus (Rutdan variegated) 2
Cornus 'Rutgan' 4
Cornus 'Rutlan' 4
Cornus sanguinea 1
Cornus sanguinea 'Anny's Winter Orange' 6
Cornus sanguinea 'Midwinter Fire' 94
Cornus sanguinea 'Winter Beauty' 5
Cornus stolonifera 6
Cornus stolonifera 'Allemans Compact' 1
Cornus stolonifera 'Avalon Gold' 8
Cornus stolonifera 'Baileyi' 2
Cornus stolonifera 'Cardinal' 7
Cornus stolonifera 'Flaviramea' 5
Cornus stolonifera 'Hedgerow's Gold' 2
Cornus stolonifera 'Neil Z' 4
Cornus stolonifera 'Silver and Gold' 2
Cornus walteri 4
Cornus wilsoniana 16
Cornus wilsoniana 'White Jade' 38
Corokia cotoneaster 24
Corokia macrocarpa 3
Corokia 'Sunsplash' 2
Corokia ×virgata 7
Corokia ×virgata 'Bronze King' 3
Corokia ×virgata 'Bronze Lady' 2
Corokia ×virgata 'Red Wonder' 1
Coronilla varia 3
Correa backhouseana 2
Correa bicolor 3
Cortaderia 5
Cortaderia araucana 3
Cortaderia selloana 11
Cortaderia selloana 'Aureolineata' 4
Cortaderia selloana 'Blue Bayou' 28
Cortaderia selloana 'Gold Band' 1
Cortaderia selloana 'Sunningdale Silver' 25
Corydalis 14
Corydalis aurea 4
Corydalis 'Blackberry Wine' 5
Corydalis 'Canary Feathers' 1
Corydalis cheilanthifolia 5
Corydalis flavula 1
Corydalis flexuosa 4
Corydalis flexuosa 'Blue Skies' 2
Corydalis flexuosa 'China Blue' 3
Corydalis heterocarpa 4
Corydalis leucanthema 'Silver Spectre' 5
Corydalis lutea 16
Corydalis solida 1
Corydalis solida 'Beth Evans' 13
Corydalis solida 'George P. Baker' 9
Corydalis solida 'Purple Bird' 11
Corylopsis 19
Corylopsis glabrescens 7
Corylopsis glabrescens var. gotoana 39
Corylopsis glabrescens var. gotoana 'March Jewel' 16
Corylopsis glandulifera 11
Corylopsis pauciflora 23
Corylopsis sinensis 16
Corylopsis sinensis var. calvescens f. veitchiana 55
Corylopsis spicata 51
Corylopsis spicata 'Golden Spring' 20
Corylopsis spicata 'Ogon' 2
Corylopsis spicata 'Tosa Kasumi' 1
Corylopsis willmottiae 4
Corylus 3
Corylus americana 8
Corylus avellana 'Aurea' 6
Corylus avellana 'Contorta' 41
Corylus avellana 'Fuscorubra' 1
Corylus avellana 'Heterophylla' 9
Corylus avellana 'Pendula' 1
Corylus avellana 'Red Majestic' 9
Corylus chinensis 7
Corylus colurna 4
Corylus fargesii 3
Corylus heterophylla var. sutchuenensis 2
Corylus maxima 3
Corylus maxima 'Purpurea' 5
Corylus maxima 'Rote Zeller' 5
Corynocarpus laevigatus 'Moonlight' 2
Corynocarpus laevigatus 'Picturata' 3
Corynocarpus laevigatus 'Variegatus' 2
Corypha umbraculifera 3
Coryphantha echinus 2
Coryphantha sulcata 15
Coryphantha vaupeliana 1
Cosmos 16
Cosmos atrosanguineus 6
Cosmos bipinnatus 15
Cosmos bipinnatus 'Sonata White' 1
Cosmos bipinnatus 'Xanthos' 6
Cosmos parviflorus 1
Cosmos sulphureus 82
Costus barbatus 3
Costus curvibracteatus 10
Costus pictus 11
Costus speciosus 8
Costus speciosus 'Variegata' 1
Costus stenophyllus 1
Cotinus 15
Cotinus coggygria 19
Cotinus coggygria 'Ancot' 40
Cotinus coggygria 'Black Velvet' 11
Cotinus coggygria 'Daydream' 3
Cotinus coggygria 'Little Ruby' 3
Cotinus coggygria 'Old Fashioned' 5
Cotinus coggygria 'Royal Purple' 9
Cotinus coggygria 'White Marvel' 1
Cotinus coggygria (white splashed) 1
Cotinus coggygria 'Young Lady' 13
Cotinus 'Grace' 19
Cotinus obovatus 6
Cotoneaster 23
Cotoneaster apiculatus 1
Cotoneaster atropurpureus 'Variegatus' 2
Cotoneaster bullatus 2
Cotoneaster cashmiriensis 2
Cotoneaster dammeri 5
Cotoneaster dammeri 'Coral Beauty' 5
Cotoneaster dammeri 'Streib's Findling' 5
Cotoneaster fangianus 15
Cotoneaster franchetii 17
Cotoneaster glaucophyllus 8
Cotoneaster horizontalis 7
Cotoneaster horizontalis 'Variegatus' 4
Cotoneaster lancasteri 3
Cotoneaster microphyllus 3
Cotoneaster microphyllus 'Cochleatus' 2
Cotoneaster mingkwongensis 2
Cotoneaster morrisonensis 4
Cotoneaster pannosus 5
Cotoneaster 'Rothschildianus' 2
Cotoneaster rotundifolius var. lanatus 3
Cotoneaster salicifolius 1
Cotoneaster salicifolius 'Avonbank' 6
Cotoneaster salwinensis 4
Cotula 1
Cotula hispida 8
Cotula squalida 1
Cotyledon 1
Cotyledon orbiculata 4
Cotyledon orbiculata var. oblonga 9
Couroupita guianensis 12
Craibiodendron yunnanensis 7
Crambe maritima 6
Crassula 1
Crassula corallina 3
Crassula ovata 6
Crassula peploides 2
Crassula (pink flower) 1
Crataegus 6
Crataegus columbiana 9
Crataegus crus-galli 4
Crataegus laevigata 'Crimson Cloud' 5
Crataegus marshallii 6
Crataegus monogyna 2
Crataegus monogyna 'Inermis Compacta' 1
Crataegus phaenopyrum 6
Crataegus pubescens f. stipulacea 3
Crataegus pulcherrima 16
Crataegus spathulata 2
Crataegus viridis 'Winter King' 3
Cremastra appendiculata 16
Crepis 2
Crepis acuminata 4
Crepis rubra 5
Crinodendron hookerianum 15
Crinodendron hookerianum 'Ada Hoffmann' 0
Crinodendron patagua 4
Crinum 32
Crinum 'Alamo Village' 15
Crinum americanum 2
Crinum americanum × C. mooreii (Mrs. Hannibal's Form) 5
Crinum asiaticum 4
Crinum asiaticum var. japonicum 6
Crinum asiaticum var. procerum f. splendens 14
Crinum ×augustum 5
Crinum ×baconi 'Maurine Spinks' 1
Crinum 'Bambino' 0
Crinum 'Bradley' 9
Crinum bulbispermum 30
Crinum bulbispermum 'Jumbo' 2
Crinum buphanoides (PDN#64) 1
Crinum 'Burgundy' 3
Crinum 'Carolina Beauty' 13
Crinum 'Cecil Houdyshel' 27
Crinum 'Claude Davis' 10
Crinum ×digweedii 11
Crinum ×digweedii 'Mahon' 19
Crinum ×digweedii 'Red Flare' 1
Crinum (dwarf) 6
Crinum ×eboracii 'Twelve Apostles' 10
Crinum 'Eden' 0
Crinum 'Elizabeth Traub' 8
Crinum 'Ellen Bosanquet' 7
Crinum 'Faye Hornbuckle' 0
Crinum 'Fiesta' 8
Crinum firmifolium 3
Crinum ×gowenii 'Mary's Pride' 1
Crinum ×herbertii 'Carnival' 11
Crinum ×herbertii 'Caroll Abbott' 8
Crinum ×herbertii 'Cecil's Choice' 0
Crinum ×herbertii 'Paul Bunyan' 2
Crinum ×herbertii (pink keal) 8
Crinum ×herbertii (red keel) 7
Crinum ×herbertii 'Schreck' 15
Crinum hildebrandtii (PDN #2 Madagascar) 7
Crinum 'Improved Peach Blow' 8
Crinum 'Infusion' 6
Crinum jagus 4
Crinum 'Jubilee' 10
Crinum 'Kim Maureen' 1
Crinum 'Kridler Clone' 4
Crinum 'Lorraine Clark' 0
Crinum macowanii 1
Crinum 'Maiden's Blush' 7
Crinum 'Menehune' 2
Crinum moorei (pink hybrid) 4
Crinum 'Mrs. Horace Kennedy' 0
Crinum 'Mrs. James Hendry' 4
Crinum 'Mystery' 10
Crinum 'Peachblow' 13
Crinum 'Pink Flamingo' 10
Crinum 'Pink Trumpet' 3
Crinum ×powellii 18
Crinum ×powellii 'Kitty Clint' 7
Crinum 'Rose Parade' 0
Crinum 'Royalty' 0
Crinum 'Sangria' 27
Crinum 'So Sweet' 0
Crinum 'Summer Glow' 10
Crinum 'Summer Nocturne' 9
Crinum 'Sundance' 1
Crinum 'Super Ellen' 6
Crinum 'White Queen' 21
Crinum zeylanicum 1
Crocosmia 19
Crocosmia ×crocosmiiflora 'Emily McKenzie' 3
Crocosmia ×crocosmiiflora 'George Davidson' 10
Crocosmia ×crocosmiiflora 'Tobias' 3
Crocosmia ×crocosmiiflora 'Venus' 1
Crocosmia 'Emberglow' 1
Crocosmia 'Gold Dragon' 3
Crocosmia 'Jenny Bloom' 6
Crocosmia 'Lucifer' 6
Crocosmia masoniorum 2
Crocosmia 'Mistral' 2
Crocosmia 'Solfaterre' 4
Crocosmia 5
Crocosmia 'Walbreyes' 2
Crocus 64
Crocus ancyrensis 'Golden Bunch' 19
Crocus angustifolius 7
Crocus angustifolius (bronze-flowered) 5
Crocus biflorus 'Miss Vain' 15
Crocus cancellatus 2
Crocus cartwrightianus 'Albus' 10
Crocus chrysanthus 4
Crocus chrysanthus 'Ard Schenk' 14
Crocus chrysanthus 'Blue Bird' 5
Crocus chrysanthus 'Blue Pearl' 21
Crocus chrysanthus 'Cream Beauty' 8
Crocus chrysanthus 'E. P. Bowles' 2
Crocus chrysanthus 'Fuscotinctus' 6
Crocus chrysanthus 'Goldilocks' 8
Crocus chrysanthus 'Herald' 16
Crocus chrysanthus 'Ladykiller' 5
Crocus chrysanthus 'Prins Klaus' 1
Crocus chrysanthus 'Romance' 6
Crocus chrysanthus 'Zwanenburg Bronze' 4
Crocus corsicus 8
Crocus etruscus 'Zwanenburg' 32
Crocus flavus 1
Crocus flavus 'Golden Yellow' 12
Crocus 'Florane' 5
Crocus goulimyi 2
Crocus imperati 'De Jager' 43
Crocus isauricus 'Spring Beauty' 20
Crocus korolkowii 'Black-Eyed Beauty' 1
Crocus korolkowii 'Kiss of Spring' 2
Crocus korolkowii 'Orange Tiger' 6
Crocus laevigatus 'Fontenayi' 3
Crocus mathewii 4
Crocus minimus 9
Crocus 'Neringa' 3
Crocus niveus (late blooming form) 5
Crocus nudiflorus 4
Crocus ochroleucus 16
Crocus olivieri subsp. balansae 'Zwanenburg' 9
Crocus pulchellus 8
Crocus pulchellus 'Zephyr' 2
Crocus puringii 2
Crocus rujanensis 4
Crocus sativus 13
Crocus sieberi subsp. atticus 16
Crocus sieberi 'Firefly' 9
Crocus sieberi subsp. sublimis 'Tricolor' 11
Crocus 'Snow Bunting' 1
Crocus speciosus 14
Crocus speciosus 'Artabia' 1
Crocus speciosus 'Conqueror' 1
Crocus thirkeanus 1
Crocus tommasinianus 8
Crocus tommasinianus 'Albus' 6
Crocus tommasinianus 'Barr's Purple' 17
Crocus tommasinianus 'Lilac Beauty' 6
Crocus tommasinianus 'Pictus' 3
Crocus tommasinianus 'Roseus' 5
Crocus tommasinianus 'Ruby Giant' 21
Crocus tommasinianus 'Whitewell Purple' 2
Crocus tournefortii 1
Crocus vernus 32
Crocus vernus 'Flower Record' 2
Crocus vernus 'King of the Striped' 1
Crocus vernus 'Remembrance' 1
Crocus vernus 'Vanguard' 4
Crocus versicolor 'Picturatus' 1
Crocus 'Yalta' 11
Crossandra 1
Crossandra infundibuliformis 1
Croton 7
Croton alabamensis 20
Cryptantha 8
Cryptantha cinerea 2
Cryptantha fendleri 2
Cryptantha sericea 4
Cryptantha virgata 3
Cryptanthus 2
Cryptanthus bivittatus 'Pink Starlight' 1
Cryptanthus bivittatus 'Ruby' 1
Cryptogramma acrostichoides 13
Cryptomeria 2
Cryptomeria japonica 72
Cryptomeria japonica 'Al's Blue' 6
Cryptomeria japonica 'Araucarioides' 5
Cryptomeria japonica 'Bandai Sugi' 5
Cryptomeria japonica 'Beaumont's Dwarf' 9
Cryptomeria japonica 'Benjamin Franklin' 4
Cryptomeria japonica 'Birodo Sugi' 7
Cryptomeria japonica 'Black Dragon' 7
Cryptomeria japonica 'Butterball' 8
Cryptomeria japonica 'Chapel View' 1
Cryptomeria japonica 'Compressa' 8
Cryptomeria japonica 'Cristata' 7
Cryptomeria japonica 'Dacrydioides' 7
Cryptomeria japonica 'Ed Woods' 4
Cryptomeria japonica 'Elegans' 14
Cryptomeria japonica 'Elegans Aurea' 7
Cryptomeria japonica 'Elegans Nana' 7
Cryptomeria japonica 'Giokumo' 4
Cryptomeria japonica 'Globosa' 1
Cryptomeria japonica 'Globosa Nana' 6
Cryptomeria japonica 'Golden Promise' 5
Cryptomeria japonica 'Gracilis' 10
Cryptomeria japonica 'Gyokuryu' 4
Cryptomeria japonica 'Knaptonensis' 4
Cryptomeria japonica 'Koshyi' 5
Cryptomeria japonica 'Kusari-sugi' 2
Cryptomeria japonica 'Lemonade' 16
Cryptomeria japonica 'Little Diamond' 4
Cryptomeria japonica 'Littleworth Dwarf' 1
Cryptomeria japonica 'Lobbii' 5
Cryptomeria japonica 'Lobbii Nana Aurea' 1
Cryptomeria japonica 'Magic Dragon' 7
Cryptomeria japonica 'Mejiro' 4
Cryptomeria japonica 'Monstrosa' 5
Cryptomeria japonica 'Mushroom' 2
Cryptomeria japonica 'Nana' 7
Cryptomeria japonica 'Nana Albospica' 5
Cryptomeria japonica 'Pom Pom' 10
Cryptomeria japonica var. radicans 3
Cryptomeria japonica 'Rasen' 8
Cryptomeria japonica 'Rein's Dense Jade' 7
Cryptomeria japonica 'Ryokogu Coyokyu' 1
Cryptomeria japonica 'Ryoku Gyoku' 1
Cryptomeria japonica 'Sekkan' 31
Cryptomeria japonica var. sinensis 25
Cryptomeria japonica var. sinensis 'Green Grizzly' 4
Cryptomeria japonica var. sinensis 'Purple Sentinel' 3
Cryptomeria japonica 'Spg-3-005' 3
Cryptomeria japonica 'Spg-3-014' 2
Cryptomeria japonica 'Spiralis' 2
Cryptomeria japonica 'Spiraliter Falcata' 6
Cryptomeria japonica 'Taisho Tama' 15
Cryptomeria japonica 'Tansu' 8
Cryptomeria japonica 'Tenzan' 1
Cryptomeria japonica 'Tsukumo' 4
Cryptomeria japonica 'Twinkle Toes' 1
Cryptomeria japonica 'Vilmoriniana' 3
Cryptomeria japonica 'Vilmoriniana Gold' 2
Cryptomeria japonica 'Winter Green' 4
Cryptomeria japonica 'Winter Mint' 6
Cryptomeria japonica 'Yellow Twig' 10
Cryptomeria japonica 'Yoshino' 15
Cryptotaenia japonica f. atropurpurea 1
Ctenitis subglandulosa 7
Ctenitis subglandulosa (BJH 1535) 1
Cucumis 4
Cucumis melo 7
Cucumis sativus 17
Cucurbita 3
Cucurbita foetidissima 5
Cucurbita pepo 36
Cunila origanoides 10
Cunninghamia 1
Cunninghamia lanceolata 21
Cunninghamia lanceolata 'Chason's Gift' 27
Cunninghamia lanceolata 'Compacta' 4
Cunninghamia lanceolata 'Compacta' 2
Cunninghamia lanceolata 'Glauca' 7
Cunninghamia lanceolata var. konishii 9
Cunninghamia lanceolata var. konishii (ABG blue) 8
Cunninghamia lanceolata var. konishii 'Little Leo' 1
Cunninghamia lanceolata 'Samurai' 3
Cunninghamia lanceolata 'Tom Dodd's Dwarf' 1
Cunninghamia unicanaliculata 2
Cuphea 13
Cuphea 'Balhoelrel' 1
Cuphea 'Cupver' 7
Cuphea cyanea 1
Cuphea cyanea 'Ashevilla' 9
Cuphea glutinosa 2
Cuphea hyssopifolia 5
Cuphea ignea 4
Cuphea laevis 1
Cuphea melvilla 'David Verity' 9
Cuphea micropetala 22
Cuphea pinetorum 2
Cupressus 18
Cupressus arizonica 8
Cupressus arizonica 'Blue Ice' 8
Cupressus arizonica 'Carolina Sapphire' 13
Cupressus arizonica 'Golden Pyramid' 9
Cupressus arizonica 'Limelight' 27
Cupressus arizonica 'Pyramidalis' 1
Cupressus arizonica 'Raywood Weeping' 3
Cupressus arizonica 'Sapphire Skies' 9
Cupressus arizonica var. stephensonii (dwarf form) 3
Cupressus arizonica 'Sulfurea' 8
Cupressus cashmeriana 11
Cupressus chengiana 7
Cupressus darjeelingensis 4
Cupressus duclouxiana 3
Cupressus dupreziana 1
Cupressus funebris 19
Cupressus gigantea 1
Cupressus goveniana var. pigmaea 1
Cupressus guadalupensis 4
Cupressus guadalupensis var. forbesii 1
Cupressus lusitanica 'Glauca Pendula' 1
Cupressus macrocarpa 27
Cupressus macrocarpa 'Donard Gold' 20
Cupressus macrocarpa 'Golden Pillar' 6
Cupressus macrocarpa 'Greenstead Magnificent' 1
Cupressus macrocarpa 'Horizontalis Ameritiana Aurea' 1
Cupressus macrocarpa 'Lutea' 1
Cupressus macrocarpa 'Saligna Aurea' 10
Cupressus macrocarpa 'Wilma Goldcrest' 6
Cupressus nootkatensis 11
Cupressus nootkatensis 'Aurea' 1
Cupressus nootkatensis 'Compacta' 1
Cupressus nootkatensis 'Glauca Compacta' 2
Cupressus nootkatensis 'Glauca Nana' 1
Cupressus nootkatensis 'Green Arrow' 10
Cupressus nootkatensis 'Jubilee' 22
Cupressus nootkatensis 'Pendula' 27
Cupressus nootkatensis 'Sparkling Arrow' 1
Cupressus nootkatensis 'Van den Akker' 6
Cupressus nootkatensis 'Variegata' 2
Cupressus sargentii 1
Cupressus sempervirens 47
Cupressus sempervirens 'Swane's Golden' 3
Cupressus torulosa 4
Cupressus vietnamensis 6
×Cuprocyparis leylandii 88
×Cuprocyparis leylandii 'Castlewellan' 5
×Cuprocyparis leylandii 'Golconda' 5
×Cuprocyparis leylandii 'Gold Rider' 2
×Cuprocyparis leylandii 'Gold Rider Silver' 2
×Cuprocyparis leylandii 'Green Spire' 7
×Cuprocyparis leylandii 'Harlequin' 5
×Cuprocyparis leylandii 'Mellow Yellow' 1
×Cuprocyparis leylandii 'Naylor's Blue' 1
×Cuprocyparis leylandii 'Picturesque' 27
×Cuprocyparis leylandii 'Silver Dust' 2
×Cuprocyparis leylandii 'Star Wars' 4
×Cuprocyparis ovensii 6
Curculigo aff. crassifolia 4
Curcuma 3
Curcuma aeruginosa 'Indian Surprise' 3
Curcuma angustifolia 1
Curcuma australasica 8
Curcuma 'Candied Apple' 2
Curcuma elata 1
Curcuma myanmarensis 3
Curcuma 'Panama Purple' 2
Curcuma 'Parrenu' 2
Curcuma 'Parvenu' 1
Curcuma petiolata 23
Curcuma petiolata 'Emperor' 17
Curcuma 'Pink Plush' 15
Curcuma 'Purple Tip' 1
Curcuma 'Raspberry' 16
Curcuma 'Royal Scepter' 5
Curcuma 'Sulee Sunshine' 2
Curcuma zedoaria 4
Curtisia dentata 4
Cuscuta 3
Cuscuta pentagona 1
Cussonia paniculata 6
Cyananthus sherriffii 2
Cyanella alba 1
Cyanus cheiranthifolius 1
Cyathea brownii 2
Cyathea dealbata 5
Cyathea kermadecensis 1
Cyathea lepifera 1
Cyathea medullaris 2
Cyathea smithii 2
Cyathea spinulosa 9
Cyathodes parviflora 2
Cycas 10
Cycas (C. bifida × C. taitungensis) × C. taitungensis 5
Cycas circinalis 4
Cycas micronesica 3
Cycas panzhihuaensis 6
Cycas revoluta 39
Cycas segmentifida 1
Cycas taitungensis 5
Cyclamen 58
Cyclamen africanum 9
Cyclamen cilicium 14
Cyclamen coum 61
Cyclamen coum 'Maurice Dryden' 3
Cyclamen coum 'Something Magic' 2
Cyclamen graecum 22
Cyclamen hederifolium 86
Cyclamen hederifolium Album Group 2
Cyclamen hederifolium Album Group (Ian White form) 1
Cyclamen hederifolium Album Group (silver leaf) 12
Cyclamen hederifolium Ashwood Nurseries Silver Leaf Group 19
Cyclamen hederifolium var. hederifolium f. albiflorum 11
Cyclamen hederifolium (pewter arrowhead form) 6
Cyclamen hederifolium 'Silver Arrow' 3
Cyclamen hederifolium (silver leaf) 2
Cyclamen mirabile 1
Cyclamen persicum 20
Cyclamen persicum var. persicum f. puniceum 1
Cyclamen pseudibericum 2
Cyclamen pseudibericum f. roseum 1
Cyclamen purpurascens 25
Cyclamen purpurascens (Fatra form) 5
Cyclamen repandum 2
Cyclamen ×whiteiae 3
Cyclocarya paliurus 1
Cydonia oblonga 11
Cylindropuntia davisii × C. kleiniae 12
Cylindropuntia davisii (gold spine) 1
Cylindropuntia echinocarpa 5
Cylindropuntia imbricata 12
Cylindropuntia imbricata 'Mosaic Melody' 11
Cylindropuntia leptocaulis 1
Cylindropuntia ×multigeniculata 2
Cylindropuntia ramosissima 5
Cylindropuntia spinosior 1
Cylindropuntia versicolor 2
Cylindropuntia ×viridiflora 1
Cylindropuntia whipplei 5
Cylindropuntia whipplei 'Snow Leopard' 1
Cylindropuntia whipplei var. whipplei 20
Cymbalaria muralis 6
Cymbidium 15
Cymbidium eburneum 1
Cymbidium goeringii 6
Cymbidium goeringii 'Chun Li' 5
Cymbidium goeringii 'Early Riser' 6
Cymbidium goeringii 'Taijishan' 1
Cymbidium sinense 12
Cymbopogon citratus 1
Cymophyllus fraserianus 3
Cynanchum 1
Cynanchum ascyrifolium 9
Cynanchum chekiangense 5
Cynara 1
Cynara cardunculus 20
Cynara cardunculus 'Porto Spineless' 1
Cynara cardunculus Scolymus Group 14
Cynara cardunculus [Scolymus Group] 'Green Globe' 54
Cynara humilis 2
Cynara scolymus 11
Cynara syriaca 4
Cynoglossum amabile 4
Cynoglossum officinale 1
Cypella coelestis 25
Cypella herbertii 6
Cypella herbertii subsp. brevicristata 5
Cypella osteniana 2
Cyperus 6
Cyperus albostriatus 'Nanus' 6
Cyperus albostriatus 'Variegatus' 3
Cyperus alternifolius 25
Cyperus alternifolius 'Variegatus' 1
Cyperus 'Baby Tut' 2
Cyperus haspan 1
Cyperus papyrus 37
Cyperus papyrus 19
Cyperus rotundus 4
Cypripedium 17
Cypripedium acaule 28
Cypripedium 'Annegret' 1
Cypripedium calceolus 5
Cypripedium californicum 16
Cypripedium 'Dietrich' 1
Cypripedium formosanum 2
Cypripedium 'Gabriela' 2
Cypripedium japonicum 5
Cypripedium macranthos 1
Cypripedium parviflorum 2
Cypripedium parviflorum var. pubescens 1
Cypripedium 'Philipp' 4
Cypripedium reginae 4
Cyrilla 2
Cyrilla arida 1
Cyrilla parvifolia 4
Cyrilla parvifolia 'Josephine' 2
Cyrilla racemiflora 19
Cyrilla racemiflora 'Graniteville' 5
Cyrilla racemiflora 'Spring Cloud' 2
Cyrtanthus ×henryi 4
Cyrtochilum murinum 1
Cyrtomium 10
Cyrtomium caryotideum 3
Cyrtomium falcatum 5
Cyrtomium falcatum 'Butterfieldii' 3
Cyrtomium falcatum (contorted) 2
Cyrtomium falcatum (dwarf contorted) 1
Cyrtomium falcatum 'Shishi' 2
Cyrtomium falcatum (streaked) 1
Cyrtomium cf. fortunei 2
Cyrtomium fortunei 'Ulleung Island' 3
Cyrtomium urophyllum 1
Cyrtosperma merkusii 2
Cyrtostachys renda 14
Cystopteris fragilis 8
Cytisus 15
Cytisus battandieri 12
Cytisus 'Moonlight' 5
Cytisus ×praecox 1
Cytisus ×praecox 'Hollandia' 1
Cytisus scoparius 6
Cytisus scoparius 'Pendula' 1
Cytisus scoparius 'Prostrata' 1
Daboecia azorica 3
Daboecia cantabrica f. alba 4
Daboecia cantabrica 'Atropurpurea' 10
Daboecia cantabrica 'Bubbles' 2
Daboecia cantabrica 'Rainbow' 2
Dacrycarpus dacrydioides 7
Dacrydium cupressinum 13
Dactylicapnos macrocapnos 20
Dactylicapnos scandens 2
Dactylicapnos scandens 'Athens Yellow' 1
Dactylorhiza 3
Dactylorhiza fuchsii 3
Dactylorhiza ×grandis 3
Dactylorhiza maculata 3
Dactylorhiza praetermissa 1
Dactylorhiza ×transiens 1
Dahlia 176
Dahlia 'Amanda' 1
Dahlia 'Bell Boy' 1
Dahlia 'Bishop of Canterbury' 8
Dahlia 'Bishop of Llandaff' 11
Dahlia 'Bishop of Oxford' 2
Dahlia 'Bishop of York' 7
Dahlia 'Bon Bini' 2
Dahlia 'Classic Elise' 2
Dahlia 'Classic Giselle' 9
Dahlia 'Classic Summertime' 12
Dahlia coccinea 16
Dahlia 10
Dahlia 17
Dahlia 4
Dahlia 'David Howard' 4
Dahlia 'Ellen Huston' 8
Dahlia 'Evelyn Rumbold' 1
Dahlia (ex. 'Knockout') 19
Dahlia (ex. 'Roxy') 12
Dahlia 'Forncett Furnace' 14
Dahlia 'G15307' 7
Dahlia 'Gallery Cobra' 13
Dahlia 'Hidalgo' 10
Dahlia 'Hs Party' 1
Dahlia imperialis 78
Dahlia imperialis (double white) 5
Dahlia 'Joliet' 5
Dahlia 'Karma Gold' 1
Dahlia 'Knockout' 29
Dahlia 'Masquerade' 3
Dahlia merckii 2
Dahlia pinnata 'G13525' 3
Dahlia pinnata 'G14402DAHL' 7
Dahlia 'Roodkapje' 10
Dahlia 'Rosamunde' 2
Dahlia 'Roxy' 4
Dahlia 'Swanlake' 8
Dahlia 'Taxco' 4
Dahlia 'Trelawny' 1
Dahlia 'Twyning's Smartie' 3
Dahlia 'Vaguely Noble' 1
Dahlia 'Ventura' 1
Dahlia 'Veracruz' 14
Dahlia 'Yellow Hammer' 1
Dalbergia hupeana 11
Dalea candida 6
Dalea greggii 4
Dalea lutea 2
Dalea ornata 5
Dalea purpurea 2
Dalechampia dioscoreifolia 2
Dalechampia roezliana 4
Danae racemosa 31
Daphne 47
Daphne acutiloba 4
Daphne arisanensis 4
Daphne bholua 4
Daphne bholua 'Jacqueline Postill' 2
Daphne ×burkwoodii 'Briggs Moonlight' 5
Daphne ×burkwoodii 'Carol Mackie' 12
Daphne caucasica 7
Daphne cneorum 3
Daphne cneorum 'Exima' 3
Daphne cneorum var. pygmaea 'Alba' 2
Daphne cneorum 'Ruby Glow' 1
Daphne collina 5
Daphne genkwa 34
Daphne ×hendersonii 2
Daphne ×hendersonii (pale-flowered) 8
Daphne 'Hinton' 3
Daphne ×houtteana 9
Daphne jasminea 4
Daphne jezoensis 2
Daphne jezoensis 'Suzuki Starburst' 2
Daphne kosaninii 6
Daphne laureola 2
Daphne longilobata 2
Daphne ×mantensiana 3
Daphne mezereum 4
Daphne ×napolitana 2
Daphne odora 32
Daphne odora f. alba 11
Daphne odora 'Albomarginata' 5
Daphne odora 'Aureamarginata Alba' 5
Daphne odora 'Aureomarginata' 63
Daphne odora 'Geisha Girl' 3
Daphne odora 'Hewreb' 19
Daphne odora 'Mae-jima' 12
Daphne odora 'Nakafu' 19
Daphne odora 'Ringmaster' 3
Daphne odora 'Ripple' 9
Daphne odora 'Shinano Nishiki' 11
Daphne odora 'Wild Winter' 5
Daphne odora 'Zuiko Nishiki' 32
Daphne oleoides 2
Daphne oleoides var. kurdica 2
Daphne pseudomezereum 32
Daphne pseudomezereum 'Ginso' 1
Daphne pseudomezereum (green flower) 1
Daphne pseudomezereum 'Mikado' 2
Daphne pseudomezereum 'Sanko Fu' 1
Daphne pseudomezereum 'Yahiko' 1
Daphne retusa 3
Daphne ×schlyteri 12
Daphne sericea 2
Daphne 'Stasek' 8
Daphne ×susannae 'Cheriton' 2
Daphne ×susannae 'Lawrence Crocker' 8
Daphne 'Tage Lundell' 9
Daphne tangutica 8
Daphne ×transatlantica 'Beulah Cross' 8
Daphne ×transatlantica 'Blafra' 8
Daphne ×transatlantica 'Jim's Pride' 1
Daphne ×transatlantica 'Summer Ice' 2
Daphniphyllum 16
Daphniphyllum aff. angustifolium 2
Daphniphyllum angustifolium 1
Daphniphyllum calycinum 10
Daphniphyllum cf. calycinum 3
Daphniphyllum chartaceum 3
Daphniphyllum himalayense subsp. himalayense 1
Daphniphyllum humile 6
Daphniphyllum longistylum 2
Daphniphyllum macropodum 66
Daphniphyllum macropodum 'Ki Midori Nakafu' 2
Daphniphyllum macropodum 'Shiro Fukurin' 1
Daphniphyllum pentandrum 7
Daphniphyllum (red flush white splashed) 1
Daphniphyllum teijsmannii 'Mountain Dove' 19
Daphniphyllum teijsmannii 'Mountain Dove' 6
Daphniphyllum teijsmannii 'Snow Country' 7
Daphniphyllum teysmannii 3
Daphniphyllum teysmannii 'Shiro Fukurin' 1
Darlingtonia 1
Darlingtonia californica 29
Darmera peltata 11
Dasylirion 6
Dasylirion acrotrichum 7
Dasylirion berlandieri 14
Dasylirion berlandieri 'Zaragoza Blue' 0
Dasylirion cedrosanum 4
Dasylirion durangense 8
Dasylirion gentryi 5
Dasylirion glaucophyllum 1
Dasylirion leiophyllum 8
Dasylirion longissimum 4
Dasylirion lucidum 3
Dasylirion miquihuanense 1
Dasylirion quadrangulatum 7
Dasylirion texanum 38
Dasylirion wheeleri 28
Datisca cannabina 7
Datisca cannabina (DHTU0005) 3
Datura 13
Datura inoxia 2
Datura metel 4
Datura wrightii 17
Datura wrightii 'Missouri Marble' 1
Daucus carota 10
Davallia 3
Davallia mariesii 'Korea Rocks' 3
Davidia involucrata 69
Davidia involucrata 'Lady Dahlia' 6
Davidia involucrata 'Lady Sunshine' 2
Davidia involucrata 'Platt's Variegated' 4
Davidia involucrata 'Sonoma' 11
Davidia involucrata (variegated form) 2
Davidia involucrata 'White Dust' 1
Davidia involucrata (yellow splashed) 1
Debregeasia orientalis 2
Decaisnea fargesii 4
Decatropis bicolor 4
Decumaria 5
Decumaria barbara 8
Decumaria barbara 'Chatooga' 3
Decumaria sinensis 1
Degenia velebitica 3
Deinanthe bifida 5
Deinanthe caerulea 3
Delonix regia 9
Delosperma 15
Delosperma 'Alan's Apricot' 2
Delosperma ashtonii 4
Delosperma ashtonii 'Blut' 6
Delosperma basuticum 7
Delosperma congestum 1
Delosperma cooperi 10
Delosperma cooperi 'Jewel of Desert Peridot' 1
Delosperma cooperi 'WOWDOY3' 5
Delosperma cooperi 'WOWDRW5' 6
Delosperma cooperi 'WOWDW7' 6
Delosperma dyeri 'Psdold' 3
Delosperma ecklonis 1
Delosperma ecklonis var. latifolia 9
Delosperma (ex. 'Lesotho Pink') 4
Delosperma floribundum 'Starburst' 14
Delosperma 'Fuchsia Finite' 5
Delosperma 'Grahamstown Ghost' 4
Delosperma 'John Proffitt' 1
Delosperma karroojum 2
Delosperma 'Kelaidis' 8
Delosperma 'Lavender Ice' 2
Delosperma 'Mountain Dew' 3
Delosperma nelii 8
Delosperma nubigenum 2
Delosperma nubigenum 'Basutoland' 9
Delosperma nubigenum 'WOWD20111' 7
Delosperma nubigenum 'WOWDAY2' 9
Delosperma nubigenum 'WOWDRY1' 8
Delosperma 'Oberg' 6
Delosperma 'Orange Crush' 3
Delosperma 'P001s' 15
Delosperma 'PJS01S' 2
Delosperma 'PJS02S' 4
Delosperma 'Psfave' 1
Delosperma (Sani Pass #2) 1
Delosperma 'Sani Pass 2' 5
Delosperma sphalmanthoides 1
Delosperma sutherlandii 10
Delosperma 'T18-2' 5
Delosperma 'T18-5' 3
Delosperma 'T18-7' 1
Delphinium 59
Delphinium anthriscifolium 3
Delphinium barbeyi 11
Delphinium carolinianum 3
Delphinium carolinianum subsp. virescens 4
Delphinium cashmerianum 2
Delphinium 'Connecticut Yankees' 1
Delphinium nuttallianum 29
Delphinium ×occidentale 3
Delphinium parishii 1
Delphinium tatsienense 4
Delphinium tricorne 21
Dendranthema 'Autumn Spice Igloo' 25
Dendranthema 'Brilliant Igloo' 23
Dendranthema lavandulifolium var. seticuspe 2
Dendrobium 10
Dendrobium nobile 2
Dendrobium spectabile 2
Dendropanax 5
Dendropanax dentiger 9
Dendropanax pellucidopunctatus 4
Dendropanax proteus 3
Dendropanax trifidus 24
Dendropanax trifidus (white dusted) 1
Denmoza rhodacantha 15
Dennstaedtia punctilobula 3
Deparia acrostichoides 1
Deparia lobato-crenata 8
Deschampsia cespitosa 'Northern Lights' 2
Desfontainia spinosa 18
Desmodium 2
Desmodium sequax 3
Desmodium yunnanense 3
Deuterocohnia brevifolia 7
Deutzia 12
Deutzia calycosa 7
Deutzia coreana var. triradiata 8
Deutzia corymbosa 3
Deutzia crenata 'Summer Snow' 9
Deutzia ×elegantissima 'Rosealind' 4
Deutzia glabrata 9
Deutzia gracilis 12
Deutzia gracilis 'Duncan' 20
Deutzia gracilis 'Mincream' 2
Deutzia gracilis 'Nikko' 10
Deutzia gracilis 'Nikko Dawn' 11
Deutzia gracilis 'Variegata' 9
Deutzia hookeriana 2
Deutzia ×hybrida 'Magicien' 3
Deutzia ×hybrida 'Strawberry Fields' 7
Deutzia ×hybrida 'Tourbillon Rouge' 20
Deutzia ×kalmiiflora 7
Deutzia ×lemoinei 17
Deutzia longifolia 'Veitchii' 2
Deutzia aff. madrensis 2
Deutzia 'NCDX2' 6
Deutzia ningpoensis 5
Deutzia ogatae 10
Deutzia parviflora 4
Deutzia pulchra 3
Deutzia ×rosea 2
Deutzia ×rosea 'Nikko Blush' 6
Deutzia rubens 17
Deutzia scabra 3
Deutzia scabra 'Codsall Pink' 3
Deutzia scabra 'Pink Minor' 8
Deutzia scabra 'Pride of Rochester' 2
Deutzia scabra 'Variegata' 10
Deutzia scabra 'White Splash' 10
Deutzia setchuenensis 2
Deutzia setchuenensis var. corymbiflora 26
Deutzia taiwanensis 2
Diabelia serrata 10
Diabelia spathulata 12
Diamorpha smallii 7
Dianella 3
Dianella caerulea 'DBB03' 4
Dianella caerulea 'John 316' 2
Dianella ensifolia 'Yushan' 3
Dianella intermedia 2
Dianella revoluta 'DTN03' 1
Dianella tasmanica 6
Dianella tasmanica 'Gold Stripe' 2
Dianella tasmanica 'Variegata' 2
Dianella tasmanica 'Yellow Stripe' 2
Dianthus 64
Dianthus ×allwoodii 'Frosty Fire' 8
Dianthus alpinus 2
Dianthus amurensis 'Siberian Blue' 14
Dianthus anatolicus 8
Dianthus arenarius 2
Dianthus arpadianus var. pumilus 12
Dianthus ×arvernensis 11
Dianthus barbatus 4
Dianthus 'Blue Hills' 2
Dianthus borbasii 1
Dianthus callizonus 6
Dianthus caryophyllus 108
Dianthus caryophyllus 'Fenbow Nutmeg Clone' 8
Dianthus chinensis 1
Dianthus 'Chris's Passalong' 24
Dianthus 'Corona Cherry Magic' 2
Dianthus cruentus 5
Dianthus deltoides 3
Dianthus deltoides 'Arctic Fire' 2
Dianthus deltoides 'Zing Rose' 1
Dianthus 'Devon Flavia' 3
Dianthus 'Devon Starling' 3
Dianthus erinacea var. alpina 4
Dianthus (ex. 'Blue Hills') 19
Dianthus 'G18139' 1
Dianthus 'G18144' 1
Dianthus giganteiformis subsp. pontederae 22
Dianthus gratianopolitanus 2
Dianthus gratianopolitanus 'A12228-0' (Cherry Charm) 2
Dianthus gratianopolitanus 'Bath's Pink' 6
Dianthus gratianopolitanus 'Royal Midget' 11
Dianthus gratianopolitanus 'Tiny Rubies' 1
Dianthus henteri 2
Dianthus 'Hilbeadouz' 8
Dianthus 'Hilbeanaom' 11
Dianthus 'Hilbeaolcher' 9
Dianthus 'Hilbeaolswee' 5
Dianthus 'Hilbeetl' 5
Dianthus 'Hildes' 19
Dianthus 'Hildyna' 23
Dianthus 'Hiljagua' 5
Dianthus 'Hilkayle' 5
Dianthus 'Hilmegan' 5
Dianthus 'Hilmimi' 7
Dianthus 'Hilnorah' 9
Dianthus 'Hilodeamy' 6
Dianthus 'Hilodejoe' 4
Dianthus 'Hilpure' 5
Dianthus 'Inshriach Dazzler' 2
Dianthus 6
Dianthus 9
Dianthus 'Key Lime Pie' 4
Dianthus knappii 4
Dianthus langeanus 5
Dianthus 'Little Boy Blue' 6
Dianthus longicalyx 1
Dianthus longicalyx 3
Dianthus lumnitzeri 2
Dianthus microlepis 9
Dianthus 'Mountain Mist' 9
Dianthus nardiformis 1
Dianthus nitidus 3
Dianthus 'Pas247291' 5
Dianthus pavonius 1
Dianthus pinifolius 2
Dianthus pygmaeus 5
Dianthus 'Queen of Hearts' 1
Dianthus 'Raspberry Magic' 3
Dianthus scardicus 3
Dianthus seguieri 3
Dianthus 'Shkdia0912' 13
Dianthus speciosus 'Shishika-01' 4
Dianthus squarrosus 1
Dianthus superbus 13
Dianthus superbus 'Holkahori' 3
Dianthus 'Sweetie Pie' 4
Dianthus tianschanicus 11
Dianthus 'Tiny Rubies' 1
Dianthus 'Wp15 Mow08' 2
Diascia 2
Diascia 'Diastu' 2
Diascia integerrima 'Coral Canyon' 2
Dicentra 8
Dicentra 'Amore Pink' 9
Dicentra canadensis 4
Dicentra cucullaria 7
Dicentra eximia 18
Dicentra eximia 'Dolly Sods' 9
Dicentra formosa 5
Dicentra formosa subsp. oregana 12
Dicentra peregrina 2
Dicentra 'Stuart Boothman' 2
Dichelostemma capitatum 8
Dichelostemma congestum 12
Dichelostemma congestum 'Pink Diamond' 26
Dichelostemma ida-maia 27
Dichondra 5
Dichondra argentea 'Silver Falls' 6
Dichorisandra thyrsiflora 3
Dichroa 1
Dichroa (dwarf) 3
Dichroa febrifuga 32
Dichroa febrifuga 'Yamaguchi Hardy' 1
Dichroa febrifuga 'Yamaguchi Narrow-leaf' 1
Dichroa febrifuga 'Yamaguchi White' 3
Dichroa versicolor 5
Dichroa aff. yaoshanensis 6
Dicksonia 3
Dicksonia fibrosa 3
Dicksonia lanata 1
Dicksonia squarrosa 5
Dicliptera resupinata 2
Dicliptera suberecta 6
Dicranopteris pedata 2
Dictamnus 1
Dictamnus albus 5
×Didrangea versicolor 5
Dieffenbachia 8
Dierama 10
Dierama ambiguum 1
Dierama dracomontanum 7
Dierama igneum 10
Dierama jucundum 3
Dierama luteoalbidum 1
Dierama mossii 2
Dierama pauciflorum 2
Dierama pendulum 2
Dierama pulcherrimum 10
Dierama reynoldsii 2
Diervilla rivularis 1
Diervilla rivularis 'Troja Black' 6
Diervilla sessilifolia 'LPDC Podaras' 7
Dietes bicolor 5
Dietes iridioides 2
Digitalis 16
Digitalis ciliata 1
Digitalis ferruginea 8
Digitalis 'Flame' 2
Digitalis 'G18-162' 2
Digitalis grandiflora 2
Digitalis lanata 9
Digitalis lutea 4
Digitalis lutea subsp. australis 4
Digitalis obscura 11
Digitalis purpurea 37
Digitalis purpurea f. albiflora 1
Digitalis schischkinii 1
Digitalis thapsi 4
Digitalis thapsi 'Spanish Peaks' 12
Digitalis 'Waldigone' 2
Dimorphotheca fruticosa 2
Dionaea 4
Dionaea muscipula 79
Dionaea muscipula 'Akai Ryu' 1
Dionaea muscipula 'Red Cup' 2
Dioon edule 8
Dioon edule var. angustifolium 2
Dioon edule var. angustifolium 'Palma Sola' 4
Dioon mejiae 3
Dioon merolae 4
Dioon spinulosum 8
Dioscorea 1
Dioscorea villosa 2
Diospyros 7
Diospyros cathayensis 8
Diospyros kaki 45
Diospyros kaki 'Giant Fuyu' 1
Diospyros kaki 'Gwang Yang' 7
Diospyros kaki 'Pendula' 11
Diospyros kaki 'Shibamichi Weeping' 9
Diospyros kaki (yellow splashed) 1
Diospyros lotus 6
Diospyros oleifera 3
Diospyros rhombifolia 4
Diospyros rhombifolia 'Suisei' 4
Diospyros texana 10
Diospyros virginiana 11
Diospyros virginiana (Hidden Hollow seedless) 4
Diospyros virginiana 'JN5' 3
Diospyros wilsonii 2
Dipelta ventricosa 5
Dipentodon sinicus 3
Diphasiastrum digitatum 2
Diphylleia cymosa 12
Diphylleia grayi 2
Diphylleia sinensis 2
Diplarrhena moraea 4
Diplazium australe 1
Diplazium maximum 2
Diplazium maximum (T-728/05) 2
Diplazium pycnocarpon 1
Diplazium subsinuatum 3
Diplazium wichurae 3
Dipsacus 1
Dipsacus fullonum 2
Dipteris conjugata 9
Dipteronia sinensis 2
Dirca palustris 26
Disa ×watsonii 'Sandra' 2
Disanthus cercidifolius 8
Disanthus cercidifolius 'Ena Nishiki' 1
Disanthus cercidifolius 'Golden Crown' 1
Disanthus cercidifolius subsp. longipes (compact form) 1
Disanthus cercidifolius (white flush) 1
Disanthus ovatifolius 3
Diselma archeri 8
Diselma archeri 'Read Dwarf' 2
Disphyma papillatum 1
Disporopsis 7
Disporopsis arisanensis 1
Disporopsis aspersa 7
Disporopsis aff. aspersa 3
Disporopsis aspersa (Ogon) 1
Disporopsis bakerorum 2
Disporopsis fuscopicta 1
Disporopsis jinfushanensis 4
Disporopsis 'Lily Pads' 4
Disporopsis pernyi 17
Disporopsis aff. pernyi 2
Disporopsis pernyi (Waddich form) 2
Disporopsis pernyi 'Xiao Chengdu' 14
Disporopsis undulata 3
Disporum 8
Disporum bodinieri 11
Disporum cf. bodinieri 6
Disporum brachystemon 8
Disporum cantoniense 4
Disporum cantoniense 'Aureovariegata' 2
Disporum cantoniense 'Blueberry Bere' 1
Disporum flavens (Simm's variegated) 6
Disporum (green split flower) 3
Disporum longistylum 8
Disporum longistylum 'Green Giant' 9
Disporum longistylum 'Night Heron' 7
Disporum longistylum 'Shina-no-tsuki' 6
Disporum luzoniensis 2
Disporum megalanthum 4
Disporum nantauense 1
Disporum sessile 1
Disporum sessile 'Awa-no-tsuki' 9
Disporum sessile (cream yellow streak) 1
Disporum sessile (gold variegated) 1
Disporum sessile (narrow leaf yellow) 3
Disporum sessile 'Ogon' 1
Disporum sessile (streaked) 1
Disporum sessile 'Tightwad' 3
Disporum sessile 'Variegatum' 15
Disporum smilacinum 'Aureovariegata' 1
Disporum smilacinum 'Ki-no-tsukasa' 2
Disporum trabeculatum 5
Disporum trabeculatum 'Nakafu' 3
Disporum uniflorum 41
Distictis buccinatoria 2
Distylium 8
Distylium buxifolium 1
Distylium myricoides 17
Distylium myricoides 'Athens Tower' 3
Distylium myricoides 'Lucky Charm' 1
Distylium myricoides 'Spg-3-007' 7
Distylium 'PIIDIST-I' 3
Distylium 'PIIDIST-II' 3
Distylium 'PIIDIST-III' 1
Distylium 'PIIDIST-V' 5
Distylium racemosum 7
Distylium racemosum 'Akebono' 3
Distylium racemosum 'Guppy' 3
Distylium racemosum (Mr. Ishii's variegated) 4
Distylium racemosum (Ogisu variegated) 3
Distylium racemosum (white margin) 3
Dizygotheca elegantissima 6
Dodecatheon 6
Dodecatheon meadia 21
Dodecatheon meadia 'Album' 5
Dodecatheon pulchellum 28
Dodonaea viscosa 6
Dodonaea viscosa 'Moonbeam' 2
Dodonaea viscosa 'Purpurea' 6
Dombeya 2
Dombeya ×cayeuxii 4
Doodia aspera 2
Doryanthes palmeri 3
Draba aizoides 6
Draba aurea 2
Draba crassa 3
Draba crassifolia 1
Draba dedeana 1
Draba helleriana 1
Draba hispanica 6
Draba lasiocarpa 3
Draba oligosperma 6
Draba polytricha 2
Draba ramosissima 7
Draba streptocarpa 1
Dracaena 15
Dracaena braunii 1
Dracaena draco 6
Dracaena fragrans 4
Dracaena fragrans Deremensis Group 1
Dracaena fragrans [Deremensis Group] 'Limelight' 3
Dracaena marginata 3
Dracaena marginata 'Tricolor' 3
Dracaena reflexa 'Song of India' 1
Dracocephalum argunense 1
Dracocephalum bullatum 2
Dracocephalum imberbe 5
Dracocephalum ruyschiana 1
Dracophyllum filifolium 1
Dracophyllum strictum 2
Dracophyllum traversii 3
Dracunculus vulgaris 59
Dracunculus vulgaris (A1CR-057) 1
Dregea sinensis 4
Drimiopsis (Kampersus striped) 2
Drimiopsis maculata 3
Drimiopsis maculata 'Slow Fade' 4
Drimys lanceolata 7
Drimys lanceolata 'Suzette' 1
Drimys winteri 13
Drimys winteri var. chilensis 1
Drosanthemum 3
Drosera 17
Drosera brevifolia 13
Drosera capensis 2
Drosera capillaris 23
Drosera intermedia 14
Drosera tracyi 4
Dryas octopetala 3
Dryas octopetala subsp. hookeriana 17
Dryopteris 13
Dryopteris affinis subsp. affinis 3
Dryopteris affinis 'Cristata The King' 2
Dryopteris affinis 'Gotemba Crested' 21
Dryopteris championii 6
Dryopteris erythrosora 8
Dryopteris erythrosora 'Brilliance' 1
Dryopteris erythrosora var. koidzumiana 5
Dryopteris erythrosora var. prolifica 1
Dryopteris erythrosora 'Radiance' 6
Dryopteris filix-mas 'Linearis Polydactyla' 2
Dryopteris formosana 3
Dryopteris goldiana 7
Dryopteris intermedia 1
Dryopteris ludoviciana 1
Dryopteris pycnopteroides 3
Dryopteris sieboldii 9
Dryopteris sublacera 6
Dryopteris tokyoensis 4
Dryopteris wallichiana 2
Dudleya candida 1
Dudleya collomiae (A1AZ-010) 1
Dudleya farinosa 14
Dudleya saxosa 4
Duranta 2
Duranta erecta 10
Duranta erecta 'Aurea' 2
Duranta erecta 'Golden Edge' 5
Duranta erecta 'Sapphire Showers' 1
Dyckia 7
Dyckia brevifolia 5
Dyckia choristaminea 'Frazzle Dazzle' 2
Dyckia 'Grape Jelly' 3
Dyckia 'Picante' 1
Dyckia velascana × D. encholirioides 17
Dypsis baronii 1
Dypsis cabadae 5
Dyschoriste linearis 9
Ebenus cretica 5
Ebracteola wilmaniae 5
Eccremocarpus scaber 3
Echeandia 1
Echeandia texensis 25
Echeveria 17
Echeveria agavoides 1
Echeveria 'Black Prince' 11
Echeveria runyonii 29
Echeveria runyonii 'Topsey Turvey' 5
Echinacea 50
Echinacea '23P01' 8
Echinacea '23P02' 8
Echinacea angustifolia 4
Echinacea 2
Echinacea 'Art's Pride' 1
Echinacea 'Balscawbux' 4
Echinacea 'Balscmelux' 10
Echinacea 'Balscoberr' 2
Echinacea 'Balscoberrux' 1
Echinacea 'Balscrasux' 5
Echinacea 'Balsomador' 7
Echinacea 'Balsomanita' 0
Echinacea 'Balsomrosa' 3
Echinacea 'Balsomsed' 4
Echinacea 'Berry' 5
Echinacea 'Carmine' 4
Echinacea 'CBG Cone 2' 2
Echinacea 'Colorburst Orange' 7
Echinacea 'Conekim' 2
Echinacea 'Conevin' 8
Echinacea 'Coral' 4
Echinacea 'Evan Saul' 12
Echinacea 'Firebird' 7
Echinacea 'Flame Thrower' 24
Echinacea 'Gemini Pink' 8
Echinacea 'Giddy Pink' 2
Echinacea 'Glowing Dream' 21
Echinacea 'Hot Papaya' 2
Echinacea 'Katie Saul' 6
Echinacea laevigata 17
Echinacea 'Leilani' 6
Echinacea 'Mama Mia' 2
Echinacea 'Matthew Saul' 5
Echinacea 'Maui Sunshine' 1
Echinacea 'Meteor Red' 1
Echinacea 'Noam Saul' 2
Echinacea pallida 24
Echinacea paradoxa 4
Echinacea paradoxa var. neglecta 4
Echinacea paradoxa var. paradoxa 4
Echinacea purpurea 54
Echinacea purpurea 'Elton Knight' 2
Echinacea purpurea 'Green Envy' 4
Echinacea purpurea 'Green Twister' 3
Echinacea purpurea 'Kim's Knee High' 2
Echinacea purpurea 'Kim's Mop Head' 1
Echinacea purpurea 'Lovely Lolly' 4
Echinacea purpurea 'Magnus' 4
Echinacea purpurea 'Merlot' 6
Echinacea purpurea 'Pink Poodle' 7
Echinacea purpurea 4
Echinacea purpurea 7
Echinacea purpurea 7
Echinacea purpurea 'Raspberry Tart' 4
Echinacea purpurea 'Rubinstern' 7
Echinacea purpurea 'Ruby Giant' 5
Echinacea purpurea 'Ruby Giant' 2
Echinacea purpurea 'Stewarts Pink' 15
Echinacea purpurea 'White Swan' 5
Echinacea 'Quills 'N Thrills' 9
Echinacea 'Sands' 5
Echinacea sanguinea 6
Echinacea 'Seashell' 2
Echinacea 'Secret Glow' 3
Echinacea simulata 4
Echinacea 'Solar Flare' 1
Echinacea 'Spicy' 3
Echinacea 'Sunrise' 12
Echinacea 'Tangerine Dream' 7
Echinacea tennesseensis 8
Echinacea 'Tiki Torch' 7
Echinacea 'TNECHCMY' 12
Echinacea 'Tnechkio' 6
Echinacea 'Tnechkr' 17
Echinacea 'Tnechkrd' 9
Echinacea 'TNECHKW' 4
Echinacea 'Tnechpv' 9
Echinacea 'TNECHSDR' 6
Echinacea 'TNECHSS' 2
Echinacea 'Tomato Soup' 2
Echinocactus 3
Echinocactus grusonii 2
Echinocactus horizonthalonius subsp. nicholii 1
Echinocactus platyacanthus 1
Echinocactus polycephalus 1
Echinocactus texensis 5
Echinocereus 23
Echinocereus chloranthus var. milleri 3
Echinocereus coccineus 41
Echinocereus coccineus var. gurneyi 3
Echinocereus dasyacanthus 3
Echinocereus engelmannii 9
Echinocereus fendleri 17
Echinocereus lloydii 3
Echinocereus majavensis 2
Echinocereus reichenbachii 2
Echinocereus reichenbachii var. albispinus 7
Echinocereus reichenbachii subsp. baileyi 4
Echinocereus reichenbachii subsp. baileyi × E. perbellus 9
Echinocereus reichenbachii var. perbellus 1
Echinocereus reichenbachii var. perbellus (DJF1637) 2
Echinocereus reichenbachii subsp. reichenbachii 2
Echinocereus rigidissimus var. rubrispinus 5
Echinocereus ×roetteri 17
Echinocereus triglochidiatus 33
Echinocereus triglochidiatus (Alpine Texas form) 5
Echinocereus triglochidiatus var. inermis 9
Echinocereus triglochidiatus var. inermis 'Panayoti' 3
Echinocereus triglochidiatus (White Sands) 3
Echinocereus viridiflorus 26
Echinodorus bracteatus 'Lantau Lady' 23
Echinodorus cordifolius 'Marble Queen' 9
Echinops 7
Echinops bannaticus 'Taplow Blue' 2
Echinops maracandicus 8
Echinops ritro 4
Echinopsis formosa var. amaichensis (Tafi del Valle form) 5
Echinopsis huascha 1
Echinopsis 'Susan Dace' 5
Echium 5
Echium aculeatum 2
Echium albicans 2
Echium candicans 3
Echium pininana 18
Echium vulgare 1
Echium wildpretii 8
Edgeworthia 10
Edgeworthia 'Akebono' 1
Edgeworthia chrysantha 70
Edgeworthia chrysantha (compact form) 5
Edgeworthia chrysantha 'Gold Rush' 24
Edgeworthia chrysantha 'Nanjing Gold' 2
Edgeworthia chrysantha 'Snow Cream' 2
Edgeworthia chrysantha 'Winter Gold' 79
Edgeworthia gardneri 4
Edgeworthia papyrifera 16
Edgeworthia papyrifera 'Eco Yaku' 11
Edgeworthia papyrifera (ex. 'Eco Yaku') 9
Edgeworthia papyrifera 'Jitsuko Red' 2
Edgeworthia papyrifera (melon) 0
Edgeworthia 'Snow Globe' 63
Edraianthus tenuifolius 3
Ehretia dicksonii 8
Ehretia dicksonii (cream yellow dusted) 1
Eichhornia crassipes 4
Eichornia crassipes 3
Elaeagnus 7
Elaeagnus angustifolia 1
Elaeagnus ×ebbingei 1
Elaeagnus ×ebbingei 'Coastal Gold' 11
Elaeagnus ×ebbingei 'Gilt Edge' 2
Elaeagnus ×ebbingei 'Lannou' 6
Elaeagnus ×ebbingei 'Limelight' 2
Elaeagnus ×ebbingei 'Viveleg' 3
Elaeagnus multiflora 5
Elaeagnus multiflora 'Bikkuri Gumi' 4
Elaeagnus pungens 6
Elaeagnus pungens 'Chirifu' 4
Elaeagnus pungens 'Dicksonii' 4
Elaeagnus pungens 'Frederici' 1
Elaeagnus pungens 'Hosoba Fukurin' 6
Elaeagnus pungens 'Maculata' 2
Elaeagnus pungens 'Variegata' 2
Elaeagnus viridis var. delavayi 3
Elaeocarpus decipiens 15
Elaeocarpus glabripetalus 3
Elaeocarpus reticulatus 'Prima Donna' 1
Elaeocarpus sylvestris 5
Elaphoglossum 2
Elatostema rugosum 1
Elegia tectorum 1
Eleutherococcus 1
Eleutherococcus lasiogyne 4
Eleutherococcus nodiflorus 4
Eleutherococcus sieboldianus 'Aureomarginatus' 4
Eleutherococcus sieboldianus 'Variegatus' 15
Elliottia racemosa 9
Ellisiophyllum pinnatum 3
Elodea canadensis 8
Elsholtzia ciliata 2
Elsholtzia stauntonii 5
Elymus magellanicus 1
Elymus racemosa 4
Embothrium 2
Embothrium coccineum 11
Embothrium coccineum [Lanceolatum Group] 'Ñorquinco' 4
Emmenopterys henryi 61
Encelia farinosa 7
Encephalartos altensteinii 2
Encephalartos ferox 7
Encephalartos hildebrandtii 2
Encephalartos horridus 2
Encephalartos lehmannii 3
Encephalartos natalensis 3
Encephalartos woodii 4
Engelmannia peristenia 'Bergheim' 8
Englerarum hypnosum 2
Enkianthus 8
Enkianthus 'Ariso' 1
Enkianthus campanulatus 21
Enkianthus campanulatus 'Akatsuki' 11
Enkianthus campanulatus f. albiflorus 5
Enkianthus campanulatus 'Calico' 1
Enkianthus campanulatus 'Chichibu Beni' 4
Enkianthus campanulatus 'Fukurin Beni' 4
Enkianthus campanulatus (good stripe) 1
Enkianthus campanulatus var. palibinii 4
Enkianthus campanulatus 'Red Bells' 2
Enkianthus campanulatus 'Showy Lantern' 4
Enkianthus campanulatus 'Variegatus' 6
Enkianthus cernuus 'Dancer' 1
Enkianthus cernuus f. rubens 6
Enkianthus cernuus f. rubens 'Odoriko' 1
Enkianthus cernuus f. rubens 'Yanagi-ba' 2
Enkianthus chinensis 9
Enkianthus 'Eboshi' 2
Enkianthus hirtinervus 1
Enkianthus 'Kiso-no-haru' 3
Enkianthus (little leaf) 2
Enkianthus nudipes 1
Enkianthus perulatus 40
Enkianthus perulatus 'Tsukumo' 3
Enkianthus quinqueflorus 5
Enkianthus quinqueflorus 'Pink Chandelier' 3
Enkianthus quinqueflorus (yellow mottled) 1
Enkianthus (red stems) 1
Enkianthus serrulatus 4
Enkianthus sikokianus 3
Enkianthus sikokianus (red selection) 1
Enkianthus (variegated) 1
Ennealophus euryandrus 7
Ensete 6
Ensete ventricosum 4
Ensete ventricosum 'Maurelii' 16
Entelea arborescens 2
Eomecon chionantha 2
Ephedra 9
Ephedra altissima 3
Ephedra equisetiformis 2
Ephedra equisetina 2
Ephedra fedtschenkoae 3
Ephedra gerardiana 3
Ephedra likiangensis 2
Ephedra major 2
Ephedra minuta 5
Ephedra monosperma 13
Ephedra regeliana 3
Ephedra viridis 4
Epidendrum centropetalum 1
Epidendrum radicans 6
Epifagus virginiana 3
Epigaea repens 2
Epilobium 5
Epilobium canum subsp. garrettii 'Pwwg01s' 2
Epilobium canum var. latifolium 2
Epimedium 33
Epimedium cf. acuminatum 6
Epimedium 'Asiatic Hybrid' 7
Epimedium 'Atlas' 6
Epimedium brachyrrhizum 3
Epimedium davidii 6
Epimedium diphyllum 3
Epimedium 'Domino' 27
Epimedium grandiflorum 1
Epimedium grandiflorum 'Conalba' 3
Epimedium grandiflorum 'Dark Beauty' 16
Epimedium grandiflorum 'Lilafee' 1
Epimedium grandiflorum 'Pierrie's Purple' 1
Epimedium grandiflorum 'Purple Pixie' 14
Epimedium grandiflorum 'Rose Queen' 8
Epimedium (heavy splotch) 1
Epimedium 'Korin' 2
Epimedium ×perralchicum 7
Epimedium ×perralchicum 'Frohnleiten' 11
Epimedium 'Pink Champagne' 3
Epimedium pinnatum 3
Epimedium pinnatum subsp. colchicum 1
Epimedium 'Pretty in Pink' 8
Epimedium pubescens 22
Epimedium pubigerum 4
Epimedium rhizomatosum 2
Epimedium ×rubrum 7
Epimedium sagittatum 4
Epimedium sempervirens 1
Epimedium stellulatum 15
Epimedium sutchuenense 4
Epimedium 'The Giant' 4
Epimedium ×versicolor 'Strawberry Blush' 2
Epimedium ×versicolor 'Sulphureum' 19
Epimedium ×warleyense 16
Epimedium wushanense 24
Epimedium (yellow margin) 1
Epimedium ×youngianum 1
Epimedium ×youngianum 'Niveum' 8
Epimedium ×youngianum 'Royal Flush' 2
Epipactis gigantea 4
Epipactis gigantea 'Serpentine Night' 1
Epiphyllum 2
Epipremnum 1
Epipremnum aureum 5
Epipremnum pinnatum 'Aureum' 8
Episcia 6
Equisetum 17
Equisetum arvense 5
Equisetum hyemale 2
Equisetum myriochaetum 3
Equisetum scirpoides var. striatum 1
Eragrostis elliottii 'Wind Dancer' 1
Eragrostis spectabilis 9
Eranthemum pulchellum 1
Eranthis 3
Eranthis hyemalis 33
Eremochloa ophiuroides 'TifBlair' 5
Eremogone franklinii 5
Eremurus 18
Eremurus himalaicus 2
Eremurus ×isabellinus 'Cleopatra' 1
Eremurus 'Lemon Meringue' 9
Eremurus 'Moneymaker' 4
Eremurus robustus 1
Eremurus 'Romance' 4
Eremurus (Spring Valley Hybrids) 9
Erica 72
Erica arborea 6
Erica arborea 'Estrella Gold' 4
Erica carnea f. alba 'Ice Princess' 3
Erica carnea f. alba 'Springwood White' 3
Erica cerinthoides 4
Erica cinerea 'Atropurpurea' 4
Erica cinerea 'Stephen Davis' 4
Erica ×darleyensis 3
Erica ×darleyensis 'Alba' 1
Erica ×darleyensis 'Furzey' 61
Erica ×darleyensis 'George Rendall' 2
Erica ×darleyensis 'Kramer's Rote' 4
Erica ×darleyensis 'Mary Helen' 2
Erica ×darleyensis 'Mediterranean Pink' 12
Erica ×darleyensis 'Silberschmelze' 2
Erica ×darleyensis 'White Perfection' 21
Erica melanthera 2
Erica plukenetii 1
Erica tetralix 'Swedish Yellow' 2
Erica vagans 4
Erica vagans 'Mrs D.F. Maxwell' 2
Ericameria nauseosa 2
Erigeron 15
Erigeron chrysopsidis 'Grand Ridge' 2
Erigeron compositus 11
Erigeron filifolius 7
Erigeron flagellaris 9
Erigeron glaucus 13
Erigeron glaucus 'Olga' 2
Erigeron karvinskianus 8
Erigeron karvinskianus 'Profusion' 2
Erigeron leiomerus 2
Erigeron linearis 2
Erigeron pinnatisectus 6
Erigeron poliospermus 2
Erigeron pulchellus 6
Erigeron pulchellus 'Meadow Muffin' 16
Erigeron pulchellus var. pulchellus 'Lynnhaven Carpet' 4
Erigeron quercifolius 3
Erigeron speciosus 13
Erinacea anthyllis 5
Eriobotrya cavaleriei 3
Eriobotrya deflexa 11
Eriobotrya japonica 40
Eriobotrya japonica 'Coppertone' 17
Eriobotrya japonica (white edge) 2
Eriobotrya japonica (white splash) 7
Eriocaulon 1
Eriocaulon compressum 8
Eriocaulon decangulare (tall form) 2
Eriogonum 53
Eriogonum fasciculatum 5
Eriogonum jamesii 10
Eriogonum kennedyi 2
Eriogonum racemosum 2
Eriogonum sphaerocephalum 2
Eriogonum umbellatum 30
Eriogonum umbellatum var. aureum 1
Eriogonum umbellatum var. aureum 'Psdowns' 3
Eriogonum umbellatum var. polyanthum 1
Eriogonum umbellatum var. polyanthum 'Shasta Sulfur' 1
Eriogonum umbellatum var. porteri 2
Eriogonum wrightii 4
Eriophyllum lanatum 2
Eriostemon myoporoides 'Profusion' 2
Eritrichium arenarioides 1
Eritrichium nanum var. elongatum 6
Erodium 4
Erodium atlanticum var. cossonii 2
Erodium cheilanthifolium 3
Erodium manescavi 6
Erodium pelargoniiflorum 1
Erodium reichardii 1
Erodium reichardii 'Charm' 8
Erodium rupestre 3
Eryngium 26
Eryngium agavifolium 5
Eryngium alpinum 3
Eryngium amethystinum 3
Eryngium aquaticum 4
Eryngium aquaticum var. ravenellii 9
Eryngium bourgatii 6
Eryngium bromeliifolium 3
Eryngium ebracteatum 4
Eryngium eburneum 10
Eryngium giganteum 13
Eryngium guatamalense 2
Eryngium 'La Canada' 2
Eryngium palmatum 3
Eryngium pandanifolium 14
Eryngium planum 11
Eryngium pristis 8
Eryngium serra 5
Eryngium variifolium 5
Eryngium venustum 4
Eryngium vesiculosum 1
Eryngium yuccifolium 11
Eryngium yuccifolium (Kershaw Blue) 3
Erysimum 19
Erysimum bicolor 2
Erysimum capitatum 39
Erysimum cheiri 5
Erysimum 'Er 07 3-10' 4
Erysimum 'G16-227' 1
Erysimum hieraciifolium 'Pas415016' 2
Erysimum jugicola 1
Erysimum linifolium 2
Erysimum linifolium 'Bowles Mauve' 33
Erysimum linifolium 5
Erysimum linifolium 'Variegatum' 3
Erysimum 8
Erysimum pulchellum 3
Erysimum wheeleri 5
Erythrina 10
Erythrina ×bidwillii 28
Erythrina corallodendron 6
Erythrina crista-galli 2
Erythrina crista-galli 'Compacta' 13
Erythrina flabelliformis 2
Erythrina herbacea 9
Erythrina herbacea f. albiflora 1
Erythrina humeana 2
Erythronium 20
Erythronium americanum 24
Erythronium californicum 'White Beauty' 1
Erythronium dens-canis 2
Erythronium dens-canis 'Rose Queen' 1
Erythronium grandiflorum 39
Erythronium 'Pagoda' 19
Erythronium rostratum (A2AL-065) 3
Erythronium tuolumnense 7
Erythronium umbilicatum 35
Erythronium umbilicatum (white flower) 14
Escallonia 6
Escallonia alpina 3
Escallonia 'Apple Blossom' 6
Escallonia laevis 'Gold Ellen' 1
Escallonia tucumanensis 3
Eschscholzia 5
Eschscholzia californica 34
Eschscholzia californica 'Golden West' 1
Escobaria missouriensis 9
Escobaria orcutlii var. koensgii 2
Escobaria sneedii subsp. leei 7
Escobaria vivipara 36
Escobaria vivipara var. deserti (fasciated form) 2
Eubotrys recurva 1
Eucalyptus 43
Eucalyptus ambigua 3
Eucalyptus archeri 4
Eucalyptus camphora 5
Eucalyptus cinerea 13
Eucalyptus citriodora 9
Eucalyptus coccifera 9
Eucalyptus cypellocarpa 3
Eucalyptus dalrympleana 3
Eucalyptus deanei 1
Eucalyptus deglupta 4
Eucalyptus erythrocorys 1
Eucalyptus glaucescens 4
Eucalyptus globulus 1
Eucalyptus gunnii 10
Eucalyptus 'Moon Lagoon' 2
Eucalyptus neglecta 15
Eucalyptus nicholii 2
Eucalyptus nobilis 2
Eucalyptus parvifolia 6
Eucalyptus pauciflora subsp. niphophila 4
Eucalyptus perriniana 2
Eucalyptus platypus 2
Eucalyptus polyanthemos 3
Eucalyptus rhodantha 2
Eucalyptus rubida 3
Eucalyptus stellulata 4
Eucalyptus torquata 4
Eucalyptus urnigera 3
Eucalyptus viminalis 10
Euchresta japonica 3
Eucodonia 'Adele' 4
Eucomis 50
Eucomis autumnalis 16
Eucomis autumnalis subsp. amaryllidifolia 3
Eucomis autumnalis subsp. clavata 6
Eucomis bicolor 4
Eucomis comosa 2
Eucomis comosa 'Oakhurst' 1
Eucomis comosa 'Peace Candles' 1
Eucomis comosa 'Sparkling Burgundy' 51
Eucomis 'Dark Star' 9
Eucomis (ex. 'Reuben') 8
Eucomis 'Freckles' 10
Eucomis 'Glow Sticks' 3
Eucomis humilis 4
Eucomis 'Johannesburg' 2
Eucomis 'Mini Tuft Bright Pink' 7
Eucomis 'Mini Tuft Buff' 2
Eucomis 'Mini Tuft Red' 1
Eucomis montana 9
Eucomis pole-evansii 16
Eucomis 'Reuben' 36
Eucomis 'Smoking Joe' 2
Eucomis 'Tugela Gem' 2
Eucomis 'Tugela Jade' 15
Eucomis vandermerwei 5
Eucomis zambesiaca 10
Eucomis 'Zeal Bronze' 1
Eucommia ulmoides 6
Eucryphia glutinosa 3
Eucryphia ×intermedia 2
Eucryphia lucida 5
Eucryphia lucida 'Ballerina' 4
Eucryphia moorei 2
Eucryphia ×nymansensis 1
Eucryphia ×nymansensis 'Nyman's Silver' 4
Eugenia apiculata 4
Eumorphia sericea 3
Euonymus 24
Euonymus alatus 13
Euonymus alatus 'Compactus' 3
Euonymus alatus 'Fastigiata' 2
Euonymus alatus (Korean strain) 2
Euonymus alatus 'Michael Hayman' 8
Euonymus alatus 'Monstrosus' 1
Euonymus alatus 'Odom' 2
Euonymus alatus 'Rudy Haag' 1
Euonymus alatus 'Select' 4
Euonymus alatus 'Timber Creek' 12
Euonymus americanus 10
Euonymus americanus (evergreen) 6
Euonymus americanus 'Narrowleaf' 6
Euonymus bungeanus 18
Euonymus carnosus 30
Euonymus cornutus 11
Euonymus europaeus 'Red Ace' 4
Euonymus europaeus 'Red Cascade' 21
Euonymus fortunei 4
Euonymus fortunei 'Emerald Gaiety' 7
Euonymus fortunei 'Emerald 'n' Gold' 4
Euonymus fortunei 'Gracilis' 1
Euonymus fortunei 'Harlequin' 4
Euonymus fortunei 'Interbolwji' 3
Euonymus fortunei 'Kewensis' 2
Euonymus fortunei 'Moonshadow' 1
Euonymus fortunei 'Wolong Ghost' 16
Euonymus grandiflorus 9
Euonymus hamiltonianus 2
Euonymus hamiltonianus subsp. sieboldianus 1
Euonymus japonicus 'Bekkomasaki' 2
Euonymus japonicus 'Dr. Rokujo Variegated' 3
Euonymus japonicus 'Green Spire' 1
Euonymus japonicus 'Microphyllus' 3
Euonymus japonicus 'Microphyllus Variegatus' 2
Euonymus japonicus 'Moness' 7
Euonymus japonicus (white thinly margined) 1
Euonymus kiautschovicus 'Manhattan' 2
Euonymus lanceolatus 7
Euonymus latifolius 2
Euonymus macropterus 6
Euonymus myrianthus 7
Euonymus nanus var. turkestanicus 1
Euonymus nitidus 12
Euonymus oxyphyllus 9
Euonymus phellomanus 2
Euonymus aff. planipes 4
Euonymus sachalinensis 3
Euonymus schensianus 'Beni Yakko' 31
Euonymus sieboldianus 1
Euonymus sieboldianus (yellow margin) 6
Euonymus spraguei 2
Euonymus cf. spraguei 2
Euonymus szechuanensis 1
Eupatorium 26
Eupatorium amabile 2
Eupatorium fortunei 'Pink Frost' 4
Eupatorium perfoliatum 1
Eupatorium rotundifolium 2
Eupatorium rugosum 3
Eupatorium rugosum 'Chocolate' 4
Euphorbia 58
Euphorbia amygdaloides var. robbiae 32
Euphorbia antisyphilitica 4
Euphorbia bivonae 2
Euphorbia 'Blue Daze' 1
Euphorbia brachycera 2
Euphorbia 'Canyon Gold' 24
Euphorbia capitulata 2
Euphorbia characias 9
Euphorbia characias 'Glacier Blue' 17
Euphorbia characias 'John Tomlinson' 1
Euphorbia characias 'Portuguese Velvet' 4
Euphorbia characias (Portuguese Velvet strain) 4
Euphorbia characias 'Tasmanian Tiger' 8
Euphorbia characias subsp. wulfenii 4
Euphorbia characias subsp. wulfenii 'Shorty' 3
Euphorbia 'Charam' 9
Euphorbia clavarioides 2
Euphorbia cornigera 4
Euphorbia corollata 2
Euphorbia cotinifolia 6
Euphorbia cyparissias 1
Euphorbia cyparissias 'Fens Ruby' 1
Euphorbia 'Dean's Hybrid' 34
Euphorbia donii 1
Euphorbia dulcis 'Chameleon' 7
Euphorbia epithymoides 'Bonfire' 2
Euphorbia fulgens 7
Euphorbia graminea 'Inneuphdia' 3
Euphorbia griffithii 3
Euphorbia griffithii 'Fireglow' 2
Euphorbia heterophylla 1
Euphorbia 'Inneuphhel' 10
Euphorbia 'Jade Dragon' 4
Euphorbia lathyris 7
Euphorbia leucocephala 4
Euphorbia lomelii 1
Euphorbia marginata 4
Euphorbia ×martinii 5
Euphorbia ×martinii 'Ascot Rainbow' 15
Euphorbia mellifera 4
Euphorbia milii 8
Euphorbia milii 'Twisted Apricot' 1
Euphorbia myrsinites 11
Euphorbia 'Nothowlee' 2
Euphorbia polychroma 7
Euphorbia pulcherrima 289
Euphorbia punicea 3
Euphorbia resinifera 1
Euphorbia rigida 117
Euphorbia schillingii 4
Euphorbia sikkimensis 3
Euphorbia spinosa 2
Euphorbia tirucalli 7
Euphorbia tirucalli 'Rosea' 12
Euphorbia 'White Manaus' 7
Euptelea pleiosperma 1
Euptelea polyandra 3
Eurya 15
Eurya alata 2
Eurya aff. crenatifolia 3
Eurya crenatifolia 2
Eurya emarginata 2
Eurya japonica 7
Eurya japonica (dwarf gold) 1
Eurya japonica 'Ginyo Hisakaki' 4
Eurya japonica 'Golden Spreader' 5
Eurya japonica 'Meadow Snow' 1
Eurya japonica 'Moutiers' 6
Eurya japonica 'Sea Brocade' 2
Eurya japonica (variegated) 4
Eurya leptophylla 1
Eurya aff. leptophylla 1
Eurybia divaricata 14
Euryops 4
Euryops acraeus 1
Euryops 'Compacta Sun' 7
Euryops pectinatus 3
Euryops pectinatus subsp. pectinatus 5
Euryops tysonii 3
Euscaphis japonica 62
Eustoma 5
Eustoma grandiflorum 9
Eutrochium dubium 'Baby Joe' 1
Eutrochium fistulosum 19
Eutrochium fistulosum 'Bartered Bride' 3
Eutrochium maculatum 6
Eutrochium purpureum 33
Eutrochium purpureum 'Big Umbrella' 1
Eutrochium purpureum 'Joe White' 4
Evodia 1
Evolvulus glomeratus 'Blue Daze' 5
Exacum affine 2
Exbucklandia populnea 45
Exbucklandia tonkinensis 9
Exochorda 3
Exochorda 'Blizzard' 6
Exochorda giraldii var. wilsonii 4
Exochorda ×macrantha 'Bailmoon' 1
Exochorda ×macrantha 'The Bride' 2
Exochorda 'Niagara' 17
Exochorda racemosa 35
Exochorda 'Snow Mountain' 4
Fabiana imbricata 6
Fabiana imbricata 'Alba' 5
Fagopyrum esculentum 1
Fagus 9
Fagus crenata (virescent) 1
Fagus engleriana 4
Fagus grandifolia 47
Fagus grandifolia (Bill Barnes dwarf) 2
Fagus grandifolia 'White Lightning' 20
Fagus hayatae 2
Fagus lucida 7
Fagus orientalis 4
Fagus sylvatica 49
Fagus sylvatica 'Ansorgei' 5
Fagus sylvatica 'Aspleniifolia' 9
Fagus sylvatica 'Atropunicea' 2
Fagus sylvatica 'Aurea Pendula' 4
Fagus sylvatica 'Cristata' 4
Fagus sylvatica 'Dawyck' 1
Fagus sylvatica 'Dawyck Purple' 1
Fagus sylvatica 'Faux de Verzy' 3
Fagus sylvatica f. laciniata 2
Fagus sylvatica 'Mercedes' 2
Fagus sylvatica 'Pendula' 22
Fagus sylvatica 'Purple Fountain' 6
Fagus sylvatica f. purpurea 24
Fagus sylvatica 'Purpurea Nana' 1
Fagus sylvatica 'Purpurea Pendula' 2
Fagus sylvatica 'Purpurea Tricolor' 7
Fagus sylvatica 'Rohan Minaret' 8
Fagus sylvatica 'Rohanii' 2
Fagus sylvatica 'Swat Magret' 2
Fagus sylvatica f. tortuosa 5
Fagus sylvatica 'Zlatia' 9
Fallugia paradoxa 21
Farfugium 2
Farfugium japonicum 20
Farfugium japonicum 'Argenteum' 20
Farfugium japonicum 'Aureomaculatum' 22
Farfugium japonicum (crested) 4
Farfugium japonicum (crinkled and spotted) 1
Farfugium japonicum 'Crispatum' 9
Farfugium japonicum var. formosanum 14
Farfugium japonicum var. giganteum 4
Farfugium japonicum 'Jitsuko's Star' 14
Farfugium japonicum 'Kagami Jishi' 1
Farfugium japonicum 'Kaimon Dake' 6
Farfugium japonicum 'Kinkan' 4
Farfugium japonicum 'Mangetsu' 1
Farfugium japonicum 'Shishi Botan' 3
Farfugium 'Last Dance' 11
Fargesia murielae 2
Fargesia nitida 1
Fargesia robusta 1
Fargesia rufa 10
Fargesia rufa 'Oprins Selection' 4
Fargesia utilis 1
Fascicularia bicolor 4
×Fatshedera lizei 22
×Fatshedera lizei 'Angyo Star' 8
×Fatshedera lizei 'Annemieke' 7
×Fatshedera lizei 'Curly' 4
×Fatshedera lizei 'Monstrosa Variegata' 3
×Fatshedera lizei 'Pia' 5
×Fatshedera lizei 'Variegata' 1
Fatsia japonica 37
Fatsia japonica 'Murakumo Nishiki' 12
Fatsia japonica 'Sparky' 4
Fatsia japonica 'Sparky' 4
Fatsia japonica 'Spider's Web' 5
Fatsia japonica (splashed) 1
Fatsia japonica 'Variegata' 21
Fatsia oligocarpella 1
Fatsia polycarpa 66
Fatsia polycarpa (A1TW-100E) 2
Fatsia polycarpa 'Jade Dragon' 3
Fatsia polycarpa (Shitou giant form) 6
Faucaria 1
Felicia filifolia 2
Ferns (Miscellaneous) 2
Ferocactus 2
Ferocactus alamosanus 1
Ferocactus cylindraceus 6
Ferocactus cylindraceus subsp. lecontei 2
Ferocactus hamatacanthus 6
Ferocactus sinuatus var. davisii 3
Ferocactus wislizeni 3
Festuca 16
Festuca glauca 13
Festuca glauca 'Beyond Blue' 2
Festuca glauca 'Golden Toupee' 2
Festuca mairei 1
Festuca multinodis 1
Festuca scoparia 1
Fibigia clypeata 13
Ficaria verna 19
Ficaria verna 'Brambling' 2
Ficaria verna 'Brazen Hussy' 10
Ficaria verna 'Coffee Cream' 3
Ficaria verna 'Collarette' 2
Ficaria verna 'Coppernob' 16
Ficaria verna 'Double Mud' 6
Ficaria verna Flore Pleno Group 33
Ficaria verna 'Green Petal' 5
Ficaria verna 'Orange You Cute' 1
Ficaria verna (red splotch) 2
Ficaria verna 'Yaffle' 1
Ficinia spiralis 3
Ficus 47
Ficus afghanistanica 6
Ficus aspera 1
Ficus auriculata 30
Ficus benghalensis 17
Ficus benjamina 7
Ficus carica 13
Ficus carica 'Alma' 6
Ficus carica 'Chicago Hardy' 3
Ficus carica 'Jolly Tiger' 5
Ficus carica 'Kadota' 4
Ficus carica 'Lattarula' 7
Ficus carica 'LSU Purple' 5
Ficus carica 'Majoam' 3
Ficus carica 'Violette de Bordeaux' 4
Ficus elastica 5
Ficus elastica 'Ruby' 5
Ficus gasparriniana var. laceratifolia 11
Ficus heterophylla (Yucca Do form) 2
Ficus johannis subsp. afghanistanica 'Silver Lyre' 2
Ficus luschnathiana (Argentine form) 3
Ficus lyrata 3
Ficus microcarpa 5
Ficus montana 1
Ficus pumila 25
Ficus pumila × F. carica 2
Ficus pumila 'Quercifolia' 10
Ficus pumila 'Variegata' 4
Ficus sarmentosa 6
Ficus sarmentosa var. henryi 6
Ficus sarmentosa var. nipponica 2
Ficus sycomorus 2
Ficus tikoua 1
Ficus vaccinioides 10
Filipendula 2
Filipendula ulmaria 'Variegata' 7
Firmiana simplex 38
Fitzroya cupressoides 3
Foeniculum vulgare 9
Foeniculum vulgare 'Purpureum' 1
Foeniculum vulgare 'Rubrum' 8
Fokienia hodginsii 10
Fontanesia phillyreoides 2
Fontanesia phillyreoides subsp. fortunei 1
Fontanesia phillyreoides subsp. fortunei 'Titan' 8
Forestiera angustifolia 'Weeping' 26
Forestiera neo-mexicana 5
Forsythia 33
Forsythia 'Courtacour' 5
Forsythia 'Courtasol' 9
Forsythia 'Fiesta' 1
Forsythia giraldiana 1
Forsythia giraldiana 'Golden Times' 33
Forsythia ×intermedia 11
Forsythia ×intermedia 'Courdijau' 6
Forsythia ×intermedia 'Courtalyn' 1
Forsythia ×intermedia 'Ford Freeway' 12
Forsythia ×intermedia 'Gold Leaf' 1
Forsythia ×intermedia 'White Gold' 17
Forsythia koreana 'Ilgwang' 3
Forsythia koreana 'Kumson' 12
Forsythia koreana 'Suwan Gold' 7
Forsythia mandshurica 'Vermont Sun' 4
Forsythia 'New Hampshire Gold' 6
Forsythia ovata 'Tetragold' 1
Forsythia 'Susan Cryser' 1
Forsythia suspensa 3
Forsythia suspensa (white margined) 1
Forsythia viridissima 1
Forsythia viridissima 'Bronxensis' 5
Forsythia viridissima 'McKCitrine' 2
Fortunearia sinensis 15
Fortunella 1
Fothergilla 12
Fothergilla gardenii 29
Fothergilla gardenii 'Blue Mist' 2
Fothergilla gardenii 'Chattanooga' 7
Fothergilla gardenii 'Jane Platt' 4
Fothergilla gardenii 'Suzanne' 6
Fothergilla ×intermedia 'Blue Shadow' 9
Fothergilla ×intermedia 'Klmfifteen' 2
Fothergilla ×intermedia 'Klmsixteen' 1
Fothergilla ×intermedia 'Klmtwo' 10
Fothergilla ×intermedia 'Mount Airy' 27
Fothergilla ×intermedia 'Red Licorice' 5
Fothergilla major 10
Fothergilla major Monticola Group 5
Fothergilla 'Redneck Nation' 6
Fouquieria diguetii 1
Fouquieria macdougalii 2
Fouquieria splendens 6
Fragaria 38
Fragaria ×ananassa 2
Fragaria ×ananassa (yellow streaked) 1
Fragaria chiloensis 8
Fragaria 'Pink Panda' 1
Fragaria virginiana subsp. glauca 3
Frailea gracillima 1
Franklinia alatamaha 25
Frasera speciosa 13
Fraxinus 11
Fraxinus americana 3
Fraxinus angustifolia 'Raywood' 2
Fraxinus chinensis subsp. chinensis 3
Fraxinus excelsior 2
Fraxinus excelsior 'Aurea' 3
Fraxinus excelsior 'Aurea Pendula' 2
Fraxinus excelsior 'Handes' 12
Fraxinus excelsior 'Westhof's Glorie' 2
Fraxinus greggii 14
Fraxinus insularis 17
Fraxinus longicuspis 10
Fraxinus ornus 5
Fraxinus pennsylvanica 2
Fraxinus pennsylvanica 'Centerpoint' 3
Fraxinus pennsylvanica 'Oconee' 4
Fraxinus pennsylvanica 'Variegata' 2
Fraxinus quadrangulata 4
Fraxinus sieboldiana 27
Fraxinus sieboldiana 'Rising Sun' 4
Fraxinus sieboldiana (white dusted) 1
Fraxinus sogdiana 8
Freesia 8
Freesia corymbosa 1
Freesia 'Grandeur' 1
Fremontodendron 12
Fremontodendron californicum subsp. californicum 8
Fremontodendron californicum subsp. decumbens 2
Fremontodendron 'Ken Taylor' 2
Freycinetia banksii 2
Freycinetia cumingiana 2
Fritillaria 9
Fritillaria atropurpurea 2
Fritillaria biflora 2
Fritillaria camschatcensis 3
Fritillaria eduardii 1
Fritillaria imperialis 3
Fritillaria imperialis 'Lutea' 2
Fritillaria imperialis 'Lutea Maxima' 2
Fritillaria meleagris 11
Fritillaria meleagris 'Alba' 3
Fritillaria meleagris (mixed) 4
Fritillaria michailovskyi 4
Fritillaria michailovskyi 'Multiflora' 4
Fritillaria pallidiflora 9
Fritillaria persica 9
Fritillaria persica 'Ivory Bells' 1
Fritillaria raddeana 3
Fritillaria uva-vulpis 9
Fritillaria verticillata 39
Fuchsia 84
Fuchsia alpestris 2
Fuchsia arborescens 2
Fuchsia 'Bicentennial' 1
Fuchsia boliviana 7
Fuchsia 'Checkerboard' 2
Fuchsia 'Chillerton Beauty' 2
Fuchsia excorticata 8
Fuchsia excorticata 'Purpurea' 2
Fuchsia 'Genii' 4
Fuchsia hatschbachii 9
Fuchsia 'Howlett's Hardy' 1
Fuchsia magellanica 23
Fuchsia magellanica 'Alba' 5
Fuchsia magellanica 'Aurea' 7
Fuchsia magellanica var. gracilis 2
Fuchsia magellanica var. gracilis 'Tricolor' 10
Fuchsia magellanica 'Lady Bacon' 2
Fuchsia magellanica var. molinae 'Sharpitor' 2
Fuchsia magellanica 'Pumila' 3
Fuchsia 'Mephisto' 3
Fuchsia microphylla 7
Fuchsia 'Mrs Popple' 1
Fuchsia paniculata 3
Fuchsia 'Pat's Dream' 1
Fuchsia procumbens 1
Fuchsia 'Red Spider' 1
Fuchsia regia subsp. regia 2
Fuchsia 'Riccartonii' 2
Fuchsia 'Sanifpeco' 3
Fuchsia 'Sanihanf' 8
Fuchsia 'Sanistanf' 2
Fuchsia 'Sunistant' 1
Fuchsia triphylla 'Gartenmeister Bonstedt' 6
Fuchsia vulcanica 2
Furcraea foetida 9
Furcraea foetida 'Mediopicta' 6
Furcraea foetida (variegated) 1
Furcraea parmentieri 2
Furcraea selloa var. marginata 1
Gaillardia 17
Gaillardia aestivalis 3
Gaillardia aestivalis 'Glitz 'n Glamour' 15
Gaillardia aestivalis var. winkleri 22
Gaillardia aestivalis var. winkleri 'Grape Sensation' 21
Gaillardia aristata 9
Gaillardia 'Fanfare' 2
Gaillardia 'G15270' 3
Gaillardia 'G15272' 2
Gaillardia 3
Gaillardia ×grandiflora 6
Gaillardia ×grandiflora 'Bargaispinor' 6
Gaillardia ×grandiflora 'Bargaispinyel' 13
Gaillardia ×grandiflora 'Oranges and Lemons' 2
Gaillardia ×grandiflora 'Pas907056' 5
Gaillardia pulchella 9
Gaillardia pulchella 'Baltoryell' 10
Gaillardia pulchella 'Sundance Bicolor' 5
Gaillardia 9
Gaillardia 'Sunset Gold Dust' 12
Gaillardia 'Tizzy' 6
Galanthus 31
Galanthus 'Bertram Anderson' 10
Galanthus 'Curly' 4
Galanthus elwesii 29
Galanthus elwesii 'Cedric's Prolific' 2
Galanthus elwesii Edward Whittall Group 5
Galanthus elwesii var. monostictus 41
Galanthus gracilis 6
Galanthus (Greatorex double) 6
Galanthus 'Homersfield' 10
Galanthus nivalis 13
Galanthus nivalis 'Flore Pleno' 2
Galanthus nivalis 'Magnet' 23
Galanthus nivalis 'Warei' 1
Galanthus plicatus 2
Galanthus plicatus subsp. byzantinus 9
Galanthus plicatus subsp. byzantinus 'Three Ships' 6
Galanthus reginae-olgae 4
Galanthus reginae-olgae 'Tilebarn Jamie' 13
Galanthus samothracicus 2
Galanthus trojanus 2
Galanthus 'Wasp' 9
Galanthus woronowii 11
Galax aphylla 16
Galax urceolata 12
Galearis spectabilis 2
Galega 2
Galega ×hartlandii 'Alba' 2
Galeola nudifolia 5
Galium 1
Galium ambiguum 1
Galium boreale 3
Galium mexicanum 2
Galium odoratum 14
Galium septentrionale 1
Galphimia glauca 3
Galphimia gracilis 8
Galtonia 1
Galtonia candicans 5
Galtonia princeps 2
Gamblea innovans 6
Garcinia dulcis 3
Gardenia 14
Gardenia '4Bellacj01' 1
Gardenia (CP 13 ER 634) 2
Gardenia jasminoides 25
Gardenia jasminoides 'Buttons' 3
Gardenia jasminoides 'Chuck Hayes' 13
Gardenia jasminoides 'Crown Jewel' 7
Gardenia jasminoides 'Cutie Pie' 2
Gardenia jasminoides 'Cutie Pie' 1
Gardenia jasminoides 'Daruma' 8
Gardenia jasminoides 'Four Seasons' 1
Gardenia jasminoides 'Griffith's Select' 6
Gardenia jasminoides (Jenkins form) 4
Gardenia jasminoides 'Kaleidoscope' 6
Gardenia jasminoides 'Kleim's Hardy' 7
Gardenia jasminoides 'Leeone' 19
Gardenia jasminoides 'Lynn Lowrey' 8
Gardenia jasminoides 'Lynn Lowrey' 11
Gardenia jasminoides 'Madga 1' 8
Gardenia jasminoides 'Michael' 12
Gardenia jasminoides 'Ogon-no-hana' 15
Gardenia jasminoides 'Radicans' 6
Gardenia jasminoides 'Shooting Star' 6
Gardenia jasminoides 'Variegata' 2
Gardenia jasminoides (variegated) 2
Gardenia jasminoides (variegated, double flower) 8
Gardenia jasminoides (variegated, single flower) 6
Gardenia jasminoides 'White Gem' 11
Gardenia 'Prince Charles' 8
Garrya 3
Garrya elliptica 13
Garrya elliptica 'James Roof' 10
Gaultheria adenothrix 1
Gaultheria griffithiana 2
Gaultheria hookeri 4
Gaultheria itoana 8
Gaultheria leucocarpa var. cumingiana 1
Gaultheria mucronata 3
Gaultheria mucronata 'Rubra' 4
Gaultheria mucronata (white berried) 2
Gaultheria procumbens 14
Gaultheria shallon 16
Gaultheria ×wisleyensis 'Wisley Pearl' 3
Gaura 1
Gaura 'KLEAU04263' 3
Gaura lindheimeri 16
Gaura lindheimeri 'Benso' 1
Gaura lindheimeri 'Corrie's Gold' 2
Gaura lindheimeri 'Dgaur137' 9
Gaura lindheimeri 'Harrosy' 1
Gaura lindheimeri 'Petite Pink' 4
Gaura lindheimeri 'Siskiyou Pink' 3
Gaura lindheimeri 'Sparkle White' 12
Gaura lindheimeri 2
Gaura lindheimeri 'Whirling Butterflies' 1
Gaylussacia baccata 3
Gazania 24
Gazania krebsiana 21
Gazania linearis 13
Gazania 'Takatu Red' 3
Gelasine elongata 1
Gelsemium 6
Gelsemium rankinii 2
Gelsemium sempervirens 23
Gelsemium sempervirens 'Pride of Augusta' 21
Gelsemium sempervirens 'Woodlanders Pale Yellow' 9
Genista 12
Genista aetnensis 13
Genista canariensis 1
Genista carinalis 14
Genista hispanica 2
Genista horrida 5
Genista lydia 4
Genista pilosa 'Vancouver Gold' 5
Genista sagittalis 11
Genista tinctoria 1
Genista tinctoria 'Flore Pleno' 10
Gentiana 24
Gentiana acaulis 3
Gentiana andrewsii 1
Gentiana aslepiadea 8
Gentiana aslepiadea 'Alba' 3
Gentiana autumnalis 19
Gentiana olivieri 1
Gentiana prostrata 3
Gentiana saponaria 21
Gentiana scabra var. beugeri 2
Gentiana scabrida 8
Gentiana septemfida 3
Gentiana sino-ornata 2
Gentiana uchiyamae 1
Gentiana veitchiorum 2
Geonoma undata 1
Geranium 44
Geranium 'Anne Thomson' 1
Geranium 'Blushing Turtle' 4
Geranium 'Brookside' 6
Geranium caespitosum 18
Geranium canariense 3
Geranium ×cantabrigiense 'Biokovo' 2
Geranium ×cantabrigiense 'Cambridge' 4
Geranium [Cinereum Group] 'Ballerina' 2
Geranium [Cinereum Group] 'Gerfos' 2
Geranium 'Gerwat' 17
Geranium 'Johnson's Blue' 6
Geranium 'Jolly Bee' 1
Geranium macrorrhizum 3
Geranium macrorrhizum 'Czakor' 2
Geranium macrorrhizum 'Ingwersen's Variety' 1
Geranium maculatum 16
Geranium maculatum 'Espresso' 5
Geranium maderense 10
Geranium ×magnificum 2
Geranium 'Nimbus' 4
Geranium 'Noortnight' 2
Geranium oreganum 4
Geranium ×oxonianum 4
Geranium ×oxonianum 'Claridge Druce' 3
Geranium ×oxonianum f. thurstonianum 5
Geranium ×oxonianum 'Wargrave Pink' 3
Geranium palmatum 2
Geranium phaeum 'Raven' 2
Geranium phaeum 'Samobor' 15
Geranium phaeum 'Springtime' 3
Geranium pratense 3
Geranium pratense 'Hocus Pocus' 2
Geranium pratense 'Victor Reiter, Jr.' 3
Geranium psilostemon 9
Geranium pyrenaicum 1
Geranium renardii 2
Geranium reuteri 2
Geranium richardsonii 12
Geranium robertianum 1
Geranium sanguineum 8
Geranium sanguineum 'Album' 5
Geranium sanguineum 'Glenluce' 6
Geranium sanguineum 'Max Frei' 6
Geranium sanguineum 'New Hampshire Purple' 1
Geranium sanguineum var. striatum 8
Geranium 'Tiny Monster' 3
Geranium tuberosum 12
Geranium viscosissimum 13
Geranium wallichianum 4
Geranium wlassovianum 5
Gerbera 27
Gerbera (ex. Garvinea Sweet Dreams) 9
Gerbera 'Garlisa' 3
Gerbera 17
Gerbera jamesonii 9
Gerbera 'White' 2
Geum 5
Geum 'Eos' 2
Geum rossii 8
Geum rossii var. turbinatum 15
Geum 'Starker's Magnificum' 7
Geum 'TNGEUPP' 6
Geum 'TNGEUTR' 13
Geum 'Tngeuty' 1
Geum triflorum 11
Gilia capitata 3
Gingidia grisea 2
Ginkgo biloba 139
Ginkgo biloba 'Blagon' 3
Ginkgo biloba 'Chase Manhattan' 2
Ginkgo biloba 'Fairmount' 2
Ginkgo biloba 'Gnome' 8
Ginkgo biloba 'Jade Butterflies' 2
Ginkgo biloba 'Jagged Jade' 5
Ginkgo biloba 'JFS-UGA2' 11
Ginkgo biloba 'Klmm' 1
Ginkgo biloba 'Majestic Butterfly' 13
Ginkgo biloba 'Mariken' 5
Ginkgo biloba 'Mayfield' 4
Ginkgo biloba 'Pendula' 7
Ginkgo biloba 'Princeton Sentry' 1
Ginkgo biloba 'Robbie's Twist' 4
Ginkgo biloba 'Ross Moore' 5
Ginkgo biloba 'Saratoga' 1
Ginkgo biloba 'Spring Grove' 3
Ginkgo biloba 'Spring Grove WB87' 1
Ginkgo biloba 'Sunstream' 1
Ginkgo biloba 'Troll' 4
Ginkgo biloba 'Tschi Tschi' 61
Ginkgo biloba 'Tubeleaf' 3
Ginkgo biloba 'Variegata' 7
Ginkgo biloba 'Weeping Wonder' 11
Ginkgo biloba 'White Lightning' 8
Ginkgo biloba (white streaked) 1
Gladiolus 147
Gladiolus 'Atomic' 3
Gladiolus communis 8
Gladiolus communis 'Cruentus' 2
Gladiolus communis 'Texas Snow Flurry' 2
Gladiolus dalenii 2
Gladiolus dalenii 'Bolivian Peach' 2
Gladiolus dalenii 'Halloweenie' 42
Gladiolus 'Flevo Amico' 6
Gladiolus 'Flevo Jive' 5
Gladiolus 'Flevo Junior' 10
Gladiolus 'Flevo Kosmic' 14
Gladiolus 'Friendship' 1
Gladiolus ×gandavensis 4
Gladiolus ×gandavensis 'Boone' 3
Gladiolus italicus 7
Gladiolus 'Las Vegas' 8
Gladiolus murielae 11
Gladiolus nanus 'Halley' 5
Gladiolus papilio 12
Gladiolus permeabilis 1
Gladiolus saundersii 3
Gladiolus 'White Friendship' 1
Gladiolus 'Zizane' 2
Glandularia aristigera 2
Glandularia canadensis 17
Glandularia canadensis 'James' Joy' 3
Glandularia canadensis (white) 3
Glaucidium palmatum 10
Glaucium fimbrilligerum 25
Glaucium flavum 6
Glaucium grandiflorum 2
Glebionis carinatum 3
Gleditsia 8
Gleditsia japonica var. koraiensis 2
Gleditsia sinensis 9
Gleditsia triacanthos 6
Gleditsia triacanthos f. inermis 32
Gleditsia triacanthos f. inermis 'Draves' 5
Gleditsia triacanthos f. inermis 'Elegantissima' 4
Gleditsia triacanthos f. inermis 'Emerald Kascade' 28
Gleditsia triacanthos f. inermis 'Suncole' 3
Globba clarkei 12
Globba schomburghii 5
Globba winitii 1
Globularia cordifolia 7
Globularia pseudo-nana 6
Globularia punctata 2
Globularia trichosantha 2
Globularia valentina 7
Glochidion puberum 1
Glochidion triandrum 8
Gloriosa 2
Gloriosa superba 48
Gloriosa superba 'Lutea' 5
Gloriosa superba 'Rothschildiana' 28
Glottiphyllum angustum 5
Glottiphyllum latum 10
Glottiphyllum nelii 1
Gloxinia 5
Glyptostrobus pensilis 20
Gomphocarpus fruticosus 3
Gomphocarpus physocarpus 19
Gomphostigma virgatum 'White Candy' 2
Gomphrena 8
Gomphrena 'Fireworks' 7
Gomphrena globosa 3
Gomphrena globosa 'Sakgom003' 6
Gomphrena globosa 'Sakgom004' 5
Gomphrena pulchella 'PAST0517E' 1
Goodyera 6
Goodyera oblongifolia 15
Goodyera pubescens 10
×Gordlinia grandiflora 15
×Gordlinia grandiflora 'Sweet Tea' 8
Gordonia axillaris 3
Gordonia axillaris × G. taiwanensis 2
Gordonia kwangsiensis 1
Gordonia lasianthus 26
Gordonia lasianthus 'Dr. Keith' 4
Gordonia lasianthus 'Variegata' 4
Gordonia szechuanensis 2
Gordonia yunnanensis 1
Gossypium 6
Gossypium herbaceum 'Nigra' 1
Graptopetalum paraguayense 2
Graptophyllum pictum 'Chocolate' 1
Graptophyllum pictum 'Tricolor' 1
×Graptosedum 'Vera Higgins' 10
Grayia spinosa 4
Grevillea 10
Grevillea banksii 2
Grevillea 'Bonnie Prince Charlie' 2
Grevillea 'Bronze Ramble' 2
Grevillea 'Canberra Gem' 5
Grevillea 'Fanfare' 2
Grevillea ×gaudichaudii 2
Grevillea 'Granya Glory' 2
Grevillea johnsonii 3
Grevillea juniperina subsp. sulphurea 4
Grevillea lanigera 4
Grevillea lanigera 'Mt. Tamboritha' 3
Grevillea longistyla 1
Grevillea 'Mason's Hybrid' 4
Grevillea miqueliana 1
Grevillea 'Poorinda Leane' 19
Grevillea 'Poorinda Peter' 3
Grevillea 'Poorinda Royal Mantle' 4
Grevillea 'Red Cloud' 3
Grevillea robusta 13
Grevillea rosmarinifolia 4
Grevillea rosmarinifolia 'Jenkinsii' 4
Grevillea victoriae 6
Grevillea victoriae 'Marshall Olbrich' 15
Grevillea victoriae 'Murray Valley Queen' 1
Grewia biloba 7
Grewia biloba var. parviflora 3
Grewia occidentalis 3
Greyia radlkoferi 4
Greyia sutherlandii 1
Grindelia hirsutula 9
Griselinia littoralis 4
Griselinia littoralis 'Variegata' 5
Grusonia clavata 10
Guaiacum coulteri 2
Gunnera 29
Gunnera insignis 3
Gunnera magellanica 4
Gunnera manicata 69
Gunnera monoica 1
Gunnera tinctoria 7
Gutierrezia microcephala 8
Gymnocalycium bruchii 2
Gymnocalycium bruchii var. albispinum 9
Gymnocalycium deeszianum 5
Gymnocalycium doppianum 2
Gymnocalycium gibbosum 2
Gymnocalycium monvillei 4
Gymnocalycium multiflorum 1
Gymnocladus chinensis 1
Gymnocladus dioicus 12
Gymnocladus dioicus 'Kentucky Colonel' 17
Gymnocladus dioicus 'Variegata' 5
Gynura 1
Gynura bicolor 2
Gypsophila 4
Gypsophila aretioides 3
Gypsophila cerastioides 1
Gypsophila muralis 'Gypsy Deep Rose' 7
Gypsophila paniculata 17
Gypsophila repens 2
Habenaria 2
Haberlea rhodopensis 5
Habranthus 6
Habranthus brachyandrus 7
Habranthus brachyandrus (striped flower) 1
Habranthus ×floryi (purple base) 6
Habranthus ×floryi (red base) 1
Habranthus gracilifolius 2
Habranthus martinezii 20
Habranthus 'Pink Flamingos' 19
Habranthus robustus 22
Habranthus robustus 'Russell Manning' 27
Habranthus tubispathus var. texanus 22
Hackelia floribunda 3
Hacquetia epipactis 2
Hakea lissosperma 3
Hakea microcarpa 17
Hakea minyma 1
Hakea orthorrhyncha 5
Hakea petiolaris 1
Hakea salicifolia 1
Hakea salicifolia 'Gold Medal' 3
Hakonechloa 2
Hakonechloa macra 5
Hakonechloa macra 'Alboaurea' 2
Hakonechloa macra 'All Gold' 17
Hakonechloa macra 'Aureola' 13
Hakonechloa macra 'Beni-kaze' 1
Hakonechloa macra 'Briform' 1
Hakonechloa macra 'Nicolas' 1
Halesia 10
Halesia diptera 2
Halesia diptera var. diptera 2
Halesia diptera var. magniflora 91
Halesia diptera var. magniflora 'PRN Snowstorm' 3
Halesia macgregorii 5
Halesia parviflora 20
Halesia tetraptera var. monticola 3
Halesia tetraptera var. monticola 'Rosea' 4
Halesia tetraptera var. tetraptera 13
Halesia tetraptera var. tetraptera 'Variegata' 5
Halesia tetraptera 'Tyler's Variegated' 2
Halimiocistus sahuccii 1
×Halimiocistus wintonensis 'Merrist Wood Cream' 2
Halimium lasianthum 3
Halimium lasianthum subsp. formosum 'Sandling' 1
Halocarpus bidwillii 3
Halocarpus kirkii 2
Hamamelis 49
Hamamelis 'Amethyst' 31
Hamamelis 'Brevipetala' 1
Hamamelis 'Feuerzauber' 6
Hamamelis ×intermedia 5
Hamamelis ×intermedia 'Angelly' 2
Hamamelis ×intermedia 'Aphrodite' 1
Hamamelis ×intermedia 'Arnold Promise' 27
Hamamelis ×intermedia 'Aurora' 11
Hamamelis ×intermedia 'Barbara' 1
Hamamelis ×intermedia 'Candlelight Vigil' 1
Hamamelis ×intermedia 'Diane' 52
Hamamelis ×intermedia 'Doerak' 14
Hamamelis ×intermedia 'Double Gold' 1
Hamamelis ×intermedia 'Gingerbread' 5
Hamamelis ×intermedia 'Hiltingbury' 2
Hamamelis ×intermedia 'Jelena' 46
Hamamelis ×intermedia 'Moonlight' 1
Hamamelis ×intermedia 'Orange Beauty' 2
Hamamelis ×intermedia 'Orange Peel' 1
Hamamelis ×intermedia 'Pallida' 31
Hamamelis ×intermedia 'Primavera' 11
Hamamelis ×intermedia 'Rubinstar' 8
Hamamelis ×intermedia 'Ruby Glow' 9
Hamamelis ×intermedia 'Sunburst' 26
Hamamelis ×intermedia 'Sweet Sunshine' 6
Hamamelis ×intermedia 'Tsukuba no Kurenai' 14
Hamamelis ×intermedia 'Twilight' 8
Hamamelis ×intermedia 'Westerstede' 11
Hamamelis ×intermedia 'Wiero' 44
Hamamelis ×intermedia 'Winter Beauty' 7
Hamamelis japonica 'Arborea' 2
Hamamelis japonica 'Falling Star' 5
Hamamelis japonica 'Little Yamaguchi' 5
Hamamelis japonica 'Pendula' 1
Hamamelis japonica (yellow splashed) 1
Hamamelis japonica 'Zuccariniana' 3
Hamamelis mollis 8
Hamamelis mollis 'Early Bright' 13
Hamamelis mollis (gold dusted) 1
Hamamelis mollis 'Goldcrest' 21
Hamamelis mollis (white splashed) 1
Hamamelis mollis 'Wisley Supreme' 30
Hamamelis ovalis 9
Hamamelis vernalis 13
Hamamelis vernalis f. carnea 10
Hamamelis vernalis 'Christmas Cheer' 1
Hamamelis vernalis 'Groy' 10
Hamamelis vernalis 'Klmnineteen' 15
Hamamelis vernalis 'KLMT' 4
Hamamelis vernalis 'Quasimodo' 16
Hamamelis vernalis 'Sandra' 6
Hamamelis vernalis 'Washington Park' 7
Hamamelis virginiana 17
Hamamelis virginiana 'Green Thumb' 18
Hamamelis virginiana 'Harvest Moon' 3
Hamamelis virginiana var. henryae 10
Hamamelis virginiana 'Lemon Lime' 3
Hamamelis virginiana 'Little Suzie' 6
Hamamelis virginiana var. mexicana 17
Hamelia cuprea 1
Hamelia patens 7
Hamelia patens 'Grelmsiz' 2
Handroanthus chrysotrichus 3
Handroanthus heptaphyllus 3
Handroanthus impetiginosus × H. chrysotrichus 6
Handroanthus umbellatus 3
Harperocallis flava 2
Harpochloa falx 2
Hastingsia alba 5
Hatiora salicornioides 2
Haworthia 3
Hebe 57
Hebe adamsii 1
Hebe biggarii 1
Hebe bollonsii 2
Hebe buchananii 6
Hebe buxifolia 2
Hebe cockayniana 1
Hebe cupressoides 3
Hebe epacridea 2
Hebe glaucophylla 1
Hebe glaucophylla 'Clarence' 4
Hebe 'Gnome' 1
Hebe 'Harperi' 2
Hebe hectorii 2
Hebe 'Heidi' 4
Hebe 'Hinerua' 4
Hebe 'Karo Golden Esk' 1
Hebe 'Lavender Lace' 1
Hebe lycopodioides 6
Hebe 'Mary Antoinette' 1
Hebe 'Midnight Sun' 5
Hebe ochracea 4
Hebe ochracea 'James Stirling' 2
Hebe 'Oratia Beauty' 1
Hebe 'Pewter Dome' 4
Hebe pimeleoides 1
Hebe pimeleoides 'Quicksilver' 5
Hebe pinguifolia 1
Hebe pinguifolia 'Sutherlandii' 5
Hebe 'Pink Pixie' 3
Hebe propinqua 1
Hebe salicifolia 5
Hebe 'Tapawera' 4
Hebe topiaria 5
Hebe townsonii 2
Hebe venustula 2
Hebe 'Wiri Dawn' 7
Hebe 'Wiri Joy' 1
Hebe 'Wiri Spears' 4
Hebe 'Youngii' 1
Hechtia 2
Hechtia montana 1
Hechtia podantha 2
Heckelia floribunda 3
Hedeoma todsenii 3
Hedera 83
Hedera algeriensis 'Gloire de Marengo' 2
Hedera algeriensis 'Gloire de Marengo' (adult form) 1
Hedera canariensis 2
Hedera canariensis 'Variegata' 8
Hedera colchica 7
Hedera colchica (adult form) 11
Hedera colchica 'Dentata' (adult form) 5
Hedera colchica 'Dentata Variegata' 5
Hedera colchica 'Green Spice' (adult form) 3
Hedera colchica 'Sulphur Heart' 6
Hedera helix 66
Hedera helix 4
Hedera helix 'Buttercup' 2
Hedera helix 'California Fan' 3
Hedera helix 'Conglomerata' 1
Hedera helix 'Glacier' 6
Hedera helix 'Glacier' (adult form) 2
Hedera helix 'Gnome' 1
Hedera helix 'Lexington Gardens' 3
Hedera helix 'Mint Kolibri' 1
Hedera helix 'Oro di Bogliasco' 4
Hedera helix 'Oro di Bogliasco' (adult form) 5
Hedera helix 'Prince Avenue' (adult form) 10
Hedera helix 'Spetchley' 1
Hedera helix 'Treetop' 6
Hedera helix 'Treetop' (adult form) 9
Hedera nepalensis 6
Hedera nepalensis var. sinensis 'Marbled Dragon' 1
Hedera pastuchovii (adult form) 6
Hedera pastuchowii 2
Hedera rhombea 'Creme de Menthe' 5
Hedera rhombea 'Korean Dwarf' 8
Hedera rhombea 'Ryuku Island' 6
Hedycarya arborea 3
Hedychium 34
Hedychium 'Anne Bishop' 1
Hedychium (BCHW.071) 4
Hedychium 'Betty Hodge' 11
Hedychium coccineum 12
Hedychium coccineum 'Applecourt' 1
Hedychium coccineum 'Disney' 8
Hedychium coronarium 8
Hedychium 'Daniel Weeks' 7
Hedychium densiflorum 5
Hedychium densiflorum 'Stephen' 6
Hedychium 'Dr. Moy' 25
Hedychium 'Elizabeth' 12
Hedychium flavescens 4
Hedychium flavum 1
Hedychium gardnerianum 1
Hedychium gardnerianum 'Extendum' 6
Hedychium gardnerianum 'Tara' 22
Hedychium 'Golden Butterfly' 10
Hedychium 'Golden Glow' 2
Hedychium greenii 2
Hedychium (Hm-V2) 4
Hedychium ×kewense 5
Hedychium 'Kinkaku' 8
Hedychium 'Moy Giant' 16
Hedychium 'Orange Crush' 9
Hedychium 'Peach Delight' 7
Hedychium 'Pink Princess' 1
Hedychium 'Pink V' 14
Hedychium rubrum 22
Hedychium 'Sherry Baby' 7
Hedychium 'Slim's Orange' 8
Hedychium 'Tai Conch Pink' 7
Hedychium 'Tai Emperor' 6
Hedychium 'Tai Golden Goddess' 17
Hedychium 'Tai Mammoth' 13
Hedychium 'Tai Savannah' 3
Hedychium aff. tengchongense 8
Hedychium thyrsiforme × H. maximum 3
Hedychium 'White Starburst' 17
Hedychium (yellow giant) 4
Hedychium yunnanense (A1VT-085) 4
Heimia salicifolia 9
Helenium 12
Helenium bigelovii 2
Helianthella quinquenervis 5
Helianthella uniflora 18
Helianthemum 6
Helianthemum apenninum 2
Helianthemum 'Henfield Brilliant' 2
Helianthemum lavandulifolium 10
Helianthemum nummularium 'Ben Mohr' 9
Helianthemum nummularium 'Rose Glory' 10
Helianthemum ovatum 3
Helianthus 61
Helianthus angustifolius 8
Helianthus angustifolius 'Short Stuff' 2
Helianthus annuus 44
Helianthus annuus 'Prado Gold' 5
Helianthus annuus 'Ring of Fire' 5
Helianthus annuus 'Velvet Queen' 2
Helianthus 'Lemon Queen' 4
Helianthus longifolius 17
Helianthus ×multiflorus 'Capenoch Star' 1
Helianthus petiolaris 1
Helianthus radula 5
Helianthus salicifolius 3
Helianthus simulans 1
Helichrysum 2
Helichrysum aureum (dwarf form) 3
Helichrysum cooperi 3
Helichrysum italicum 7
Helichrysum italicum 'Nanum' 1
Helichrysum petiolare 6
Helichrysum retortum 2
Helichrysum thianschanicum 2
Helicodiceros muscivorus 3
Heliconia 58
Heliconia latispatha 1
Heliconia 'Pedro Ortiz' 1
Heliconia psittacorum 'Lady Di' 1
Helictotrichon sempervirens 6
Helictotrichon sempervirens 'Saphirsprudel' 2
Heliopsis helianthoides 10
Heliopsis helianthoides 'Inhelsodor' 3
Heliopsis helianthoides 'Prairie Sunset' 9
Heliopsis helianthoides 'Summer Eclipse' 6
Heliopsis 'Punto Rosso' 4
Heliopsis 'Tuscan Sun' 6
Heliotropium 3
Heliotropium amplexicaule 18
Heliotropium arborescens 4
Heliotropium arborescens 4
Heliotropium curassavicum 3
Heliotropium 'WNHPAULAV' 5
Helleborus 92
Helleborus 'ABCRD01' 2
Helleborus 'Abcrd02' 26
Helleborus argutifolius 14
Helleborus argutifolius 'Coseh 900' 1
Helleborus argutifolius 'Janet Stames' 3
Helleborus atrorubens 25
Helleborus ×ballardiae 4
Helleborus ×ballardiae 'Coseh 720' 11
Helleborus ×ballardiae 'Coseh 810' 16
Helleborus ×ballardiae 'Raulston Remembered' 24
Helleborus bocconei 10
Helleborus 'Coseh 700' 1
Helleborus croaticus 6
Helleborus croaticus 'Bells of the Ball' 2
Helleborus cyclophyllus 16
Helleborus dumetorum 5
Helleborus 'Epb 29' 3
Helleborus ×ericsmithii 8
Helleborus ×ericsmithii 'Coseh 790' 16
Helleborus ×ericsmithii 'Pirouette' 10
Helleborus ×ericsmithii 'Winter Moonbeam' 4
Helleborus ×ericsmithii 'Winter Sunshine' 10
Helleborus foetidus 40
Helleborus foetidus 'Gertrude Jekyll' 9
Helleborus foetidus 'Gold Bullion' 3
Helleborus foetidus 'Piccadilly' 9
Helleborus foetidus 'Pontarlier' 13
Helleborus foetidus (variegated) 6
Helleborus foetidus Wester Flisk Group 5
Helleborus ×glandorfensis 'Coseh 4100' 6
Helleborus ×glandorfensis 'Coseh 4500' 1
Helleborus 'HGC Madame Lemonnier' 1
Helleborus ×hybridus 208
Helleborus ×hybridus (#217B) 1
Helleborus ×hybridus (Ashwood Garden hybrids) 28
Helleborus ×hybridus (best yellow) 5
Helleborus ×hybridus 'Cattleya Semline' 5
Helleborus ×hybridus (dark pink shades) 7
Helleborus ×hybridus (double flower) 14
Helleborus ×hybridus 'Golden Sunrise' 12
Helleborus ×hybridus × H. multifidus subsp. hercegovinus 8
Helleborus ×hybridus (Heronswood Double Purple strain) 4
Helleborus ×hybridus (mid-pink shades) 10
Helleborus ×hybridus 'Mrs. Betty Ranicar' 5
Helleborus ×hybridus 'Painted' 1
Helleborus ×hybridus (pale pink shades) 10
Helleborus ×hybridus 'Pamina' 6
Helleborus ×hybridus (PDN #52B) 2
Helleborus ×hybridus (PDN#706) 2
Helleborus ×hybridus 'Peppermint Ice' 3
Helleborus ×hybridus (Pine Knot Farms variegated) 3
Helleborus ×hybridus (Pine Knot Farms yellow) 4
Helleborus ×hybridus 'Pine Knot Select' 5
Helleborus ×hybridus (Royal Heritage strain) 18
Helleborus ×hybridus (Schmiemann red strain) 7
Helleborus ×hybridus (slate black purple) 3
Helleborus ×hybridus 'Snow Queen' 2
Helleborus ×hybridus (variegated) 8
Helleborus liguricus 13
Helleborus lividus 17
Helleborus multifidus subsp. hercegovinus 1
Helleborus multifidus subsp. multifidus 2
Helleborus niger 22
Helleborus niger subsp. macranthus 7
Helleborus niger 'Potter's Wheel' 2
Helleborus ×nigercors 5
Helleborus ×nigercors 'Coseh 830' 2
Helleborus ×nigersmithii 'Walhelivor' 4
Helleborus ×nigersmithii 'Walhelivor' 3
Helleborus odorus 17
Helleborus purpurascens 7
Helleborus purpurascens 'Red Power' 6
Helleborus ×sahinii 'Winterbells' 1
Helleborus ×sternii 6
Helleborus ×sternii Blackthorn Group 2
Helleborus ×sternii 'Boughton Beauty' 6
Helleborus ×sternii 'Fire and Ice' 28
Helleborus ×sternii 'Hot Flashes' 2
Helleborus ×sternii (Montrose strain) 5
Helleborus ×sternii (Pine Knot Farms strain) 7
Helleborus thibetanus 4
Helleborus torquatus 8
Helleborus vesicarius 3
Helleborus viridis 14
Heloniopsis acutifolia 2
Heloniopsis orientalis 1
Heloniopsis orientalis 'Flash Dance' 9
Helwingia 3
Helwingia chinensis 8
Helwingia japonica 9
Helwingia japonica subsp. formosana 1
Helwingia japonica var. japonica 7
Helwingia japonica (variegated) 2
Helwingia (male) 9
Helwingia omeiensis 5
Hemerocallis 113
Hemerocallis 3
Hemerocallis 'Atlanta Moonlight' 4
Hemerocallis aurantiaca major 1
Hemerocallis 'Autumn Daffodil' 5
Hemerocallis 'Autumn Minaret' 15
Hemerocallis 'Autumn Prince' 9
Hemerocallis 'Barbara Mitchell' 4
Hemerocallis 'Becky Lynn' 4
Hemerocallis 'Bertie Ferris' 3
Hemerocallis 'Black Arrowhead' 1
Hemerocallis 'Calypso' 6
Hemerocallis 'Cartwheels' 2
Hemerocallis 'Challenger' 9
Hemerocallis 'Cinderella's Dark Side' 5
Hemerocallis citrina 9
Hemerocallis 'Colonel Southall' 6
Hemerocallis 'Cosmic Struggle' 2
Hemerocallis 'Dancing Shiva' 2
Hemerocallis 'Darrow' 2
Hemerocallis dumortieri 14
Hemerocallis esculenta 1
Hemerocallis 'Evening Gown' 4
Hemerocallis 'Fellow' 2
Hemerocallis flava × H. dumortieri 1
Hemerocallis fulva 15
Hemerocallis fulva 'Flore Pleno' 8
Hemerocallis fulva var. kwanso 1
Hemerocallis 'Going Bananas' 2
Hemerocallis 'Golden Chimes' 2
Hemerocallis 'Happy Returns' 1
Hemerocallis 'Hint of Blue' 10
Hemerocallis 'Hortensia' 8
Hemerocallis 'Hyperion' 3
Hemerocallis 'Janice Brown' 3
Hemerocallis 'Jordan's Jazz' 7
Hemerocallis 'Lady Fingers' 3
Hemerocallis 'Leebea Orange Crush' 7
Hemerocallis 'Lil' Red Wagon' 1
Hemerocallis lilioasphodelus 3
Hemerocallis littorea 2
Hemerocallis 'Luxury Lace' 6
Hemerocallis 'Mary Todd' 5
Hemerocallis 'Milk Chocolate' 3
Hemerocallis minor 5
Hemerocallis 'My Belle' 8
Hemerocallis 'Naomi Ruth' 2
Hemerocallis 'Neon Flamingo' 8
Hemerocallis 'Nona's Garnet Spider' 5
Hemerocallis 'Nosferatu' 8
Hemerocallis 'Penny's Worth' 2
Hemerocallis 'Primal Scream' 8
Hemerocallis 'Pterodactyl Eye' 10
Hemerocallis 'Puddin' 4
Hemerocallis 'Purple Heart' 1
Hemerocallis 'Red Beacon' 2
Hemerocallis 'Renee' 5
Hemerocallis 'Ruby Spider' 5
Hemerocallis 'Ruffled Apricot' 6
Hemerocallis 'Shelby's' 5
Hemerocallis 'Siloam Peony Display' 4
Hemerocallis 'Siloam Red Toy' 4
Hemerocallis 'South Seas' 4
Hemerocallis 'Stella de Oro' 10
Hemerocallis 'Stoplight' 5
Hemerocallis 'Taos' 11
Hemerocallis 'Thin Man' 6
Hemerocallis 'VT Spirit' 9
Hemerocallis yezoensis 9
Hemiboea 6
Hemiboea bicornuta 8
Hemiboea aff. cavaleriei 4
Hemiboea omeiensis 3
Hemiboea subacaulis var. jiangxiensis 'Jiangxi Bells' 5
Hemiboea subcapitata 19
Hemiboea subcapitata var. subcapitata 1
Hemiptelea davidii 2
Hepatica 6
Hepatica acutiloba 8
Hepatica acutiloba (A1AL-005.1) 2
Hepatica acutiloba (A1AL-005.2) 3
Hepatica acutiloba (A1AL-006) 1
Hepatica acutiloba (A2AL-015) 6
Hepatica americana 25
Hepatica nobilis 13
Hepatica nobilis (compact form) 1
Hepatica nobilis var. pygmaeus 'Stained Glass' 1
Hepatica nobilis (speckled) 1
Hepatica yamatutai 1
Heptacodium miconioides 39
Heracleum maximum 3
Herbertia lahue 2
Herbertia lahue subsp. caerulea 6
Hermannia flammea 1
Hermodactylus tuberosus 55
Herniaria 2
Herniaria glabra 1
Hertia cheirifolia 43
Hesperaloe 3
Hesperaloe 'Arizona Sunrise' 3
Hesperaloe 'Arizona Sunset' 6
Hesperaloe campanulata 19
Hesperaloe campanulata (Sierra Chiquita form) 18
Hesperaloe funifera 8
Hesperaloe parviflora 32
Hesperaloe parviflora 'Coral Glow' 5
Hesperaloe parviflora 'Straight Up Red' 2
Hesperaloe parviflora (yellow) 4
Hesperantha coccinea 7
Hesperis matronalis 4
Heteromeles arbutifolia 4
Heteropterys angustifolia 2
Heteropterys glabra 73
Heterothalamus alienus 2
Heterotheca jonesii 4
Heterotheca pumila 3
Heterotheca villosa 30
Heterotheca villosa × jonesii 1
Heuchera 41
Heuchera 'Amber Waves' 1
Heuchera americana 16
Heuchera 'Black Beauty' 3
Heuchera 'Canyon Duet' 4
Heuchera 'Cherry Cola' 3
Heuchera 'Chocolate Ruffles' 4
Heuchera 'Cinnabar Silver' 2
Heuchera 'Citronelle' 4
Heuchera 'Creme de Menthe' 3
Heuchera 'Electra' 5
Heuchera 'Electric Lime' 5
Heuchera 'Fire Chief' 2
Heuchera 'Frost' 2
Heuchera 'Frosted Violet' 5
Heuchera 'Georgia Peach' 2
Heuchera 'Ginger Ale' 7
Heuchera 'Ginger Peach' 6
Heuchera 'Glitter' 12
Heuchera 'Gotham' 2
Heuchera 'Grape Soda' 1
Heuchera hallii 3
Heuchera 'Harvest Silver' 1
Heuchera 'Hollywood' 5
Heuchera 'Inheuredfu' 2
Heuchera 'Key Lime Pie' 4
Heuchera 2
Heuchera 2
Heuchera 'Lime Rickey' 6
Heuchera 'Mahogany' 8
Heuchera micrantha 'Pewter Veil' 1
Heuchera 'Midnight Bayou' 1
Heuchera 'Midnight Rose' 9
Heuchera 'Mysteria' 6
Heuchera 'Obsidian' 1
Heuchera parvifolia 8
Heuchera parvifolia var. nivalis 5
Heuchera 'Plum Pudding' 1
Heuchera pulchella 13
Heuchera 'Pwheu0102' 1
Heuchera 'Pwheu0109' 4
Heuchera 'Regina' 2
Heuchera richardsonii 4
Heuchera 'Rosamund' 1
Heuchera 'Ruby Veil' 3
Heuchera 'Sashay' 3
Heuchera 'Southern Comfort' 13
Heuchera 'Sparkling Burgundy' 1
Heuchera 'Spellbound' 3
Heuchera 'Sugar Plum' 7
Heuchera 'Tnheu041' 1
Heuchera 'Tnheueb' 1
Heuchera 'Tnheues' 1
Heuchera 'Tnheufr' 10
Heuchera 'Tnheuga' 14
Heuchera 'Tnheugb' 15
Heuchera 'TNHEULS' 5
Heuchera 'Tnheunep' 3
Heuchera villosa 1
Heuchera villosa 'Autumn Bride' 9
×Heucherella 'Alabama Sunrise' 6
×Heucherella 'Brass Lantern' 2
×Heucherella 'Catching Fire' 2
×Heucherella 'Cracked Ice' 1
×Heucherella 'Eye Spy' 2
×Heucherella 'Fire Frost' 2
×Heucherella 'Gold Zebra' 2
×Heucherella 'Gunsmoke' 1
×Heucherella 'Redstone Falls' 22
×Heucherella 'Solar Power' 8
×Heucherella 'Stoplight' 9
×Heucherella 'Strike It Rich Gold' 1
×Heucherella 'Sunrise Falls' 13
×Heucherella 'Sweet Tea' 4
×Heucherella 'Tapestry' 12
×Heucherella tiarelloides 1
Hibiscus 35
Hibiscus '21P03' 7
Hibiscus acetosella 2
Hibiscus acetosella 'Jungle Red' 1
Hibiscus acetosella 'Red Shield' 3
Hibiscus aculeatus 5
Hibiscus 'Airbrush Effect' 1
Hibiscus 'Anne Arundel' 1
Hibiscus arnottianus 1
Hibiscus 'Berry Awesome' 4
Hibiscus 'Blue River II' 5
Hibiscus calyphyllus 1
Hibiscus 'Cherry Cheesecake' 22
Hibiscus 'Cherry Choco Latte' 8
Hibiscus coccineus 10
Hibiscus coccineus f. albus 22
Hibiscus 'Cranberry Crush' 2
Hibiscus dasycalyx 1
Hibiscus elatus 7
Hibiscus 'Fireball' 32
Hibiscus 'Flair' 4
Hibiscus grandiflorus 9
Hibiscus 'Happa Red' 8
Hibiscus 'Holly Springs' 12
Hibiscus 'Jackie Grant' 15
Hibiscus 'Kopper King' 18
Hibiscus 'Lohengrin' 16
Hibiscus makinoi 26
Hibiscus 'Mars Madness' 2
Hibiscus martianus 6
Hibiscus 'Midnight Marvel' 5
Hibiscus militaris 3
Hibiscus moscheutos 11
Hibiscus moscheutos 'Balhibred' 7
Hibiscus moscheutos 'Peppermint Schnapps' 3
Hibiscus moscheutos 'Robert Fleming' 1
Hibiscus moscheutos 'Whit XX' 12
Hibiscus 'Moy Grande' 4
Hibiscus mutabilis 13
Hibiscus paramutabilis 22
Hibiscus pedunculatus 2
Hibiscus 'Peppermint Flare' 11
Hibiscus 'Raspberry Glace' (TAMUS 161020C-4SLW) 2
Hibiscus rosa-sinensis 14
Hibiscus sabdariffa 3
Hibiscus schizopetalus 2
Hibiscus sinosyriacus 'Lilac Queen' 24
Hibiscus striatus subsp. lambertianus 11
Hibiscus 'Summer Storm' 14
Hibiscus syriacus 22
Hibiscus syriacus 'America Irene Scott' 13
Hibiscus syriacus 'Boule de Feu' 10
Hibiscus syriacus 'Buddha Belly' 8
Hibiscus syriacus 'Diana' 9
Hibiscus syriacus 'Ds01bs' 1
Hibiscus syriacus 'Ds02ss' 1
Hibiscus syriacus 'DS03RS' 17
Hibiscus syriacus 'Ds04ps' 1
Hibiscus syriacus 'Floru' 12
Hibiscus syriacus 'Gandini Santiago' 8
Hibiscus syriacus 'Gandini van Aart' 9
Hibiscus syriacus 'Gladys Smith' 1
Hibiscus syriacus 'Helene' 22
Hibiscus syriacus 'Marina' 18
Hibiscus syriacus 'Mathilde' 2
Hibiscus syriacus 'Meehanii' 14
Hibiscus syriacus 'Minerva' 2
Hibiscus syriacus 'Minrosa' 5
Hibiscus syriacus 'Morning Star' 9
Hibiscus syriacus 'Notwoodone' 17
Hibiscus syriacus 'Notwoodtwo' 2
Hibiscus syriacus 'Oiseau Bleu' 3
Hibiscus syriacus 'Purpureus Variegatus' 6
Hibiscus syriacus 'Spring Frost' 1
Hibiscus syriacus (white leaves) 6
Hibiscus taiwanensis 4
Hibiscus 2
Hibiscus 'Turn of the Century' 2
Hieracium lanatum 2
Hieracium maculatum 'Leopard' 4
Hieracium pilosella 11
Hieracium tomentosum 7
Hieracium venosum 1
×Hippeasprekelia 12
×Hippeasprekelia 'Durga Pradhan' 3
Hippeastrum 72
Hippeastrum ×ackermanii 11
Hippeastrum 'Acropolis' 9
Hippeastrum 'Alfresco' 3
Hippeastrum 'Apple Blossom' 5
Hippeastrum 'Baby Star' 17
Hippeastrum 'Final Touch' 6
Hippeastrum 'Hercules' 8
Hippeastrum ×johnsonii 20
Hippeastrum 'Lemon Star' 1
Hippeastrum 'Milady' 5
Hippeastrum 'Noel' 1
Hippeastrum 'Picotee' 4
Hippeastrum 'Red Lion' 15
Hippeastrum reticulatum var. striatifolium 1
Hippeastrum 'Safari' 4
Hippeastrum 'San Antonio Rose' 3
Hippeastrum 'Scarlet Baby' 2
Hippeastrum 'United Nations' 5
Hippeastrum 'Voodoo' 3
Hippeastrum 'Wedding Dance' 1
Hippeastrum yungacense 1
Hippeastrum 'Zanzibar' 3
Hippophae rhamnoides 5
Hirpicium amerioides 2
Hoheria angustifolia 2
Hoheria populnea 'Alba Variegata' 2
Hoheria populnea 'Variegata' 3
Holodiscus discolor 6
Holodiscus dumosus 3
Homeria flaccida 3
Hosta 234
Hosta 'Abiqua Drinking Gourd' 1
Hosta 'Age of Gold' 4
Hosta 'Angel Falls' 2
Hosta 'Aoki' 1
Hosta 'August Moon' 1
Hosta 'Autumn Frost' 17
Hosta 'Beyond Glory' 2
Hosta 'Big Boy' 2
Hosta 'Blonde Ambition' 3
Hosta 'Blue Angel' 2
Hosta 'Blue Cadet' 4
Hosta 'Blue Flame' 2
Hosta 'Blue Ivory' 1
Hosta 'Blue Jay' 5
Hosta 'Blue Mouse Ears' 1
Hosta 'Blue Umbrellas' 2
Hosta 'Branching Out' 7
Hosta 'Broad Band' 3
Hosta 'Carolina Sunshine' 8
Hosta 'Cat and Mouse' 4
Hosta 'Cathedral Windows' 16
Hosta 'Chartreuse Wiggles' 2
Hosta clausa 1
Hosta 'Coast to Coast' 10
Hosta 'Country Mouse' 5
Hosta 'Dancing Queen' 1
Hosta 'Decorata' 1
Hosta 'Designer Genes' 3
Hosta 'Diana Remembered' 1
Hosta 'Dragon Tails' 1
Hosta 'Duchess' 6
Hosta (dwarf rough leaf) 1
Hosta 'Earth Angel' 3
Hosta 'Electrocution' 3
Hosta 'Elvis Lives' 6
Hosta 'Empress Wu' 26
Hosta 'Eternal Flame' 1
Hosta 'Faith' 1
Hosta 'Fantasy Island' 2
Hosta 'First Frost' 3
Hosta 'First Lady' 8
Hosta 'Flamboyant' 1
Hosta 'Floradora' 1
Hosta 'Ginko Craig' 4
Hosta 'Ginsu Knife' 2
Hosta 'Gold Drop' 2
Hosta 'Gold Edger' 14
Hosta 'Gold Standard' 1
Hosta 'Golden Sceptor' 3
Hosta 'Golden Tiara' 1
Hosta 'Grand Prize' 14
Hosta 'Grand Slam' 1
Hosta 'Grand Tiara' 10
Hosta 'Great Expectations' 1
Hosta 'Green Ice' 1
Hosta 'Green Mouse Ears' 2
Hosta 'Green Wedge' 1
Hosta 'Hadspen Blue' 1
Hosta 'Halcyon' 8
Hosta 'Hans' 6
Hosta 'Hans Solo' 0
Hosta 'Happy Dayz' 2
Hosta 'Holy Mouse Ears' 1
Hosta 'Hudson Bay' 3
Hosta 'Hush Puppy' 3
Hosta 'Island Breeze' 3
Hosta 'Janet' 1
Hosta 'Jilan' 4
Hosta 'June' 9
Hosta 'Key Lime Pie' 3
Hosta kikutii var. caput-avis 3
Hosta kikutii 'Hyuga Urajiro' 1
Hosta kiyosumiensis 17
Hosta 'Komodo Dragon' 4
Hosta 'Krossa Regal' 2
Hosta lancifolia 1
Hosta 'Liberty' 5
Hosta 'Little Aurora' 1
Hosta longipes 'Byakuo' 1
Hosta 'Luna Moth' 4
Hosta 'Maui Buttercups' 1
Hosta montana 'Aureomarginata' 1
Hosta 'Mouse Trap' 3
Hosta nakaiana 17
Hosta 'One Man's Treasure' 2
Hosta 'Orange Marmalade' 2
Hosta 'Paradigm' 7
Hosta 'Paul's Glory' 1
Hosta 'Peanut' 5
Hosta 'Pineapple Express' 2
Hosta 'Pineapple Upsidedown Cake' 1
Hosta plantaginea 8
Hosta 'Prairie's Edge' 10
Hosta 'Praying Hands' 8
Hosta 'Rainbow's End' 11
Hosta 'Regal Splendor' 8
Hosta 'Rising Sun' 3
Hosta 'Royal Standard' 2
Hosta 'Royal Tiara' 3
Hosta 'Rubies and Ruffles' 10
Hosta 'Sagae' 3
Hosta 'Saishu Jima' 3
Hosta 'Satisfaction' 1
Hosta 'School Mouse' 1
Hosta 'Seducer' 3
Hosta sieboldiana 8
Hosta sieboldiana 'Elegans' 8
Hosta sieboldiana 'Frances Williams' 12
Hosta sieboldiana 'Great Expectations' 2
Hosta 'Spritzer' 2
Hosta 'Stained Glass' 15
Hosta 'Stiletto' 2
Hosta 'Striptease' 4
Hosta 'Sugar and Cream' 3
Hosta 'Sum and Substance' 5
Hosta 'Summer Fragrance' 3
Hosta 'Summer Music' 1
Hosta 'Sun Power' 1
Hosta 'Tardiflora' 5
Hosta 'Thunderbolt' 3
Hosta 'Tokudama Flavocircinalis' 2
Hosta tsushimensis 2
Hosta 'Undulata Univittata' 1
Hosta ventricosa 9
Hosta venusta 2
Hosta venusta 'Kin Botan' 3
Hosta venusta (silver center, twisted leaf) 1
Hosta 'Victory' 3
Hosta 'Waterslide' 5
Hosta 'Wheee!' 11
Hosta 'Whirlwind' 1
Hosta 'White Feather' 3
Hosta 'White Wall Tire' 3
Hosta 'Winsome' 7
Hosta 'Yellow Splash Rim' 6
Hosta yingeri 8
Hosta 'Zounds' 8
Houstonia 5
Houstonia caerulea 12
Houttuynia 1
Houttuynia cordata 3
Houttuynia cordata 'Chameleon' 6
Hovenia acerba 6
Hovenia dulcis 9
×Howardara 'Riley Kate' 3
Howea forsteriana 3
Hoya 2
Hoya carnosa 4
Humulus 1
Humulus lupulus 8
Humulus lupulus 'Aureus' 14
Huodendron tibeticum 12
Huperzia lucidula 1
Hyacinthoides 1
Hyacinthoides ciliolata 2
Hyacinthoides hispanica 6
Hyacinthoides hispanica 'Alba' 13
Hyacinthoides hispanica 'City of Haarlem' 2
Hyacinthoides hispanica 'Excelsior' 13
Hyacinthoides hispanica 'Queen of Pinks' 1
Hyacinthoides italica 1
Hyacinthus 30
Hyacinthus 'Anastacia' 13
Hyacinthus orientalis 9
Hyacinthus orientalis 'Blue Festival' 10
Hyacinthus orientalis 'Blue Jacket' 1
Hyacinthus orientalis 'Carnegie' 16
Hyacinthus orientalis 'Champagne' 6
Hyacinthus orientalis 'City of Haarlem' 4
Hyacinthus orientalis 'Delft Blue' 3
Hyacinthus orientalis 'Gipsy Queen' 2
Hyacinthus orientalis 'Hollyhock' 4
Hyacinthus orientalis 'Jan Bos' 1
Hyacinthus orientalis 'Peter Stuyvesant' 1
Hyacinthus orientalis 'Pink Festival' 2
Hyacinthus orientalis 'Top Hit' 1
Hyacinthus orientalis 'White Festival' 11
Hyacinthus orientalis 'Yellow Queen' 14
Hyalis argentea 11
Hydrangea 72
Hydrangea 'After Midnight' 20
Hydrangea anomala 3
Hydrangea anomala subsp. anomala 4
Hydrangea anomala subsp. petiolaris 30
Hydrangea anomala subsp. petiolaris 'Early Light' 9
Hydrangea anomala subsp. petiolaris 'Miranda' 1
Hydrangea anomala subsp. petiolaris var. tiliifolia 4
Hydrangea arborescens 8
Hydrangea arborescens 'Abetwo' 8
Hydrangea arborescens 'Annabelle' 13
Hydrangea arborescens subsp. arborescens 3
Hydrangea arborescens 'Balsam' 9
Hydrangea arborescens 'Dardom' 1
Hydrangea arborescens 'Emerald Lace' 8
Hydrangea arborescens 'Haas' Halo' 1
Hydrangea arborescens 'Hayes Starburst' 6
Hydrangea arborescens 'Mary Nell' 3
Hydrangea arborescens 'NCHA1' 36
Hydrangea arborescens 'Ncha3' 4
Hydrangea arborescens 'Ncha4' 8
Hydrangea arborescens 'NCHA5' 1
Hydrangea arborescens 'NCHA8' 7
Hydrangea arborescens subsp. radiata 5
Hydrangea arborescens subsp. radiata 'Samantha' 2
Hydrangea aspera 25
Hydrangea cf. aspera 2
Hydrangea aspera 'Amethyst Crown' 15
Hydrangea aspera subsp. aspera 1
Hydrangea aspera 'Hpopr012' 2
Hydrangea aspera (huge leaf) 3
Hydrangea aspera 'Koki' 6
Hydrangea aspera 'Macrophylla' 9
Hydrangea aspera subsp. robusta 2
Hydrangea aspera 'Titanious' 0
Hydrangea aspera Villosa Group 6
Hydrangea chinensis 19
Hydrangea heteromalla 7
Hydrangea hirta 13
Hydrangea integra 3
Hydrangea integrifolia 17
Hydrangea involucrata 4
Hydrangea involucrata 'Wim Rutten' 28
Hydrangea kawakamii 3
Hydrangea kwangsiensis 4
Hydrangea lobbii 4
Hydrangea longipes 21
Hydrangea longipes var. fulvescens 6
Hydrangea luteovenosa 5
Hydrangea luteovenosa 'Aureovariegata' 5
Hydrangea luteovenosa 'Fragrant Splash' 3
Hydrangea luteovenosa 'Iyo-no-samidare' 5
Hydrangea macrophylla 48
Hydrangea macrophylla 'All Summer Beauty' 6
Hydrangea macrophylla 'Ayesha' 7
Hydrangea macrophylla 'Bailmer' 6
Hydrangea macrophylla 'Big Daddy' 5
Hydrangea macrophylla 'Blaumeise' 14
Hydrangea macrophylla 'Blue Billow' 2
Hydrangea macrophylla 'Blue Billows' 8
Hydrangea macrophylla 'Blue Heaven' 4
Hydrangea macrophylla 'Blushing Bride' 9
Hydrangea macrophylla 'BTI' 1
Hydrangea macrophylla 'Cardinal Red' 10
Hydrangea macrophylla 'Color Fantasy' 1
Hydrangea macrophylla 'Dancing Snow' 8
Hydrangea macrophylla 'David Ramsey' 6
Hydrangea macrophylla 'Decatur Blue' 11
Hydrangea macrophylla 'Dooley' 4
Hydrangea macrophylla 'Early Sensation' 7
Hydrangea macrophylla 'Forever Pink' 1
Hydrangea macrophylla 'Frau Reiko' 10
Hydrangea macrophylla 'Fuji Waterfall' 9
Hydrangea macrophylla 'Générale Vicomtesse de Vibraye' 5
Hydrangea macrophylla 'Glory Blue' 5
Hydrangea macrophylla 'Glowing Embers' 3
Hydrangea macrophylla 'Goliath' 9
Hydrangea macrophylla 'Hadsbury' 2
Hydrangea macrophylla 'Hatsushimo' 7
Hydrangea macrophylla 'Heinrich Seidel' 1
Hydrangea macrophylla 'Jogasaki' 1
Hydrangea macrophylla 'Kompeito' 9
Hydrangea macrophylla 'Lady in Red' 3
Hydrangea macrophylla 'Lanarth White' 2
Hydrangea macrophylla 'Lemon Daddy' 5
Hydrangea macrophylla 'Lemon Wave' 9
Hydrangea macrophylla 'Lemon Zest' 2
Hydrangea macrophylla 'Libelle' 2
Hydrangea macrophylla 'Maculata' 1
Hydrangea macrophylla 'Madame Emile Mouillère' 1
Hydrangea macrophylla 'Mariesii Perfecta' 2
Hydrangea macrophylla 'Mariesii Variegata' 7
Hydrangea macrophylla ('Mariesii Variegata' new sport) 9
Hydrangea macrophylla 'Masja' 6
Hydrangea macrophylla 'McKay' 8
Hydrangea macrophylla 'Monrey' 1
Hydrangea macrophylla 'Möwe' 15
Hydrangea macrophylla 'Nachtigall' 1
Hydrangea macrophylla 'Nigra' 7
Hydrangea macrophylla 'Nikko Blue' 3
Hydrangea macrophylla var. normalis 'Hatsushimo' 2
Hydrangea macrophylla var. normalis 'Nickanyana' 10
Hydrangea macrophylla 'Oak Hill' 16
Hydrangea macrophylla 'Oregon Pride' 39
Hydrangea macrophylla 'Otaksa' 3
Hydrangea macrophylla 'Parzifal' 2
Hydrangea macrophylla 'Penny Mac' 3
Hydrangea macrophylla 'Perfection' 12
Hydrangea macrophylla 'Pia' 5
Hydrangea macrophylla 'Piihm-I' 4
Hydrangea macrophylla 'Pink Beauty' 1
Hydrangea macrophylla 'Red Sensation' 2
Hydrangea macrophylla 'Red Star' 2
Hydrangea macrophylla 'Rei 05' 19
Hydrangea macrophylla 'Rotdrossel' 1
Hydrangea macrophylla 'Soeur Thérèse' 3
Hydrangea macrophylla 'Taube' 2
Hydrangea macrophylla 'Tokyo Delight' 6
Hydrangea macrophylla 'Veitchii' 4
Hydrangea macrophylla 'Yellowleaf' 3
Hydrangea macrophylla 'Yuki temari' 9
Hydrangea macrophylla 'Zorro' 12
Hydrangea paniculata 29
Hydrangea paniculata 'Barbara' 1
Hydrangea paniculata 'Bombshell' 8
Hydrangea paniculata 'Brussels Lace' 15
Hydrangea paniculata 'Bulk' 1
Hydrangea paniculata 'Dharuma' 15
Hydrangea paniculata 'DVP Pinky' 9
Hydrangea paniculata (ex. 'Dharuma') 22
Hydrangea paniculata 'Grandiflora' 2
Hydrangea paniculata 'Greenspire' 22
Hydrangea paniculata 'Ilvobo' 8
Hydrangea paniculata 'Interhydia' 2
Hydrangea paniculata 'Jane' 2
Hydrangea paniculata 'Limelight' 51
Hydrangea paniculata 'Pee Wee' 1
Hydrangea paniculata 'PIIHP-I' 2
Hydrangea paniculata 'Praecox' 1
Hydrangea paniculata 'Rendia' 3
Hydrangea paniculata 'Silver Dollar' 4
Hydrangea paniculata 'SMHPZIND' 4
Hydrangea paniculata 'SMNHPRZEP' 2
Hydrangea paniculata 'Tardiva' 3
Hydrangea paniculata 'Unique' 8
Hydrangea paniculata 'Webb's' 8
Hydrangea paniculata 'Wim's Red' 7
Hydrangea paniculata 'Wrhpbb2' 4
Hydrangea paniculata 'Yukigeshou' 18
Hydrangea preslii 2
Hydrangea 'Preziosa' 12
Hydrangea quercifolia 55
Hydrangea quercifolia 'Alice' 13
Hydrangea quercifolia 'Alison' 14
Hydrangea quercifolia 'Brido' 26
Hydrangea quercifolia 'Dayspring' 1
Hydrangea quercifolia 'Doughill' 6
Hydrangea quercifolia 'Ellen Huff' 1
Hydrangea quercifolia 'Emerald Lake' 20
Hydrangea quercifolia 'Flemygea' 25
Hydrangea quercifolia 'Harmony' 16
Hydrangea quercifolia 'Ice Crystal' 5
Hydrangea quercifolia 'JoAnn' 5
Hydrangea quercifolia 'Little Honey' 30
Hydrangea quercifolia 'Lynn Lowrey' 5
Hydrangea quercifolia 'Munchkin' 4
Hydrangea quercifolia 'Pee Wee' 4
Hydrangea quercifolia 'PIIHQ-I' 12
Hydrangea quercifolia 'Ruby Slippers' 15
Hydrangea quercifolia 'Semmes Beauty' 25
Hydrangea quercifolia 'Turkey Heaven' 27
Hydrangea robusta 4
Hydrangea sargentiana 8
Hydrangea scandens 2
Hydrangea aff. scandens 3
Hydrangea scandens subsp. chinensis f. angustipetala 5
Hydrangea scandens subsp. liukiuensis 4
Hydrangea seemannii 11
Hydrangea serrata 8
Hydrangea serrata 'Akishino-temari' 2
Hydrangea serrata 'Amagi Amacha' 1
Hydrangea serrata 'Annie's Blue' 5
Hydrangea serrata 'Beni' 2
Hydrangea serrata 'Blue Billow' 2
Hydrangea serrata 'Bluebird' 3
Hydrangea serrata 'Chandelier' 2
Hydrangea serrata var. chinensis 2
Hydrangea serrata 'Golden Sunlight' 1
Hydrangea serrata 'Grayswood' 5
Hydrangea serrata 'Hakusen' 4
Hydrangea serrata 'Hallasan' 1
Hydrangea serrata 'Intermedia' 6
Hydrangea serrata 'Kizata-no-ikari' 1
Hydrangea serrata 'Kogane Suruge' 4
Hydrangea serrata 'Kokonoe-yama' 24
Hydrangea serrata 'Koreana' 1
Hydrangea serrata 'Kurenai' 11
Hydrangea serrata 'Kurohime' 2
Hydrangea serrata 'Maiko' 2
Hydrangea serrata 'Midoriboshi temari' 3
Hydrangea serrata 'Mikata Yae' 1
Hydrangea serrata 'Miranda' 1
Hydrangea serrata 'Miyamae-yae-murasaki' 7
Hydrangea serrata 'Ô Amacha Nishiki' 33
Hydrangea serrata 'Ogon' 2
Hydrangea serrata 'Pink Beauty' 1
Hydrangea serrata 'Purple Stem' 3
Hydrangea serrata 'Purple Tiers' 1
Hydrangea serrata 'Shichidanka' 11
Hydrangea serrata 'Shichidanka Nishiki' 15
Hydrangea serrata 'Shinonome' 2
Hydrangea serrata 'Shirofuji' 6
Hydrangea serrata 'Shirotae' 7
Hydrangea serrata 'Shishiva' 9
Hydrangea serrata 'Tiara' 3
Hydrangea serrata (Wilson 7820) 4
Hydrangea serrata 'Woodlanders' 6
Hydrangea serrata 'Yoi-no-hoshi' 1
Hydrangea sikokiana 2
Hydrangea strigosa 5
Hydrangea strigosa 'Elegant Sound Pavilion' 6
Hydrangea strigosa 'Golden Needle' 3
Hydrangea strigosa 'Gongshan' 0
Hydrangea 'Summer Frost' 9
Hydrangea 3
Hydrangea xanthoneura 1
Hydrastis canadensis 6
Hydrophyllum capitatum 6
Hydrophyllum macrophyllum 3
Hylomecon japonica 4
Hylotelephium 'Black Jack' 7
Hylotelephium 'Carl' 6
Hylotelephium 'Cherry Truffle' 8
Hylotelephium 'Class Act' 3
Hylotelephium 'Crystal Pink' 10
Hylotelephium 'Desert Black' 9
Hylotelephium 'Dynomite' 3
Hylotelephium erythrostictum 'Mediovariegatum' 3
Hylotelephium 'Firecracker' 3
Hylotelephium 'Frosty Morn' 5
Hylotelephium 'Garbro' 10
Hylotelephium 'Herbstfreude' 20
Hylotelephium 'Lajos' 11
Hylotelephium 'Maestro' 20
Hylotelephium 'Matrona' 8
Hylotelephium maximum subsp. ruprechtii 3
Hylotelephium 'Mr. Goodbud' 6
Hylotelephium 'Oriental Dancer' 4
Hylotelephium 'Pure Joy' 17
Hylotelephium 'Purple Emperor' 2
Hylotelephium 'Raspberry Truffle' 3
Hylotelephium 'Razzleberry' 1
Hylotelephium 'Ringmore Ruby' 1
Hylotelephium sieboldii 'Kankakei Shishi' 2
Hylotelephium spectabile [Brilliant Group] 'Brilliant' 1
Hylotelephium spectabile 'Indian Chief' 2
Hylotelephium spectabile 'Meteor' 3
Hylotelephium spectabile 'Neon' 6
Hylotelephium spectabile 'Stephen Ward' 5
Hylotelephium spectabile 'Zi Juan' 7
Hylotelephium telephioides 1
Hylotelephium telephium 'Orange Xenox' 1
Hylotelephium telephium subsp. ruprechtii 'Hab Grey' 7
Hylotelephium 'Thundercloud' 4
Hylotelephium ussuriense 'Chuwangsan' 4
Hylotelephium 'Vera Jameson' 1
Hymenocallis 21
Hymenocallis 'Advance' 11
Hymenocallis azteciana 2
Hymenocallis caribaea 'Superstar' 3
Hymenocallis caribaea 'Variegata' 2
Hymenocallis caroliniana 6
Hymenocallis imperialis 13
Hymenocallis liriosme 7
Hymenocallis littoralis 'Variegatus' 2
Hymenocallis 'New Lion' 3
Hymenocallis occidentalis 1
Hymenocallis pygmaea 1
Hymenocallis 'Sulphur Queen' 5
Hymenocallis tridentata 2
Hymenocallis 'Tropical Giant' 17
Hymenosporum flavum 2
Hymenoxys grandiflora 12
Hymenoxys herbacea 17
Hymenoxys richardsonii 5
Hypericum 32
Hypericum androsaemum 'Albury Purple' 5
Hypericum androsaemum 'Glacier' 3
Hypericum calycinum 3
Hypericum calycinum 'Brigadoon' 9
Hypericum calycinum 'NCHC1' 4
Hypericum cerastioides 2
Hypericum cerastioides 'Silvana' 6
Hypericum connatum 2
Hypericum densiflorum 2
Hypericum fasciculatum 8
Hypericum fasciculatum (prostrate) 1
Hypericum forrestii 5
Hypericum frondosum 6
Hypericum frondosum 'Sunburst' 3
Hypericum galioides 'Creel's Gold Star' 1
Hypericum galioides × H. brachyphyllum 3
Hypericum 'Hidcote' 1
Hypericum hookerianum 5
Hypericum hypericoides 1
Hypericum kalmianum 5
Hypericum kalmianum 'Ames' 7
Hypericum kalmianum 'Gemo' 2
Hypericum kouytchense 2
Hypericum lancasteri 2
Hypericum latisepalum 2
Hypericum lissophloeus 8
Hypericum ×moserianum 'Tricolor' 3
Hypericum nagasawae 2
Hypericum oblongifolium 2
Hypericum olympicum 2
Hypericum olympicum f. minus 5
Hypericum olympicum f. minus 'Sulphureum' 2
Hypericum olympicum f. uniflorum 'Citrinum' 2
Hypericum perforatum 7
Hypericum prolificum 5
Hypericum pseudohenryi 3
Hypericum pseudopetiolatum 1
Hypericum 'Red' 2
Hypericum reductum 2
Hypericum 'Sparkling Bunch' 5
Hypericum tetrapterum 2
Hypericum xylosteifolium 2
Hypoestes phyllostachya 'G14157' 9
Hypoestes phyllostachya 'G14160' 7
Hypoxis argentea 2
Hypoxis hemerocallidea 35
Hypoxis hirsuta 7
Hypseocharis pimpinellifolia 3
Hyssopus officinalis 1
Hyssopus seravschanicus 2
Iberis 11
Iberis gibraltarica 'Betty Swainson' 1
Iberis pruitii 1
Iberis sempervirens 11
Iberis sempervirens 'Alexander's White' 2
Iberis sempervirens 'Schneeflocke' 3
Iberis sempervirens 'Snow White' 6
Iberis sempervirens 'Snowcone Forte' 15
Iberis sempervirens 'Snowdrift' 10
Iberis sempervirens 'Snowflake' 2
Iberis sempervirens 3
Iberis sempervirens 'Whiteout' 5
Iberis simplex 13
Idesia 1
Idesia polycarpa 23
Ilex 215
Ilex 'Alabama Gold' 3
Ilex ×altaclarensis 'Golden King' 14
Ilex 'Apollo' 3
Ilex aquifolium 6
Ilex aquifolium 'Argentea Marginata' 3
Ilex aquifolium 'Argentea Marginata Pendula' 2
Ilex aquifolium 'Aurea Marginata Pendula' 1
Ilex aquifolium 'Aurifodina' 4
Ilex aquifolium 'Ferox Argentea' 3
Ilex aquifolium 'Handsworth New Silver' 2
Ilex aquifolium 'Ingramii' 3
Ilex aquifolium 'Lichtenthalii' 4
Ilex aquifolium 'Madame Briot' 3
Ilex aquifolium 'Peter Gentling' 6
Ilex aquifolium 'Rubricaulis Aurea' 19
Ilex aquifolium 'Sartori' 2
Ilex aquifolium 'Silver Queen' 4
Ilex ×aquipernyi 1
Ilex ×aquipernyi 'Meschick' 1
Ilex arisanensis 1
Ilex ×attenuata 2
Ilex ×attenuata 'Annie Armstrong' 4
Ilex ×attenuata 'Blazer' 2
Ilex ×attenuata 'East Palatka' 1
Ilex ×attenuata 'Foster's #2' 1
Ilex ×attenuata 'Howard' 6
Ilex ×attenuata 'Huo Yen' 1
Ilex ×attenuata 'Nasa' 11
Ilex ×attenuata 'Pack's Weeping' 7
Ilex ×attenuata 'Savannah' 3
Ilex ×attenuata 'Sunny Foster' 17
Ilex ×attenuata 'Xia Yen' 5
Ilex 'Auburn' 13
Ilex bioritsensis 4
Ilex 'Bonfire' 1
Ilex buergeri 14
Ilex 'Calina' 11
Ilex 'Carolina Cardinal' 23
Ilex 'Carolina Cone' 4
Ilex 'Carolina Sentinel' 5
Ilex cassine 2
Ilex cassine var. angustifolia 4
Ilex 'Cherry Bomb' 4
Ilex chinensis 4
Ilex 'Clusterberry' 5
Ilex colchica 10
Ilex 'Conaf' 7
Ilex 'Conal' 9
Ilex 'Coned' 4
Ilex 'Conin' 10
Ilex 'Conive' 11
Ilex 'Conot' 9
Ilex 'Conty' 11
Ilex corallina 3
Ilex coriacea 1
Ilex cornuta 45
Ilex cornuta 'Autumn Fire' 21
Ilex cornuta 'Burfordii' 16
Ilex cornuta 'Cajun Gold' 5
Ilex cornuta ('Carissa' variegated sport) 2
Ilex cornuta 'D'Or' 23
Ilex cornuta 'Dwarf Burford' 1
Ilex cornuta 'Fine Line' 15
Ilex cornuta 'Greer' 5
Ilex cornuta 'Masashi's Gold' 12
Ilex cornuta 'O. Spring' 13
Ilex cornuta 'Rotunda' 8
Ilex cornuta 'Sunrise' 36
Ilex cornuta ('Willowleaf' variegated) 11
Ilex crenata 26
Ilex crenata 'Adorned' 11
Ilex crenata (Crowder upright) 2
Ilex crenata 'Drops of Gold' 12
Ilex crenata 'Dwarf Pagoda' 7
Ilex crenata 'Farrowone' 3
Ilex crenata 'Gold Gem' 4
Ilex crenata 'Golden Heller' 3
Ilex crenata 'Golden Soft Touch' 4
Ilex crenata 'Green Dragon' 1
Ilex crenata 'Helleri' 1
Ilex crenata 'Hoogendorn' 1
Ilex crenata 'Ivory Tower' 3
Ilex crenata ('Ivory Tower' witch's broom) 1
Ilex crenata 'Jersey Jewel' 1
Ilex crenata (little leaf variegated) 2
Ilex crenata 'Microphylla' 3
Ilex crenata 'NCIC1' 6
Ilex crenata 'Pagoda' 1
Ilex crenata 'Piccolo' 1
Ilex crenata 'Rocky Creek' 1
Ilex crenata 'Sky Pencil' 10
Ilex crenata 'Snowflake' 5
Ilex decidua 1
Ilex decidua 'Finch's Golden' 1
Ilex decidua (SFA #4) 3
Ilex decidua 'Warren Red' 2
Ilex dimorphophylla 3
Ilex dimorphophylla × I. cornuta 11
Ilex dipyrena 1
Ilex 'Dorothy Lawton' 6
Ilex 'Dragon Slayer' 4
Ilex elmerrilliana 4
Ilex 'Emily Bruner' 4
Ilex fargesii subsp. fargesii var. fargesii 2
Ilex 'Feliz Navidad' 3
Ilex franchetiana var. franchetiana 3
Ilex glabra 20
Ilex glabra 'Cape Cod' 6
Ilex glabra 'Compacta' 7
Ilex glabra 'Dodd Compact' 2
Ilex glabra 'Gold Mine' 1
Ilex glabra f. leucocarpa 'Ivory Queen' 1
Ilex glabra 'Red Tip' 2
Ilex glabra 'Shamrock' 2
Ilex 'Hefcup' 3
Ilex 'HL10-90' 14
Ilex 'Hohman' 2
Ilex integra 6
Ilex integra 'Green Shadow' 16
Ilex integra × I. latifolia 6
Ilex integra 'Ogon' 28
Ilex integra (variegated) 5
Ilex 'John T. Morris' 5
Ilex kingiana 2
Ilex ×koehneana 2
Ilex ×koehneana 'Ajax' 1
Ilex ×koehneana 'Martha Berry' 15
Ilex ×koehneana 'San Jose' 7
Ilex ×koehneana 'Wirt L. Winn' 11
Ilex latifolia 31
Ilex latifolia 'Gulino Gardens' 3
Ilex latifolia 'Purple Power' 11
Ilex latifolia (variegated) 1
Ilex macropoda 2
Ilex 'Magiana' 7
Ilex 'Magland' 9
Ilex 'Mary Nell' 13
Ilex ×meserveae 1
Ilex ×meserveae 'Blue Girl' 1
Ilex ×meserveae 'Blue Prince' 1
Ilex ×meserveae 'Gold Princess' 3
Ilex ×meserveae 'Honey Maid' 1
Ilex ×meserveae 'Purple Frost' 4
Ilex micrococca 8
Ilex 'Miss Patricia' 9
Ilex 'Mondo' 7
Ilex myrtifolia 1
Ilex myrtifolia 'Woodlander's Weeping' 6
Ilex 'Nellie R. Stevens' 37
Ilex 'Nellie R. Stevens' (gold margin) 5
Ilex opaca 23
Ilex opaca 'Canary' 1
Ilex opaca 'Carnival' 5
Ilex opaca 'Christmas Snow' 1
Ilex opaca 'Clarendon Spreading' 12
Ilex opaca 'Dodd's Red Creek' 2
Ilex opaca 'Farage' 2
Ilex opaca 'Jersey Princess' 1
Ilex opaca 'Klein Compact' 1
Ilex opaca 'Maryland Dwarf' 7
Ilex opaca 'Morgan Gold' 5
Ilex opaca 'Rollover' 15
Ilex opaca 'Royal Flush' 6
Ilex opaca 'Satyr Hill' 1
Ilex opaca 'Steward's Silver Crown' 3
Ilex opaca 'William Hawkins' 3
Ilex opaca f. xanthocarpa 6
Ilex opaca f. xanthocarpa 'Longwood Gardens' 3
Ilex 'Patricia Varner' 9
Ilex pedunculosa 10
Ilex pedunculosa 'Frosty Morn' 2
Ilex pedunculosa 'Mountain Mist' 5
Ilex perado 4
Ilex perado subsp. platyphylla 1
Ilex pernyi 1
Ilex pernyi var. veitchii 4
Ilex 'Philip Watson' 4
Ilex purpurea 8
Ilex purpurea 'Compacta' 2
Ilex 'Raritan Chief' 5
Ilex 'Rock Garden' 11
Ilex aff. rotunda 7
Ilex rotunda 21
Ilex rotunda 'Ogon' 1
Ilex rotunda (yellow fruit) 4
Ilex rugosa 1
Ilex 'Ruthol1' 1
Ilex 'Rutzan' 6
Ilex 'Sadie Scudder' 12
Ilex 'Scepter' 7
Ilex 'September Gem' 2
Ilex serrata 15
Ilex serrata 'Genpei' 5
Ilex serrata 'Koshobai' 2
Ilex serrata 'Longwood Firefalls' 4
Ilex serrata (male) 3
Ilex serrata 'Sundrops' 1
Ilex 'Solar Flare' 13
Ilex spinigera 2
Ilex sugerokii var. brevipedunculata 3
Ilex sugerokii subsp. longipedunculata 11
Ilex 'Venus' 20
Ilex verticillata 13
Ilex verticillata 'Afterglow' 2
Ilex verticillata 'Cacapon' 1
Ilex verticillata f. chrysocarpa 4
Ilex verticillata 'FARROWBPOP' 25
Ilex verticillata 'FARROWMRP' 4
Ilex verticillata 'Golden Verboom' 5
Ilex verticillata 'Maryland Beauty' 1
Ilex verticillata 'Nciv2' 3
Ilex verticillata 'Red Sprite' 8
Ilex verticillata 'Scarlett O'Hara' 7
Ilex verticillata 'Sunset' 2
Ilex verticillata 'Sunsplash' 4
Ilex verticillata 'Tiasquam' 4
Ilex verticillata 'Winter Gold' 28
Ilex verticillata 'Winter Red' 20
Ilex viridis 2
Ilex vomitoria 27
Ilex vomitoria 'Carolina Ruby' 5
Ilex vomitoria 'Condeaux' 5
Ilex vomitoria 'Dare County' 3
Ilex vomitoria 'Dewerth' 1
Ilex vomitoria 'Dodd's Cranberry' 10
Ilex vomitoria (dwarf gold sport) 4
Ilex vomitoria 'Gold Top' 10
Ilex vomitoria 'Gremicr' 2
Ilex vomitoria 'Lance's Weeper' 5
Ilex vomitoria 'Lowrey's Big Leaf' 3
Ilex vomitoria 'Michael James' 1
Ilex vomitoria 'Mike James' 7
Ilex vomitoria 'Nana' 7
Ilex vomitoria f. pendula 8
Ilex vomitoria 'Poole's Best' 9
Ilex vomitoria 'Saratoga Gold' 4
Ilex vomitoria 'Stokes Dwarf' 1
Ilex vomitoria 'Tricolor' 9
Ilex vomitoria 'Wiggins' 1
Ilex vomitoria 'Will Fleming' 7
Ilex vomitoria 'Yawkey' 17
Ilex ×wandoensis 11
Ilex 'Whoa Nellie' 14
Ilex 'William Cowgill' 4
Illicium 8
Illicium anisatum 17
Illicium anisatum 'Deep Purple' 9
Illicium anisatum 'Hakku' 1
Illicium anisatum 'Lemon Squeeze' 2
Illicium anisatum 'Murasaki-no-sato' 15
Illicium anisatum 'Pink Stars' 8
Illicium anisatum (variegated) 4
Illicium anisatum (white chirifu) 1
Illicium arborescens 5
Illicium cubense 1
Illicium dunnianum 1
Illicium floridanum 26
Illicium floridanum f. album 9
Illicium floridanum f. album 'Semmes' 3
Illicium floridanum (ex. 'Swamp Hobbit') 1
Illicium floridanum 'Grey Ghost' 2
Illicium floridanum 'Halley's Comet' 9
Illicium floridanum 'Head-Lee Compact' 8
Illicium floridanum 'Jcjc' 3
Illicium floridanum 'Pink Frost' 1
Illicium floridanum 'Riefler Variegated' 1
Illicium floridanum 'Shady Lady' 3
Illicium floridanum 'Swamp Hobbit' 6
Illicium floridanum 'Thayer's Choice' 2
Illicium floridanum 'Variegatum' 5
Illicium griffithii 2
Illicium henryi 16
Illicium jiadifengpi 3
Illicium lanceolatum 18
Illicium macranthum 3
Illicium majus 8
Illicium aff. majus 4
Illicium merrillianum 1
Illicium mexicanum 5
Illicium mexicanum 'Aztec Fire' 19
Illicium micranthum 1
Illicium 'NCIH1' 2
Illicium 'NCIH2' 1
Illicium oligandrum 4
Illicium parviflorum 6
Illicium parviflorum 'Florence' 2
Illicium parviflorum 'Florida Sunshine' 12
Illicium parviflorum 'Forest Green' 8
Illicium parviflorum (small leaf) 4
Illicium parviflorum (variegated) 4
Illicium 'Ruby Stars' 6
Illicium simonsii 6
Illicium wardii 4
Illicium 'Woodland Ruby' 32
Impatiens 96
Impatiens arguta 'Blue Dream' 10
Impatiens 'Balboufink' 9
Impatiens balfourii 4
Impatiens balsamina 21
Impatiens capensis 7
Impatiens hawkeri 25
Impatiens hawkeri 'Fisimp 100' 3
Impatiens hawkeri 3
Impatiens hawkeri 3
Impatiens omeiana 33
Impatiens omeiana 'Ice Storm' 14
Impatiens omeiana 'Silver Pink' 15
Impatiens pachychlaena 6
Impatiens 'Pas1413664' 1
Impatiens 'Pas777810' 8
Impatiens repens 1
Impatiens 'SAKIMP064' 1
Impatiens 'SAKIMP066' 1
Impatiens tayemonii 3
Impatiens walleriana 48
Impatiens walleriana 'Pas2364' 3
Imperata cylindrica 'Rubra' 4
Incarvillea 1
Incarvillea arguta 4
Incarvillea delavayi 7
Incarvillea diffusa 5
Incarvillea olgae 5
Incarvillea sinensis 'Chevron Pink' 3
Incarvillea zhongdianensis 1
Indigofera 2
Indigofera amblyantha 11
Indigofera decora 10
Indigofera decora f. alba 13
Indigofera dielsiana 13
Indigofera gerardiana 1
Indigofera hebepetala 1
Indigofera heterantha 12
Indigofera howellii 2
Indigofera kirilowii 4
Indigofera kirilowii 'Angyo Snow' 9
Indigofera 'Little Pinkie' 3
Indigofera pendula 1
Indigofera potaninii 2
Indigofera pseudotinctoria 10
Indigofera pseudotinctoria (ex. 'Rose Carpet') 6
Indigofera pseudotinctoria 'Rose Carpet' 15
Indigofera tinctoria 4
Inula 1
Inula magnifica 6
Inula salicina 2
Inula verbascifolia 1
Iochroma australe 12
Iochroma australe 'Good Blue' 11
Iochroma cyaneum 6
Iochroma fuchsioides 3
Ionactis linariifolia 27
Ipheion 11
Ipheion 'Alberto Castillo' 14
Ipheion uniflorum 17
Ipheion uniflorum 'Charlotte Bishop' 1
Ipheion uniflorum 'Froyle Mill' 6
Ipheion uniflorum 'Jessie' 23
Ipheion uniflorum 'Rolf Fiedler' 25
Ipheion uniflorum 'Tessa' 7
Ipheion uniflorum 'White Star' 23
Ipheion uniflorum 'Wisley Blue' 29
Ipomoea 18
Ipomoea alba 10
Ipomoea batatas 32
Ipomoea batatas 'Black Beauty' 2
Ipomoea batatas 'Blackie' 12
Ipomoea batatas 'Margarita' 11
Ipomoea batatas 'Ncornsp-011mdntlc' 1
Ipomoea batatas 'Ncornsp-020bwam' 5
Ipomoea batatas 'Ncornsp-024scri' 4
Ipomoea batatas 'Ncornsp012emlc' 1
Ipomoea batatas 'Pink Frost' 2
Ipomoea batatas 'Seki Blak' 3
Ipomoea batatas 'Sweet Caroline Bewitched' 1
Ipomoea batatas 'Sweet Caroline Bright Green' 4
Ipomoea batatas 'Sweet Caroline Bronze' 14
Ipomoea batatas 'Sweet Caroline Green' 4
Ipomoea batatas 'Sweet Caroline Green Yellow' 4
Ipomoea batatas 'Sweet Caroline Light Green' 7
Ipomoea batatas 'Sweet Caroline Purple' 14
Ipomoea batatas 'Sweet Caroline Red' 10
Ipomoea batatas 'Sweet Caroline Sweetheart Light Green' 5
Ipomoea batatas 'Sweet Caroline Sweetheart Red' 1
Ipomoea batatas 'Sweetheart' 4
Ipomoea bonariensis 17
Ipomoea 'Floramia Nero' 3
Ipomoea horsfalliae 2
Ipomoea leptophylla 1
Ipomoea lobata 10
Ipomoea purpurea 1
Ipomoea quamoclit 4
Ipomoea 'Tie Dye' 1
Ipomoea tricolor 3
Ipomopsis 8
Ipomopsis aggregata 29
Ipomopsis congesta 3
Ipomopsis longiflora 14
Ipomopsis multiflora 14
Ipomopsis rubra 4
Iresine herbstii 'Purple Lady' 6
Iresine lindenii 1
Iris 260
Iris 'Acapulco' 3
Iris 'Adopt Me' 12
Iris 'Aeolian' 5
Iris 'Again and Again' 28
Iris 'Amplified' 3
Iris 'Anaconda Love' 3
Iris 'Ann Chowning' 7
Iris aphylla 14
Iris 'Aunt Mary' 5
Iris 'Bethany Claire' 8
Iris 'Bewilderbeast' 1
Iris 'Black Gamecock' 4
Iris 'Blue Magic' 27
Iris 'Blue Review' 4
Iris bracteata 2
Iris brevicaulis 11
Iris brevicaulis 'Mac's White' 4
Iris 'Bronze Beauty' 30
Iris bucharica 23
Iris bungei 1
Iris 'Cajun Love' 2
Iris 'Casablanca' 14
Iris 'C'est Magnifique' 6
Iris 'Change of Pace' 6
Iris chrysographes 2
Iris chrysophylla 8
Iris 'Clarence' 7
Iris 'Como Surprise' 1
Iris 'Concertina' 11
Iris confusa 4
Iris 'Coronation' 5
Iris cristata 30
Iris cristata 'Alba' 4
Iris cristata 'Gene Cline Form' 5
Iris cristata 'Vein Mountain' 4
Iris croatica 1
Iris (crocea hybrid) 4
Iris 'Crowned Heads' 2
Iris cycloglossa 2
Iris danfordiae 20
Iris 'Daughter of Stars' 10
Iris delavayi 1
Iris 'Dixie Deb' 3
Iris 'Dorothea K. Williamson' 1
Iris 'Double Your Fun' 9
Iris douglasiana 10
Iris 'Dural White Butterfly' 1
Iris 'Emilie Dolge' 6
Iris ensata 33
Iris ensata 'Anytus' 1
Iris ensata 'August Emperor' 3
Iris ensata 'Capaneus' 1
Iris ensata 'Cascade Storm' 1
Iris ensata 'Continuing Pleasure' 1
Iris ensata 'Crystal Halo' 1
Iris ensata 'Diomedes' 1
Iris ensata 'Ebb and Flow' 1
Iris ensata 'Eden's Charm' 4
Iris ensata 'Epimetheus' 1
Iris ensata 'Flamingo Frolic' 1
Iris ensata 'Frilled Elegance' 3
Iris ensata 'Good Omen' 1
Iris ensata 'Gusto' 1
Iris ensata 'Iapetus' 1
Iris ensata 'Ike-no-sazami' 1
Iris ensata 'Innocence' 2
Iris ensata 'Japanese Marble' 1
Iris ensata 'Japanese Pinwheel' 1
Iris ensata 'Kogesha' 1
Iris ensata 'Koshi-no-Otome' 1
Iris ensata 'Mizu-no-Hikari' 1
Iris ensata 'Mystic Buddha' 1
Iris ensata 'Nichi Getsu' 1
Iris ensata 'Ocean Mist' 3
Iris ensata 'Oriental Eyes' 1
Iris ensata 'Oriental Fantasy' 1
Iris ensata 'Pink Frost' 2
Iris ensata 'Prairie Edge' 1
Iris ensata 'Prairie Sapphire' 1
Iris ensata 'Saru Odori' 1
Iris ensata 'Sheer Fascination' 1
Iris ensata 'Shii-no-homare' 2
Iris ensata 'Simple Elegance' 2
Iris ensata 'Sylvia's Masquerade' 3
Iris ensata 'Variegata' 8
Iris ensata 'White Ladies' 2
Iris ensata 'World's Delight' 1
Iris ensata 'Yukijishi' 1
Iris 'Eye of the Tiger' 7
Iris 'Fall Majesty' 4
Iris 'Fall Spotlight' 14
Iris 'Filibuster' 1
Iris 'Finalist' 2
Iris aff. 'Flavescens' 1
Iris 'Flower Shower' 10
Iris foetidissima 5
Iris foetidissima var. lutescens 2
Iris 'Freedom Song' 3
Iris 'Frosted Olive' 5
Iris fulva 8
Iris 'Genteel' 6
Iris ×germanica 12
Iris ×germanica 'Rosalie Figge' 5
Iris ×germanica 'War Chief' 5
Iris 'Giant Blue' 1
Iris 'Glacier Magic' 1
Iris 'Golden Beauty' 20
Iris 'Golden Panther' 21
Iris 'Grace Duhon' 8
Iris gracilipes 2
Iris gracilipes (white flower hybrid) 1
Iris graminea 13
Iris 'Hammered Copper' 1
Iris 'Harvest of Memories' 12
Iris 'Hemstitched' 1
Iris henryi 1
Iris hexagona 1
Iris histrioides 'Finola' 6
Iris histrioides 'Frank Elder' 3
Iris histrioides 'Lady Beatrix Stanley' 3
Iris humilis 2
Iris 'In Retrospect' 8
Iris 'In Your Dreams' 14
Iris 'Innocent Star' 15
Iris 'James Dickenson' 4
Iris 'Jane Troutman' 5
Iris japonica 'Porcelain Maiden' 1
Iris japonica 'Skirt Chaser' 10
Iris 'Java Girl' 1
Iris 'Jessie's Song' 2
Iris 'Jewelled Crown' 2
Iris 'Just Cruising' 4
Iris kerneriana 1
Iris 'Kimboshi' 5
Iris 'Kind Word' 1
Iris 'King Creole' 6
Iris 'Kinkajou Shrew' 1
Iris 'Kissed by the Sun' 5
Iris 'Kissie' 1
Iris 'Kurokawa-Noh' 8
Iris lacustris 3
Iris laevigata 'Snowdrift' 1
Iris lazica 2
Iris 'Lights Camera Action' 8
Iris 'Lilla' 6
Iris 'Lilla Alberta' 10
Iris 'Lilting' 8
Iris (Louisiana hybrid) 1
Iris magnifica 2
Iris 'Making Eyes' 8
Iris 'Mallory Kay' 1
Iris 'Margaret Hunter' 1
Iris 'Marie Caillet' 1
Iris 'Marris' 8
Iris 'Melon Honey' 1
Iris 'Melted Butter' 6
Iris 'Midnight Mink' 14
Iris 'Midnight Oil' 12
Iris missouriensis 28
Iris monnieri 4
Iris 'My Fantasy' 6
Iris 'Mystique' 1
Iris 'Nada' 5
Iris nelsonii 8
Iris 'Noble Lady' 5
Iris 'Now See This' 6
Iris odaesanensis 1
Iris orientalis 2
Iris pallasii 2
Iris pallida 1
Iris pallida 'Variegata' 8
Iris 'Pauline' 36
Iris 'Peppermint Cream' 4
Iris 'Preference' 4
Iris 'Pretty Princess' 3
Iris prismatica 9
Iris 'Professor Paul' 4
Iris pseudacorus 32
Iris pseudacorus 'Variegata' 2
Iris ×pseudata 'Kinshikou' 2
Iris 'Pure Sapphire' 22
Iris 'Raspberry Silk' 4
Iris 'Red Hot Chili' 8
Iris 'Red Trooper' 6
Iris 'Redelta' 6
Iris reichenbachii 13
Iris reticulata 22
Iris [Reticulata Group] 'Alida' 20
Iris reticulata 'Blue Note' 6
Iris [Reticulata Group] 'Cantab' 11
Iris [Reticulata Group] 'Gordon' 42
Iris [Reticulata Group] 'Harmony' 40
Iris [Reticulata Group] 'J. S. Dijt' 33
Iris [Reticulata Group] 'Katherine Hodgkin' 33
Iris [Reticulata Group] 'Natascha' 4
Iris [Reticulata Group] 'Pixie' 10
Iris [Reticulata Group] 'Spring Time' 14
Iris [Reticulata Group] 'Sunshine' 2
Iris 'Ride the Tiger' 9
Iris (rossi hybrid) 1
Iris (rossi × speculatrix) 1
Iris 'Roy's Repeater' 1
Iris ruthenica 15
Iris sanguinea 1
Iris 'Sapphire Beauty' 3
Iris 'Say Okay' 8
Iris setosa 7
Iris setosa 'Hokkaido Purple' 6
Iris 'Severn Side' 2
Iris 'Shire' 4
Iris sibirica 27
Iris sibirica 'Caesar's Brother' 9
Iris sibirica 'Gull's Wing' 1
Iris sibirica 'Lights of Paris' 1
Iris sibirica 'Roaring Jelly' 6
Iris ×sibtosa 'Duchess' 2
Iris sikkimensis 2
Iris 'Sinfonietta' 2
Iris 'Sky and Sun' 8
Iris 'Sky Beauty' 6
Iris 'Slovak Prince' 13
Iris 'Snugglebug' 1
Iris 'Sparkling' 12
Iris speculatrix 11
Iris 'Spouting Horn' 7
Iris spuria 2
Iris spuria subsp. carthaliniae 2
Iris spuria subsp. halophila 9
Iris 'Starlight Starbright' 7
Iris 'Starring Encore' 3
Iris 'Starwoman' 22
Iris 'Striking' 12
Iris 'Summer Olympics' 5
Iris 'Sun Worshipper' 1
Iris 'Surf's Up' 5
Iris 'Symphony' 27
Iris (TB purple) 9
Iris 'Tea Service' 9
Iris tectorum 11
Iris tectorum 'Alba' 13
Iris tectorum 'Variegata' 1
Iris tenax 23
Iris 'Tenderly' 6
Iris 'Theatre' 1
Iris 'Think Spring' 5
Iris 'Ticket to Ride' 12
Iris 'Time to Shine' 10
Iris tridentata 3
Iris typhifolia 1
Iris 'Unchained Melody' 4
Iris 'Unfinished Business' 1
Iris unguicularis 67
Iris unguicularis 'Dazzling Eyes' 4
Iris unguicularis 'Great White' 2
Iris unguicularis 'Winter Echoes' 15
Iris 'Vapor' 2
Iris variegata 10
Iris verna 7
Iris versicolor 4
Iris versicolor 'Purple Flame' 5
Iris 'Victoria Falls' 1
Iris 'Viola' 1
Iris 'Violet Classic' 5
Iris virginica 3
Iris virginica 'Contraband Girl' 5
Iris 'Vision in Pink' 6
Iris 'Walker Ross' 24
Iris 'Wonders Never Cease' 11
Iris xanthospuria 3
Iris 'Yasha' 13
Isodon japonicus var. glaucocalyx 2
Isolepis cernua 1
Isoplexis isabelliana 2
Isoplexis sceptrum 4
Isopyrum biternatum 10
Isotoma fluviatilis 13
Itea 4
Itea chinensis 19
Itea chinensis var. oblonga 3
Itea ilicifolia 3
Itea ilicifolia (variegated form) 2
Itea japonica 11
Itea oldhamii 1
Itea virginica 7
Itea virginica 'Henry's Garnet' 33
Itea virginica 'Japanese American' 6
Itea virginica 'Longspire' 21
Itea virginica 'Morton' 5
Itea virginica 'Sarah Eve' 2
Itea virginica 'Saturnalia' 10
Itea virginica 'Shirley's Compact' 20
Itea yunnanensis 1
Ivesia gordonii 3
Ixia 2
Ixia paniculata 2
Ixora 7
Ixora coccinea 3
Ixora coccinea 'Nora Grant' 5
Jacaranda 1
Jacaranda mimosifolia 10
Jamesia americana 6
Jamesianthus alabamensis 3
Jasione montana 5
Jasminum 10
Jasminum beesianum 10
Jasminum iraidii 6
Jasminum mesnyi 9
Jasminum mesnyi 'Gold Tip' 18
Jasminum mesnyi 'Sun Glo' 8
Jasminum nitidum 2
Jasminum nudiflorum 20
Jasminum nudiflorum 'Aureum' 22
Jasminum nudiflorum 'Variegatum' 4
Jasminum officinale 7
Jasminum officinale 'Frojas' 31
Jasminum sambac 1
Jasminum simplicifolium var. australiense 'Variegatum' 1
Jasminum ×stephanense 9
Jatropha integerrima 6
Jeffersonia diphylla 23
Jeffersonia dubia 3
Jovibarba heuffelii 'Giuseppi Spiny' 1
Juanulloa aurantiaca 1
Jubaea chilensis 5
Juglans 1
Juglans ailanthifolia 10
Juglans major 4
Juglans mandshurica 2
Juglans microcarpa 1
Juglans nigra 12
Juncus 4
Juncus (curly leaf) 3
Juncus effusus 3
Juncus effusus var. pacificus 'Quartz Creek' 2
Juncus ensifolius 4
Juncus gerardii 2
Juncus inflexus 1
Juncus inflexus 'Blue Arrows' 13
Juncus pallidus 'Javelin' 4
Juncus patens 'Carman's Gray' 2
Juncus tenuis 'Blue Dart' 3
Juniperus 202
Juniperus barbadensis var. luceyana 4
Juniperus bermudiana 4
Juniperus cedrus 8
Juniperus chinensis 6
Juniperus chinensis 'Blue Alps' 3
Juniperus chinensis 'Blue Point' 1
Juniperus chinensis 'Echiniformis' 6
Juniperus chinensis 'Expansa Aureospicata' 2
Juniperus chinensis 'Expansa Variegata' 2
Juniperus chinensis 'Hetzii' 1
Juniperus chinensis 'Japonica' 1
Juniperus chinensis 'Kaizuka' 10
Juniperus chinensis 'Keteleeri' 1
Juniperus chinensis 'Mac's Golden' 3
Juniperus chinensis 'Maymont Gold' 7
Juniperus chinensis 'Obelisk' 6
Juniperus chinensis 'Plumosa Aurea' 1
Juniperus chinensis 'Pyramidalis' 1
Juniperus chinensis 'Shimpaku' 1
Juniperus chinensis 'Shimpaku Gold' 4
Juniperus chinensis 'Shoosmith' 5
Juniperus chinensis 'Spartan' 10
Juniperus chinensis 'Sylvestris' 3
Juniperus chinensis 'Variegated Kaizuka' 4
Juniperus communis 10
Juniperus communis 'Compressa' 4
Juniperus communis var. depressa 7
Juniperus communis 'Gold Cone' 17
Juniperus communis 'Gold Totem Pole' 6
Juniperus communis 'Green Carpet' 4
Juniperus communis 'Hornibrookii' 1
Juniperus communis 'Horstmann Weeper' 7
Juniperus communis 'Lemon Spire' 4
Juniperus communis 'Pencil Point' 2
Juniperus communis 'Pendula' 5
Juniperus communis 'Tage Lundell' 4
Juniperus communis 'Veitch's Blue' 2
Juniperus conferta 22
Juniperus conferta 'Blue Pacific' 1
Juniperus conferta 'Emerald Sea' 5
Juniperus conferta 'Silver Mist' 8
Juniperus conferta 'Spg-3-016' 5
Juniperus conferta 'Sunsplash' 8
Juniperus deppeana 'McPhetter' 3
Juniperus drupacea 2
Juniperus flaccida 10
Juniperus foetidissima 2
Juniperus formosana 8
Juniperus 'Grey Owl' 8
Juniperus horizontalis 35
Juniperus horizontalis 'Bar Harbor' 5
Juniperus horizontalis 'Blue Forest' 1
Juniperus horizontalis 'Blue Horizon' 1
Juniperus horizontalis 'Blue Pygmy' 9
Juniperus horizontalis 'Glomerata' 1
Juniperus horizontalis 'Gold Strike' 3
Juniperus horizontalis 'Golden Carpet' 4
Juniperus horizontalis 'Maiden Gold' 4
Juniperus horizontalis 'Marcellus' 1
Juniperus horizontalis 'Mother Lode' 12
Juniperus horizontalis 'Noslg' 5
Juniperus horizontalis 'Pancake' 1
Juniperus horizontalis 'Planifolia' 9
Juniperus horizontalis 'Plumosa' 1
Juniperus horizontalis 'Prince of Wales' 1
Juniperus horizontalis 'Prostrata' 1
Juniperus horizontalis 'Silver Sheen' 6
Juniperus horizontalis 'Wiltonii' 3
Juniperus ×media 9
Juniperus ×media ('Armstrongii' variegated sport) 3
Juniperus ×media 'Blue & Gold' 3
Juniperus ×media 'Daub's Frosted' 1
Juniperus ×media 'Old Gold' 1
Juniperus ×media 'Saybrook Gold' 2
Juniperus ×media 'Sea Green' 2
Juniperus monosperma 4
Juniperus occidentalis 9
Juniperus phoenicea 2
Juniperus pinchotii 10
Juniperus pingii 2
Juniperus pingii var. wilsonii 'Loderi' 3
Juniperus procumbens 7
Juniperus procumbens 'Greenmound Nana' 3
Juniperus procumbens Nana Group 14
Juniperus procumbens [Nana Group] 'California' 8
Juniperus recurva var. bhutanica 4
Juniperus recurva var. coxii 5
Juniperus rigida 9
Juniperus rigida 'Hikari' 6
Juniperus rigida 'Pendula' 1
Juniperus rigida 'Tight Fastigiate Cone' 5
Juniperus sabina 1
Juniperus sabina 'Skandia' 2
Juniperus sabina [Tamariscifolia Group] 'Tamariscifolia' 1
Juniperus sabina 'Variegata' 3
Juniperus sargentii 1
Juniperus scopulorum 9
Juniperus scopulorum 'Blue Haven' 2
Juniperus scopulorum 'Grey Gleam' 1
Juniperus scopulorum 'Tolleson's Weeping' 6
Juniperus scopulorum 'Wichita Blue' 1
Juniperus seravschanica 8
Juniperus squamata 4
Juniperus squamata 'Blue Carpet' 2
Juniperus squamata 'Blue Spreader' 9
Juniperus squamata 'Blue Star' 17
Juniperus squamata 'Holger' 2
Juniperus squamata 'Meyeri' 5
Juniperus taxifolia 2
Juniperus virginiana 42
Juniperus virginiana 'Ascension' 1
Juniperus virginiana 'Canaert' 6
Juniperus virginiana 'Emerald Sentinel' 1
Juniperus virginiana (fastigiate blue) 12
Juniperus virginiana 'Glauca Compacta' 6
Juniperus virginiana 'Globosa' 3
Juniperus virginiana 'Hillspire' 2
Juniperus virginiana (mounding form) 6
Juniperus virginiana 'Regal' 5
Juniperus virginiana 'Royo' 8
Juniperus virginiana 'Sapphire Sentinel' 1
Juniperus virginiana (Scott Burrell's extreme narrow form) 3
Juniperus virginiana var. silicicola 4
Juniperus virginiana 'Stover' 1
Juniperus virginiana 'Taylor' 5
Juniperus virginiana (Wake Forest variegated) 6
Juniperus wallichiana 2
Justicia brandegeeana 7
Justicia brandegeeana 'Fruit Salad' 2
Justicia carnea 1
Justicia carnea (dark leaved) 4
Justicia rizzini 1
Justicia spicigera 6
Kadsura japonica 'Chirimen' 4
Kadsura japonica 'Fukurin' 11
Kadsura japonica 'Kumagai' 1
Kadsura longipedunculata 12
Kadsura aff. longipedunculata 1
Kaempferia 2
Kaempferia pulchra 2
Kaempferia pulchra 'Alva' 2
Kaempferia rotunda 1
Kalanchoe 9
Kalanchoe beharensis 1
Kalanchoe blossfeldiana 3
Kalanchoe laxiflora 4
Kalanchoe prolifera 3
Kalanchoe pumila 1
Kalanchoe thyrsiflora 1
Kalanchoe tomentosa 1
Kalimeris incisa 'Edo Murasaki' 20
Kalimeris pinnatifida 9
Kalimeris yomena 'Shogun' 2
Kalmia 15
Kalmia angustifolia 28
Kalmia latifolia 88
Kalmia latifolia 'Bridesmaid' 6
Kalmia latifolia 'Carol' 8
Kalmia latifolia 'Carousel' 3
Kalmia latifolia 'Croft Carpet' 7
Kalmia latifolia 'Elf' 1
Kalmia latifolia 'Freckles' 8
Kalmia latifolia × K. hirsuta 3
Kalmia latifolia 'Kaleidoscope' 5
Kalmia latifolia 'Little Linda' 2
Kalmia latifolia f. myrtifolia 3
Kalmia latifolia 'Ostbo Red' 2
Kalmia latifolia 'Pink Charm' 8
Kalmia latifolia 'Pristine' 5
Kalmia latifolia 'Raspberry Glow' 5
Kalmia latifolia 'Sarah' 11
Kalmia latifolia 'Sharon Rose' 3
Kalmia latifolia 'Shooting Star' 2
Kalmia latifolia 'Snowdrift' 1
Kalmiopsis 3
Kalmiopsis leachiana 4
Kalmiopsis leachiana 'Umpqua Form' 2
Kalopanax 1
Kalopanax septemlobus 12
Kelseya uniflora 2
Kennedia 'Minstrel' 3
Kennedia nigricans 2
Kerria japonica 13
Kerria japonica 'Chiba Gold' 20
Kerria japonica 'Fubuki Nishiki' 17
Kerria japonica 'Geisha' 10
Kerria japonica 'Honshu' 11
Kerria japonica 'Picta' 1
Kerria japonica 'Pleniflora' 6
Keteleeria 5
Keteleeria davidiana 6
Keteleeria davidiana var. davidiana 18
Keteleeria davidiana var. formosana 4
Keteleeria evelyniana 4
Kigelia africana 7
Kirengeshoma koreana 19
Kirengeshoma palmata 9
Kirengeshoma palmata (white flush) 2
Knautia macedonica 3
Knautia macedonica 'Thunder and Lightning' 2
Knightia excelsa 3
Kniphofia 72
Kniphofia 'Bressingham Comet' 2
Kniphofia buchananii 2
Kniphofia 'Candlelight' 7
Kniphofia citrina 1
Kniphofia 'Echo Mango' 6
Kniphofia 'Gladness' 13
Kniphofia hirsuta 2
Kniphofia hirsuta 'Fire Dance' 4
Kniphofia 'Mango Popsicle' 12
Kniphofia northiae 10
Kniphofia 'Nose Job' 10
Kniphofia 'Parmentier' 3
Kniphofia 'Pineapple Popsicle' 3
Kniphofia 'Rocket Jr.' 2
Kniphofia (Rockette Orange) 7
Kniphofia rooperi 37
Kniphofia 'Sally's Comet' 1
Kniphofia 'Shining Scepter' 8
Kniphofia 'Strawberries and Cream' 3
Kniphofia 'Sunningdale Yellow' 3
Kniphofia thomsonii var. thomsonii 3
Kniphofia (Threave Hybrids) 2
Kniphofia 'Toffee Nosed' 1
Kniphofia triangularis 24
Kniphofia tuckii 8
Kniphofia uvaria 'Flamenco' 3
Kniphofia uvaria 'KLEKN22193' 4
Kniphofia uvaria 'Lola' 24
Koelreuteria 9
Koelreuteria bipinnata 12
Koelreuteria elegans 2
Koelreuteria paniculata 19
Koelreuteria paniculata 'Beachmaster' 19
Koelreuteria paniculata 'Fastigiata' 2
Koelreuteria paniculata 'Rose Lantern' 11
Kolkwitzia amabilis 9
Kolkwitzia amabilis 'Maradco' 1
Kosteletzkya virginica 18
Kosteletzkya virginica 'Immaculate' 1
Krameria erecta 7
Krigia montana 1
Kunzea ericoides 2
Kunzea sinclairii 2
Lablab purpureus 5
+Laburnocytisus 'Adamii' 10
Laburnum 26
Laburnum alpinum 3
Laburnum anagyroides 14
Laburnum ×watereri 4
Laburnum ×watereri 'Vossii' 17
Laccospadix australasica 1
Lachenalia aloides 3
Lactuca 2
Lactuca sativa 48
Lagarostrobos franklinii 2
Lagerstroemia 83
Lagerstroemia 'Arapaho' 6
Lagerstroemia 'Cedar Lane Red' 3
Lagerstroemia 'Cherry Mocha' 4
Lagerstroemia 'Chickasaw' 1
Lagerstroemia 'Chocolate Mocha' 4
Lagerstroemia (CP 09 DS 402) 10
Lagerstroemia (Cp12ds485) 5
Lagerstroemia (Cp12ds501) 3
Lagerstroemia 'Ebony & Ivory' 6
Lagerstroemia 'Ebony Embers' 8
Lagerstroemia 'Ebony Flame' 2
Lagerstroemia fauriei 207
Lagerstroemia fauriei 'Fantasy' 133
Lagerstroemia fauriei 'Townhouse' 39
Lagerstroemia 'Gamad I' 13
Lagerstroemia 'Gamad II' 3
Lagerstroemia 'Gamad III' 22
Lagerstroemia 'Gamad IV' 5
Lagerstroemia 'Gamad V' 12
Lagerstroemia 'Gamad VII' 4
Lagerstroemia 'Hopi' 1
Lagerstroemia indica 87
Lagerstroemia indica 'Congrabel' 8
Lagerstroemia indica 'Conlagras' 5
Lagerstroemia indica 'Delea' 5
Lagerstroemia indica 'Delta Blush' 1
Lagerstroemia indica 'G2X133271' 1
Lagerstroemia indica 'G2X13377' 0
Lagerstroemia indica 'LDC-2' 1
Lagerstroemia indica 'Near East' 1
Lagerstroemia indica 'New Orleans' 4
Lagerstroemia indica 'Orchid Cascade' 21
Lagerstroemia indica 'Prairie Lace' 7
Lagerstroemia indica 'Red Filli' 25
Lagerstroemia indica 'Rosey Carpet' 5
Lagerstroemia indica 'Whit I' 7
Lagerstroemia indica 'Whit II' 8
Lagerstroemia indica 'Whit III' 13
Lagerstroemia indica 'Whit IV' 22
Lagerstroemia indica 'Whit VI' 2
Lagerstroemia indica 'Whit VII' 4
Lagerstroemia indica 'Whit VIII' 3
Lagerstroemia indica 'White Chocolate' 1
Lagerstroemia indica (white margined) 1
Lagerstroemia indica 'World's Fair' 6
Lagerstroemia 'Jd818' 3
Lagerstroemia 'Jd827' 10
Lagerstroemia 'Jd900' 7
Lagerstroemia limii 36
Lagerstroemia (NA 62914) 3
Lagerstroemia 'Natchez' 63
Lagerstroemia 'PIILAG-III' 9
Lagerstroemia 'Piilag-V' 4
Lagerstroemia 'Piilag-VII' 4
Lagerstroemia 'Piilag-VIII' 1
Lagerstroemia 'Pocomoke' 15
Lagerstroemia (purple leaf) 12
Lagerstroemia 'Purple Magic' 6
Lagerstroemia speciosa 4
Lagerstroemia subcostata 3
Lagerstroemia 'Tuscarora' 1
Lagerstroemia 'White Cascade' 6
Lagochilus inebrians 2
Lagophylla ramosissima 3
Lagunaria patersonia 1
Lagurus ovatus 1
Lamium 2
Lamium galeobdolon 3
Lamium galeobdolon 'Hermann's Pride' 2
Lamium galeobdolon 'Variegatum' 3
Lamium maculatum 1
Lamium maculatum 'Beacon Silver' 7
Lamium maculatum 'Pink Chablis' 5
Lamium maculatum 'Pink Nancy' 2
Lamium orvala 1
Lamprocapnos spectabilis 9
Lamprocapnos spectabilis 'Alba' 8
Lamprocapnos spectabilis 'Gold Heart' 18
Lamprocapnos spectabilis 'Hordival' 22
Lantana 35
Lantana 3
Lantana camara 11
Lantana camara 'Balandgold' 3
Lantana camara 'Balluceagl' 7
Lantana camara 'Balluced' 5
Lantana camara 'Baluclem' 6
Lantana camara 'Citrus Salad' 41
Lantana camara 'Flortanapi' 5
Lantana camara 'Ham and Eggs' 20
Lantana camara ('Ham and Eggs' orange sport) 19
Lantana camara 'Miss Huff' 6
Lantana camara 'Spreading Sunset' 1
Lantana camara 'Star Landing' 6
Lantana camara 'Tropical Fruit' 3
Lantana 'Chapel Hill Yellow' 5
Lantana demutata 3
Lantana 'Desert Sunset' 1
Lantana montevidensis 9
Lantana montevidensis 'Alba' 4
Lantana 'New Gold' 7
Lantana 'Sunset Beach' 15
Lantana trifolia 10
Lapageria rosea 11
Lapeirousia laxa 10
Larix 4
Larix decidua 4
Larix decidua 'Pendula' 5
Larix kaempferi 'Blue Dwarf' 1
Larix kaempferi 'Diane' 3
Larix kaempferi 'Julian's Weeper' 1
Larix laricina 8
Larrea tridentata 8
Lastreopsis microsora 1
Lathraea clandestina 2
Lathyrus odoratus 33
Lathyrus odoratus 'Matucana' 3
Lathyrus perennis 6
Lathyrus vernus 2
Laurelia sempervirens 3
Laureliopsis philippiana 3
Laurus nobilis 10
Laurus nobilis 'Aurea' 4
Laurus nobilis 'Lnss' 6
Laurus nobilis × Umbellularia californica 2
Lavandula 39
Lavandula angustifolia 1
Lavandula angustifolia 'Blue Cushion' 3
Lavandula angustifolia 'Ellagance Purple' 6
Lavandula angustifolia 2
Lavandula angustifolia 'Syngablusc' 2
Lavandula 'Avonview' 14
Lavandula dentata 1
Lavandula (ex. 'Avonview') 3
Lavandula ×intermedia 13
Lavandula ×intermedia 'Grosso' 1
Lavandula ×intermedia 'Phenomenal' 7
Lavandula multifida 2
Lavandula pedunculata 2
Lavandula pedunculata subsp. lusitanica 8
Lavandula stoechas 17
Lavandula stoechas 12
Lavandula stoechas subsp. luisieri 2
Lavandula stoechas 'Silver Anouk' 1
Lavatera 3
Lavatera thuringiaca 1
Lavatera thuringiaca 'Aurea' 3
Lavatera thuringiaca 'Barnsley' 4
Lavatera thuringiaca 'Rigrum' 3
Lavatera trimestris 5
Layia glandulosa 4
Ledebouria 1
Ledebouria cooperi 6
Ledebouria 'Gary Hammer' 21
Ledebouria ovalifolia (Dawie Human form) 5
Ledebouria zebrina 10
Ledum glandulosum 2
Leea guineensis 1
Leiophyllum buxifolium 12
Leitneria floridana 6
Lembotropis nigricans 1
Lemmaphyllum microphyllum 1
Lemna 3
Leonotis leonurus 33
Leonotis nepetifolia 1
Leontopodium 1
Leontopodium alpinum 6
Lepechinia graveolens 9
Lepechinia hastata 10
Lepidozamia peroffskyana 4
Lepisorus 3
Lepisorus bicolor 4
Lepisorus bicolor (dwarf crested) 1
Lepisorus bicolor 'Gosho Lion' 1
Lepisorus bicolor 'Gosho Rin' 1
Lepisorus bicolor (mucronate) 1
Lepisorus bicolor (tall variegated) 1
Lepisorus bicolor 'Treasure Child' 1
Lepisorus 'Hakosora' 1
Lepisorus tosaensis 1
Leptinella calcarea 3
Leptinella pusilla 1
Leptinella pyrethrifolia 2
Leptodermis oblonga 23
Leptosiphon nuttallii 6
Leptospermum 9
Leptospermum brevipes (pendulous form) 1
Leptospermum grandiflorum 2
Leptospermum lanigerum 8
Leptospermum minutifolium 6
Leptospermum nitidum 'Coppersheen' 1
Leptospermum polygalifolium 11
Leptospermum rupestre 2
Leptospermum scoparium 7
Leptospermum scoparium 'Rosy Morn' 2
Leptospermum scoparium 'Snow Flurry' 3
Leptospermum wooroonooran 1
Lespedeza 16
Lespedeza bicolor 'Lil' Buddy' 7
Lespedeza buergeri 2
Lespedeza homoloba 3
Lespedeza liukiuensis 'Little Volcano' 14
Lespedeza maximowiczii 'Niwata' 2
Lespedeza thunbergii 3
Lespedeza thunbergii 'Alba' 2
Lespedeza thunbergii subsp. formosa 4
Lespedeza thunbergii 'Gibraltar' 1
Lespedeza thunbergii 'Pink Cascade' 12
Lespedeza thunbergii 'Pink Fountain' 4
Lespedeza thunbergii 'Spring Grove' 8
Lespedeza thunbergii 'Variegata' 2
Lespedeza thunbergii 'White Fountain' 7
Leucadendron 4
Leucadendron 'Cloudbank Ginny' 3
Leucadendron tinctum 5
Leucanthemum 17
Leucanthemum 'Banana Cream II' 1
Leucanthemum maximum 'Leuz0003' 16
Leucanthemum 'Paladin' 1
Leucanthemum ×superbum 25
Leucanthemum ×superbum 'Banana Cream' 5
Leucanthemum ×superbum 'Banana Cream II' 2
Leucanthemum ×superbum 'Becky' 14
Leucanthemum ×superbum 'Daisy Duke' 4
Leucanthemum ×superbum 'Victorian Secret' 2
Leucanthemum vulgare 6
Leucanthemum vulgare 'May Queen' 1
Leucanthemum 'White Knight' 1
Leucojum 10
Leucojum aestivum 28
Leucojum aestivum 'Gravetye Giant' 26
Leucojum autumnale 1
Leucojum vernum 5
Leucophyllum 5
Leucophyllum frutescens 20
Leucophyllum frutescens 'Green Cloud' 2
Leucospermum 4
Leucospermum 'Scarlet Ribbon' 5
Leucothoe 12
Leucothoe axillaris 6
Leucothoe axillaris 'Curly Red' 3
Leucothoe axillaris 'Greensprite' 2
Leucothoe davisiae 4
Leucothoe fontanesiana 4
Leucothoe fontanesiana 'Girard's Rainbow' 11
Leucothoe fontanesiana 'Lovita' 2
Leucothoe keiskei 1
Leucothoe keiskei 'Royal Ruby' 9
Leucothoe racemosa 11
Lewisia 23
Lewisia cotyledon 17
Lewisia cotyledon 'Regenbogen' 8
Lewisia cotyledon Sunset Group 4
Lewisia pygmaea 6
Lewisia 'Tnlewcc' 9
Leycesteria formosa 15
Leycesteria formosa 'Jealousy' 1
Leycesteria formosa 'Notbruce' 6
Leymus arenarius 1
Leymus arenarius 'Blue Dune' 4
Liatris 32
Liatris 'Alba' 1
Liatris graminifolia 1
Liatris microcephala 5
Liatris punctata 1
Liatris scariosa 1
Liatris spicata 9
Liatris spicata 'Floristan Violet' 1
Liatris spicata 'Kobold' 6
Liatris squarrosa 2
Liatris squarrulosa 2
Libertia 7
Libertia caerulescens 1
Libertia chilensis 2
Libertia edgariae 2
Libertia grandiflora 3
Libertia ixoides 4
Libertia ixoides 'Nngf2' 1
Libertia peregrinans 2
Libocedrus bidwillii 2
Libocedrus plumosa 9
Ligularia 11
Ligularia 'Bottle Rocket' 5
Ligularia dentata 6
Ligularia dentata 'Britt-Marie Crawford' 17
Ligularia dentata 'Desdemona' 3
Ligularia dentata 'Othello' 5
Ligularia hodgsonii 9
Ligularia japonica 14
Ligularia japonica 'Chinese Dragon' 4
Ligularia 'Osiris Cafe Noir' 5
Ligularia przewalskii 4
Ligularia przewalskii 'Dragon's Breath' 5
Ligularia stenocephala 4
Ligustrum 21
Ligustrum delavayanum 6
Ligustrum japonicum 7
Ligustrum japonicum 'Davidson Hardy' 8
Ligustrum japonicum 'East Bay' 7
Ligustrum japonicum 'Green Meatball' 9
Ligustrum japonicum 'Hardy Small Leaf' 2
Ligustrum japonicum 'Harmony Gardens' 3
Ligustrum japonicum 'Koryu' 2
Ligustrum japonicum 'Lake Tresca' 3
Ligustrum japonicum 'Little Moon' 9
Ligustrum japonicum 'Rotundifolium' 2
Ligustrum japonicum 'Silver Stars' 8
Ligustrum lucidum 10
Ligustrum lucidum 'Big Black Blue' 3
Ligustrum lucidum 'Excelsum Superbum' 4
Ligustrum lucidum 'Marble Magic' 1
Ligustrum lucidum 'Variegatum' 1
Ligustrum 'NCLX1' 0
Ligustrum quihoui 6
Ligustrum salicifolium 2
Ligustrum sinense 8
Ligustrum sinense 'Emerald Mop' 1
Ligustrum sinense 'Variegatum' 6
Ligustrum sinense 'Wimbish' 7
Ligustrum strongylophyllum 4
Ligustrum 'Sunshine' 17
Ligustrum tschonoskii 'Little Thomas' 1
Lilium 202
Lilium African Queen Group 10
Lilium 'African Queen' 5
Lilium 'Altari' 20
Lilium 'Anastasia' 9
Lilium 'Arabian Knight' 4
Lilium auratum 3
Lilium 'Bestseller' 13
Lilium 'Black Beauty' 33
Lilium 'Bright Star' 2
Lilium 'Brindisi' 9
Lilium brownii 2
Lilium callosum 5
Lilium catesbaei 4
Lilium ciliatum 4
Lilium 'Connecticut King' 1
Lilium duchartrei 3
Lilium 'Enchantment' 3
Lilium formosanum 46
Lilium formosanum var. pricei 18
Lilium 'Fort Knox' 3
Lilium Golden Splendor Group 7
Lilium 'Golden Tycoon' 2
Lilium 'Graffity' 3
Lilium henryi 15
Lilium 'Kentucky' 25
Lilium 'Kissproof' 7
Lilium lancifolium 3
Lilium lancifolium 'Flore Pleno' 47
Lilium lancifolium (white margin) 1
Lilium 'Landini' 7
Lilium lankongense 2
Lilium leichtlinii 29
Lilium longiflorum 23
Lilium mackliniae 3
Lilium martagon 9
Lilium martagon var. album 4
Lilium 'Matrix' 4
Lilium michauxii 1
Lilium 'Miss Feya' 6
Lilium nepalense 2
Lilium 'Orange Cocotte' 8
Lilium 'Orange Marmalade' 2
Lilium 'Orange Tycoon' 16
Lilium 'Orania' 25
Lilium pardalinum subsp. wigginsii 5
Lilium philadelphicum 1
Lilium 'Pink Heaven' 3
Lilium poilanei 5
Lilium pumilum 7
Lilium pyrenaicum 3
Lilium 'Red Alert' 35
Lilium 'Red Dutch' 2
Lilium 'Red Hot' 5
Lilium regale 22
Lilium 'Renoir' 4
Lilium 'Robina' 9
Lilium 'Rodolfa' 1
Lilium rubellum 2
Lilium 'Salmon Star' 13
Lilium 'Samur' 2
Lilium sargentiae 3
Lilium 'Satisfaction' 15
Lilium 'Scheherazade' 17
Lilium 'Silk Road' 2
Lilium 'Snow Storm' 3
Lilium speciosum 7
Lilium speciosum var. rubrum 'Uchida' 1
Lilium 'Star Gazer' 1
Lilium 'Suncrest' 1
Lilium 'Sunny Morning' 22
Lilium superbum 4
Lilium 'Tiger Babies' 2
Lilium 'Tiger Woods' 1
Lilium 'Tinos' 1
Lilium 'Tiny Orange Sensation' 1
Lilium 'Touching' 23
Lilium 'Triumphator' 18
Lilium 'Vermeer' 2
Lilium 'White Tycoon' 4
Lilium 'Yelloween' 23
Limnanthes douglasii 7
Limonium 37
Limonium perezii 4
Limonium sinuatum 6
Linaria 9
Linaria alpina 2
Linaria dalmatica 3
Linaria triornithophora 2
Linaria vulgaris 5
Lindera 19
Lindera aggregata 2
Lindera angustifolia 46
Lindera angustifolia var. glabra 48
Lindera benzoin 13
Lindera chienii 36
Lindera erythrocarpa 1
Lindera floribunda 3
Lindera glauca 27
Lindera megaphylla 1
Lindera obtusiloba 27
Lindera praecox 4
Lindera reflexa 16
Lindera rubronervia 3
Lindera sericea 1
Lindera strychnifolia 6
Lindera triloba 8
Lindera umbellata 38
Lindera umbellata 'Togarashi' 21
Lindernia grandiflora 2
Linnaea borealis 3
Linum 4
Linum arboreum 2
Linum capitatum 4
Linum cariense 3
Linum flavum 'Compactum' 2
Linum lewisii 31
Linum narbonense 2
Linum perenne 2
Linum perenne subsp. lewisii 3
Linum rigidum 5
Linum usitatissimum 1
Liparis liliifolia 1
Liquidambar 8
Liquidambar acalycina 6
Liquidambar acalycina 'Burgundy Flush' 3
Liquidambar formosana 9
Liquidambar orientalis 4
Liquidambar 'Stared' 2
Liquidambar styraciflua 55
Liquidambar styraciflua 'Aurea' 4
Liquidambar styraciflua 'Burgundy' 7
Liquidambar styraciflua 'Clydesform' 8
Liquidambar styraciflua 'Frosty' 8
Liquidambar styraciflua 'Golden Treasure' 4
Liquidambar styraciflua 'Gum Ball' 7
Liquidambar styraciflua 'Oconee' 2
Liquidambar styraciflua 'Palo Alto' 1
Liquidambar styraciflua 'Rotundiloba' 26
Liquidambar styraciflua 'Silver King' 4
Liquidambar styraciflua 'Slender Silhouette' 9
Liquidambar styraciflua 'Variegata' 5
Liquidambar styraciflua 'White Star' 2
Liriodendron 3
Liriodendron chinense 11
Liriodendron chinense 'J. C. Raulston' 32
Liriodendron chinense (red flush) 2
Liriodendron tulipifera 59
Liriodendron tulipifera 'Ardis' 6
Liriodendron tulipifera 'Arnold' 2
Liriodendron tulipifera 'Aureomarginatum' 12
Liriodendron tulipifera 'Contortum' 2
Liriodendron tulipifera 'Fastigiatum' 2
Liriodendron tulipifera 'Glen Gold' 3
Liriodendron tulipifera 'Little Volunteer' 3
Liriope 48
Liriope exiliflora 'Silver Dragon' 10
Liriope gigantea 8
Liriope graminifolia 8
Liriope kansuensis 1
Liriope minor 'Torafu' 3
Liriope muscari 19
Liriope muscari 'Blue Giant' 3
Liriope muscari 'Exc 051' 3
Liriope muscari 'Gold Band' 5
Liriope muscari 'Hawk's Feather' 1
Liriope muscari 'Lynn Lowrey' 8
Liriope muscari 'Monroe's White' 3
Liriope muscari 'Okina' 18
Liriope muscari 'PeeDee Ingot' 17
Liriope muscari 'Samona' 1
Liriope muscari 'Sno Cone' 1
Liriope muscari 'Snow White' 1
Liriope muscari 'Superba' 1
Liriope muscari 'Variegata' 5
Liriope platyphylla 13
Lithocarpus 2
Lithocarpus cleistocarpus 1
Lithocarpus densiflorus 10
Lithocarpus edulis 1
Lithocarpus edulis 'Starburst' 13
Lithocarpus fohaiensis 3
Lithocarpus glaber 14
Lithocarpus harlandii 1
Lithocarpus henryi 12
Lithocarpus pachyphyllus 3
Lithocarpus variolosus 3
Lithodora diffusa 5
Lithodora diffusa 'Grace Ward' 1
Lithodora diffusa 'Heavenly Blue' 5
Lithodora diffusa 'Irish Crystal' 2
Lithodora diffusa 'White Star' 5
Lithophragma glabrum 12
Lithophragma parviflorum 2
Lithops 15
Lithraea molleoides 2
Litsea aestivalis 8
Litsea auriculata 5
Litsea coreana 8
Litsea cubeba 6
Litsea japonica 8
Litsea morrisonensis 3
Litsea populifolia 3
Litsea pseudoelongata 1
Livistona australis 5
Livistona chinensis 5
Livistona decipiens 8
Livistona saribus 5
Lloydia serotina 10
Lobelia 37
Lobelia angulata 1
Lobelia bridgesii 2
Lobelia 'Candy Corn' 3
Lobelia cardinalis 28
Lobelia chinensis 2
Lobelia 'Diva Red Wine' 2
Lobelia erinus 'Loboudtis' 2
Lobelia erinus 'Tech Hewhit' 6
Lobelia 'Grape Knee-Hi' 3
Lobelia laxiflora 4
Lobelia laxiflora var. angustifolia 13
Lobelia nummularia 4
Lobelia nuttallii 4
Lobelia physaloides 1
Lobelia 'Purple Towers' 2
Lobelia 'Queen Victoria' 8
Lobelia 'Ruby Slippers' 1
Lobelia seguinii 2
Lobelia siphilitica 9
Lobelia ×speciosa 'PAS1302712' 2
Lobelia tupa 15
Lobelia 'Wildwood Splender' 3
Lobularia 10
Lobularia 'Inlbusnopr' 2
Lobularia maritima 9
Lobularia 2
Lodoicea maldivica 5
Lolium perenne subsp. multiflorum 3
Lomandra longifolia 1
Lomandra longifolia 'Katrinus Deluxe' 2
Lomandra longifolia 'LM 300' 5
Lomatia myricoides 15
Lomatium 3
Lonicera 42
Lonicera ×americana 'Pam's Pink' 28
Lonicera calcarata 4
Lonicera ciliosa 6
Lonicera flava 14
Lonicera fragrantissima 24
Lonicera ×heckrottii 'Gold Flame' 15
Lonicera henryi 1
Lonicera hildebrandiana 4
Lonicera hispidula 3
Lonicera iberica 2
Lonicera involucrata 10
Lonicera ×italica 'Sherlite' 3
Lonicera japonica 10
Lonicera japonica 'Aureoreticulata' 8
Lonicera maackii 1
Lonicera 'Mandarin' 24
Lonicera modesta var. lushanensis 7
Lonicera aff. nitida 2
Lonicera nitida 1
Lonicera nitida 'Baggesen's Gold' 22
Lonicera nitida 'Briliame' 9
Lonicera nitida 'Briloni' 17
Lonicera nitida 'Lemon Beauty' 6
Lonicera nitida 'Maigrün' 7
Lonicera nitida 'Silver Beauty' 2
Lonicera periclymenum 1
Lonicera periclymenum 'Scentsation' 1
Lonicera periclymenum 'Serotina' 3
Lonicera periclymenum 'Sweet Sue' 1
Lonicera pileata 6
Lonicera pilosa 1
Lonicera ×purpusii 30
Lonicera ×purpusii 'Winter Beauty' 41
Lonicera reticulata 'Kintzley's Ghost' 1
Lonicera sempervirens 36
Lonicera sempervirens 'Cedar Lane' 9
Lonicera sempervirens (early blooming) 19
Lonicera sempervirens 'John Clayton' 7
Lonicera sempervirens 'Leo' 5
Lonicera sempervirens 'Magnifica' 1
Lonicera sempervirens 'Major Wheeler' 6
Lonicera sempervirens f. sulphurea 16
Lonicera standishii 8
Lonicera standishii var. lancifolia 13
Lonicera subaequalis 2
Lonicera tatarica 1
Lonicera ×tellmanniana 4
Lonicera webbiana 1
Lonicera ×xylosteoides 'Emerald Mound' 1
Lophocereus gatesii 1
Lophocereus schottii 3
Lophocereus schottii f. monstrosus 1
Lophomyrtus bullata 2
Lophomyrtus obcordata 1
Lophomyrtus ×ralphii 'Kathryn' 2
Lophomyrtus ×ralphii 'Pixie' 2
Lophophora williamsii 2
Lophostemon confertus 5
Loropetalum chinense 3
Loropetalum chinense 'China Pink' 1
Loropetalum chinense var. chinense 49
Loropetalum chinense 'Compactum' 13
Loropetalum chinense (Dodd form) 3
Loropetalum chinense 'Green Elf' 4
Loropetalum chinense 'Hakuou' 14
Loropetalum chinense 'Irodori' 2
Loropetalum chinense 'Kurenai' 9
Loropetalum chinense 'NCI002' 12
Loropetalum chinense var. rubrum 36
Loropetalum chinense var. rubrum 'Bicolor' 4
Loropetalum chinense var. rubrum 'Blush' 2
Loropetalum chinense var. rubrum 'Chang Nian Hong' 9
Loropetalum chinense var. rubrum (compact) 15
Loropetalum chinense var. rubrum 'Daruma' 24
Loropetalum chinense var. rubrum 'Hindwarf' 2
Loropetalum chinense var. rubrum 'Hines Purple Leaf' 5
Loropetalum chinense var. rubrum 'Monraz' 2
Loropetalum chinense var. rubrum 'Pipa's Red' 4
Loropetalum chinense var. rubrum (Piroche form) 3
Loropetalum chinense var. rubrum 'Ruby' 4
Loropetalum chinense var. rubrum 'Sizzlin' Pink' 1
Loropetalum chinense var. rubrum 'Spg-3-002' 4
Loropetalum chinense var. rubrum 'Spg-3-017' 5
Loropetalum chinense var. rubrum 'Suzanne' 3
Loropetalum chinense var. rubrum (variegated) 8
Loropetalum chinense var. rubrum 'Zhuzhou Fuchsia' 21
Loropetalum chinense 'Shang-hi' 7
Loropetalum chinense 'Shang-lo' 6
Loropetalum chinense 'Shang-White' 11
Loropetalum chinense 'Shidare' 12
Loropetalum chinense 'Snow Dance' 2
Loropetalum chinense 'Snow Panda' 2
Loropetalum chinense 'Snowmound' 4
Loropetalum chinense 'Tokyo Weeping' 13
Lotus berthelotii 3
Lotus campylocladus 3
Lotus corniculatus 2
Lotus corniculatus 'Plenus' 2
Ludwigia sedioides 4
Luehea divaricata 3
Luma apiculata 13
Lunaria 2
Lunaria annua 9
Lunaria annua variegata 8
Lupinus 59
Lupinus arboreus 12
Lupinus arbustus 2
Lupinus argenteus 5
Lupinus caespitosus 6
Lupinus diffusus 1
Lupinus littoralis 7
Lupinus perennis 11
Lupinus perennis subsp. perennis 2
Lupinus pilosus 3
Lupinus polycarpus 5
Lupinus (Russell hybrids) 3
Lupinus texensis 41
Lupinus villosus 3
Luzula crenulata 1
Luzula nivea 1
Luzula sylvatica 'Hohe Tatra' 1
Lycaste ×groganii 2
Lychnis 5
Lychnis chalcedonica 4
Lychnis coronaria 9
Lychnis coronaria 'Alba' 3
Lychnis coronaria 'Blood Red' 1
Lychnis coronaria Oculata Group 2
Lychnis flos-cuculi 'IFLYPH' 9
Lychnis 'Rolly's Favourite' 14
Lychnis yunnanensis 4
Lycium barbarum 'Firecracker' 8
Lycium carolinianum 3
Lycopodiella 2
Lycoris 125
Lycoris 'Albi Pink' 1
Lycoris albiflora 20
Lycoris albiflora (pure white form) 2
Lycoris anhuiensis 5
Lycoris aurea 8
Lycoris caldwellii 2
Lycoris chinensis 13
Lycoris chinensis × L. sprengeri 10
Lycoris ×elsiae 4
Lycoris ×haywardii 80
Lycoris ×haywardii × Clivia miniata 3
Lycoris incarnata 4
Lycoris longituba 2
Lycoris longituba var. flava 8
Lycoris longituba var. longituba 14
Lycoris radiata 12
Lycoris radiata 'Fireworks' 2
Lycoris radiata var. radiata 113
Lycoris ×rosea 21
Lycoris sprengeri 23
Lycoris squamigera 60
Lycoris straminea 32
Lycoris ×straminea 'Hill Beyond Hill' 2
Lycoris straminea (pink sport) 1
Lygodium 2
Lygodium japonicum 8
Lyonia 3
Lyonia ligustrina 2
Lyonia lucida (wavy leaf) 4
Lyonia mariana 24
Lyonia ovalifolia var. elliptica 2
Lysichiton americanus 17
Lysichiton camtschatcensis 8
Lysimachia 2
Lysimachia christinae 2
Lysimachia ciliata 4
Lysimachia ciliata 'Firecracker' 1
Lysimachia ciliata 'Purpurea' 3
Lysimachia clethroides 6
Lysimachia clethroides 'Heronswood Gold' 15
Lysimachia congestiflora 6
Lysimachia congestiflora 'Outback Sunset' 3
Lysimachia congestiflora 'Persian Chocolate' 7
Lysimachia congestiflora 3
Lysimachia japonica 'Minutissima' 1
Lysimachia loomisii 1
Lysimachia nummularia 4
Lysimachia nummularia 'Aurea' 13
Lysimachia nummularia 'Goldilocks' 1
Lysimachia paridiformis var. stenophylla 5
Lysimachia punctata 5
Lysimachia punctata 'Alexander' 6
Lysionotus pauciflorus 6
Lythrum 6
Lythrum virgatum 'Dropmore Purple' 1
Maackia 2
Maackia amurensis subsp. amurensis 3
Maackia fauriei 1
Maackia tenuifolia 7
Macadamia ternifolia 3
Macaranga grandifolia 1
Macbridea caroliniana 5
Macfadyena unguis-cati 1
Machaeranthera 3
Machaerina rubiginosa 1
Machilus breviflora 3
Machilus thunbergii 24
Macleaya cordata 10
Maclura pomifera 6
Macropanax rosthornii 1
Macropiper excelsum 2
Macropiper excelsum 'Moonlight' 2
Macrothelypteris torresiana 'Eco Maiden Lace' 3
Macrozamia communis 5
Macrozamia moorei 2
Maesa japonica 1
Maesa (variegated) 1
Magnolia 254
Magnolia (006 weeping) 8
Magnolia acuminata 19
Magnolia acuminata 'Variegata' 3
Magnolia ×alba 1
Magnolia amabilis 8
Magnolia amoena 1
Magnolia 'Ann' 7
Magnolia 'Anticipation' 12
Magnolia 'Athene' 2
Magnolia 'Atlas' 2
Magnolia baillonii 2
Magnolia 'Betty' 12
Magnolia 'Big Dude' × M. 'Gold Cup' 3
Magnolia biondii 28
Magnolia 'Brass Monkey' 14
Magnolia ×brooklynensis 'Black Beauty' 1
Magnolia ×brooklynensis 'Black Beauty' × (M. 'Toro' × M. 'Gorgeous') 9
Magnolia ×brooklynensis 'Evamaria' 1
Magnolia ×brooklynensis 'Hattie Carthan' 1
Magnolia ×brooklynensis 'Woodsman' 19
Magnolia 'Bubbles' 2
Magnolia 'Butterflies' 1
Magnolia 'Caerhays Belle' 1
Magnolia calcicola 2
Magnolia campbellii 21
Magnolia campbellii subsp. mollicomata 3
Magnolia campbellii 'Strybing White' 5
Magnolia cavaleriei 36
Magnolia cavaleriei var. platypetala 31
Magnolia champaca 3
Magnolia chapensis 4
Magnolia 'Charles Coates' 2
Magnolia chevalieri 4
Magnolia coco 1
Magnolia compressa 19
Magnolia conifera var. chingii 2
Magnolia 'Coral Lake' 38
Magnolia 'Coral Reef' 2
Magnolia cylindrica 21
Magnolia 'Daphne' 7
Magnolia 'Darrell Dean' 21
Magnolia dawsoniana 2
Magnolia dawsoniana 'Clarke' 3
Magnolia 'Daybreak' 13
Magnolia delavayi 23
Magnolia delavayi (pink flower form) 9
Magnolia denudata 25
Magnolia denudata 'Fei Huang' 1
Magnolia denudata 'Forrest's Pink' 16
Magnolia denudata 'Swarthmore Sentinel' 1
Magnolia doltsopa 20
Magnolia 'Elisa Odenwald' 40
Magnolia 'Elizabeth' 47
Magnolia ernestii 6
Magnolia ernestii subsp. szechuanica 1
Magnolia 'Eskimo' 20
Magnolia 'Eternal Spring' 29
Magnolia figo 8
Magnolia figo var. crassipes 3
Magnolia figo var. crassipes 'Purple Queen' 27
Magnolia figo var. crassipes 'Royal Robes' 4
Magnolia figo 'Hagiwara Everblooming' 4
Magnolia figo 'Port Wine' 3
Magnolia figo 'Purple Drop' 2
Magnolia figo var. skinneriana 3
Magnolia figo 'Stubbs Purple' 3
Magnolia figo 'Velvet Cloak' 2
Magnolia floribunda 9
Magnolia ×foggii 3
Magnolia ×foggii 'Allspice' 11
Magnolia ×foggii 'Picotee' 6
Magnolia fordiana 5
Magnolia foveolata 9
Magnolia foveolata 'Shibamichi' × M. laevifolia 'Gail's Favourite' × M. figo var. crassipes 1
Magnolia fraseri 6
Magnolia 'Freeman' 7
Magnolia fulva 2
Magnolia 'Galaxy' 21
Magnolia 'Genie' 5
Magnolia 'Golden Endeavor' 1
Magnolia 'Golden Gift' 3
Magnolia 'Goldfinch' 19
Magnolia grandiflora 196
Magnolia grandiflora 'Baby Doll' 3
Magnolia grandiflora 'Charles Dickens' 1
Magnolia grandiflora 'Coco' 2
Magnolia grandiflora 'Emerald Spire' 20
Magnolia grandiflora 'Ferruginea' 10
Magnolia grandiflora 'Goliath' 7
Magnolia grandiflora 'Harold Poole' 11
Magnolia grandiflora 'Hasse' 18
Magnolia grandiflora 'Kay Parris' 10
Magnolia grandiflora 'Little Gem' 35
Magnolia grandiflora 'Monlia' 1
Magnolia grandiflora 'Poconos' 12
Magnolia grandiflora 'Ruff' 1
Magnolia grandiflora 'Silver Savage' 5
Magnolia grandiflora 'Southern Charm' 10
Magnolia grandiflora 'Southern Pride' 12
Magnolia grandiflora 'Starke Beauty' 2
Magnolia grandiflora 'STRgra' × M. grandiflora 'Kay Parris' 6
Magnolia grandiflora 'TMGH' 6
Magnolia grandiflora (variegated form) 45
Magnolia grandiflora 'Victoria' 4
Magnolia grandis 4
Magnolia 'Green Mist' 34
Magnolia guangdongensis 2
Magnolia guangxiensis 5
Magnolia 'Heaven Scent' 2
Magnolia hodgsonii 2
Magnolia (hybrid #3) 16
Magnolia (hybrid #3a) 2
Magnolia 'Ian's Red' 28
Magnolia insignis 22
Magnolia insignis 4
Magnolia 'Iolanthe' 39
Magnolia 'Ivory Chalice' 2
Magnolia 'Jane' 6
Magnolia 'Jon Jon' 12
Magnolia 'Joy Bells' 1
Magnolia 'Judy Zuk' 36
Magnolia kachirachirai 2
Magnolia 'Katie-O Early' 5
Magnolia ×kewensis 'Wada's Memory' 23
Magnolia kobus 17
Magnolia kobus var. borealis 20
Magnolia kobus (fastigiate) 11
Magnolia kobus (white splashed) 1
Magnolia kwangsiensis 8
Magnolia kwangtungensis 22
Magnolia laevifolia 21
Magnolia laevifolia 'Copperstop' 4
Magnolia laevifolia 'Gail's Favourite' 20
Magnolia laevifolia 'Luke' 1
Magnolia laevifolia × M. maudiae 1
Magnolia laevifolia 'Michelle' 45
Magnolia laevifolia 'Snowbird' 12
Magnolia laevifolia 'Velvet and Cream' 1
Magnolia laevifolia 'Willowleaf' 2
Magnolia 'Legend' 20
Magnolia liliiflora 7
Magnolia liliiflora 'Minnie Mouse' 10
Magnolia liliiflora 'Nigra' 4
Magnolia liliiflora 'O'Neill' 2
Magnolia liliiflora 'Purpurea' 1
Magnolia ×loebneri 7
Magnolia ×loebneri 'Ballerina' 37
Magnolia ×loebneri 'Green Mist' 1
Magnolia ×loebneri 'Leonard Messel' 13
Magnolia ×loebneri 'Merrill' 31
Magnolia ×loebneri 'Neil McEachern' 10
Magnolia ×loebneri 'Spring Snow' 5
Magnolia ×loebneri 'Willowwood' 30
Magnolia 'Lois' 20
Magnolia lotungensis 37
Magnolia macrophylla 36
Magnolia macrophylla var. ashei 23
Magnolia macrophylla (pure white) 13
Magnolia martini 1
Magnolia 'Maryland' 5
Magnolia maudiae 22
Magnolia maudiae 'Lucky' 8
Magnolia megaphylla 6
Magnolia 'MICjur01' 26
Magnolia 'Milky Way' 2
Magnolia minor 2
Magnolia 'Mixed Up Miss' 1
Magnolia 'Nimbus' 5
Magnolia nitida 1
Magnolia obovata 8
Magnolia odora 2
Magnolia officinalis 3
Magnolia officinalis var. biloba 3
Magnolia 'Old Port' 1
Magnolia 'Orchid' 1
Magnolia 'Ossie's Yellow' 1
Magnolia 'Peppermint Stick' 6
Magnolia 'Pickard's Sundew' 4
Magnolia 'Pink Delight' 8
Magnolia 'Pink Goblet' 7
Magnolia platyphylla 2
Magnolia 'Pristine' 4
Magnolia 'Purple Sensation' 1
Magnolia 'Randy' 1
Magnolia 'Raspberry Ice' 12
Magnolia 'Rose Marie' 1
Magnolia 'Rose Marie' × M. 'Genie' 15
Magnolia 'Rose Marie' × M. 'Ian's Red' 4
Magnolia rostrata 5
Magnolia 'Royal Crown' 2
Magnolia rufibarbata 2
Magnolia salicifolia 1
Magnolia salicifolia 'Miss Jack' 11
Magnolia sargentiana 4
Magnolia sargentiana (pale form) 1
Magnolia 'Sayonara' 21
Magnolia schiedeana 8
Magnolia 'Serendipity' 20
Magnolia sharpii 7
Magnolia 'Shipmast' 7
Magnolia sieboldii 31
Magnolia sieboldii 'Colossus' 30
Magnolia sieboldii 'Colossus' × M. grandiflora 'Kay Parris' 4
Magnolia sieboldii 'Gyokusui' 1
Magnolia sieboldii 'Michiko Renge' 5
Magnolia sieboldii subsp. sinensis 1
Magnolia 'Silk Road' × M. insignis 14
Magnolia 'Silk Road' × M. insignis (355) 2
Magnolia 'Solar Flair' 8
Magnolia ×soulangeana 24
Magnolia ×soulangeana 'Alexandrina' 6
Magnolia ×soulangeana 'Brozzonii' 2
Magnolia ×soulangeana 'Coates' 27
Magnolia ×soulangeana 'JURmag1' 3
Magnolia ×soulangeana 'Lilliputian' 13
Magnolia ×soulangeana 'Pickard's Opal' 10
Magnolia ×soulangeana 'Picture' 24
Magnolia ×soulangeana 'Rustica Rubra' 1
Magnolia ×soulangeana 'Speciosa' 16
Magnolia ×soulangeana 'Sundew' 18
Magnolia ×soulangeana 'Verbanica' 24
Magnolia ×soulangeana (yellow splashed) 1
Magnolia 'Spectrum' 33
Magnolia sprengeri 2
Magnolia 'Star Wars' 2
Magnolia 'Stellar Acclaim' 11
Magnolia 'Stellar Ruby' 7
Magnolia stellata 29
Magnolia stellata 'Centennial' 6
Magnolia stellata 'Chrysanthemumiflora' 16
Magnolia stellata 'Jane Platt' 18
Magnolia stellata 'Pickard's Stardust' 6
Magnolia stellata 'Rosea' 2
Magnolia stellata 'Royal Star' 5
Magnolia stellata 'Rubra' 2
Magnolia stellata 'Scented Silver' 15
Magnolia stellata 'Two Stones' 3
Magnolia stellata 'Waterlily' 31
Magnolia 'Summer Solstice' 6
Magnolia 'Sun Ray' 19
Magnolia 'Sun Spire' 1
Magnolia 'Sunsation' 7
Magnolia 'Susan' 5
Magnolia tamaulipana 12
Magnolia ×thompsoniana 3
Magnolia 'Todd Gresham' 2
Magnolia 'Todd's Forty-Niner' 11
Magnolia tripetala 27
Magnolia ×veitchii 5
Magnolia ×veitchii 'Peter Veitch' 2
Magnolia virginiana 46
Magnolia virginiana var. australis 4
Magnolia virginiana var. australis 'Aiken County' 4
Magnolia virginiana var. australis 'Coosa' 9
Magnolia virginiana var. australis 'Green Shadow' 8
Magnolia virginiana var. australis 'Henry Hicks' 9
Magnolia virginiana var. australis 'Jim Wilson' 9
Magnolia virginiana var. australis (Louisiana form) 5
Magnolia virginiana var. australis 'Mattie Mae Smith' 7
Magnolia virginiana var. australis 'Milton' 1
Magnolia virginiana var. australis 'Perdido' 2
Magnolia virginiana var. australis 'Perry Paige' 3
Magnolia virginiana var. australis 'Santa Rosa' 5
Magnolia virginiana 'Greenbay' 1
Magnolia virginiana × M. insignis 38
Magnolia virginiana 'Mt. Pulaski' 3
Magnolia virginiana 'NCSU Variegated' 3
Magnolia virginiana 'Plena' 7
Magnolia virginiana (SCC Texas/Louisiana form) × M. grandiflora 'Kay Parris' 6
Magnolia virginiana (variegated) 3
Magnolia 'Vulden' 1
Magnolia ×watsonii 1
Magnolia 'White Rose' 2
Magnolia ×wieseneri 5
Magnolia wilsonii 4
Magnolia 'Winelight' 13
Magnolia xinganensis 3
Magnolia 'Xinhanxiao' 2
Magnolia 'Yellow Bird' 2
Magnolia 'Yellow Fever' 42
Magnolia 'Yellow Lantern' 14
Magnolia yunnanensis 1
Magnolia yuyuanensis 47
Magnolia zenii 33
×Mahoberberis aquisargentii 2
Mahonia 109
Mahonia aquifolium 11
Mahonia aquifolium 'Orange Flame' 7
Mahonia 'Arthur Menzies' 22
Mahonia bealei 26
Mahonia bealei 'Silverback' 0
Mahonia bodinieri 14
Mahonia chochoco 1
Mahonia dictyota 1
Mahonia duclouxiana 5
Mahonia ×emeiensis 'Emei Shan' 13
Mahonia ×emeiensis (Ogisu) 3
Mahonia eurybracteata 14
Mahonia eurybracteata (Cistus silver) 4
Mahonia eurybracteata subsp. eurybracteata 1
Mahonia eurybracteata subsp. ganpinensis 4
Mahonia eurybracteata subsp. ganpinensis 'Soft Caress' 8
Mahonia eurybracteata 'Narihira' 12
Mahonia eurybracteata 'Spg-3-018' 3
Mahonia (ex. bodinieri) 1
Mahonia (ex. M. shenii) 3
Mahonia cf. fargesii 10
Mahonia fargesii 6
Mahonia fortunei 20
Mahonia fremontii 2
Mahonia 'Golden Cascade' 11
Mahonia gracilipes 38
Mahonia gracilis 14
Mahonia haematocarpa 14
Mahonia aff. hartwegii 5
Mahonia hupehensis 4
Mahonia ilicina 7
Mahonia 'Indianola Silver' 9
Mahonia 'J.C. Raulston' 6
Mahonia japonica 15
Mahonia japonica 'Hivernant' 5
Mahonia lanceolata 4
Mahonia leptodonta 2
Mahonia leschenaultii 2
Mahonia leveilleana 3
Mahonia ×lindsayae 'Cantab' 15
Mahonia lomariifolia 18
Mahonia mairei 3
Mahonia 'Marvel' 11
Mahonia 'McCracken's Seedling' 7
Mahonia ×media 11
Mahonia ×media 'Buckland' 13
Mahonia ×media 'Charity' 2
Mahonia ×media (ex. 'Winter Sun') 1
Mahonia ×media 'Hope' 16
Mahonia ×media 'Lionel Fortescue' 13
Mahonia ×media 'Underway' 29
Mahonia ×media 'Winter Sun' 22
Mahonia microphylla 3
Mahonia moranensis 2
Mahonia napaulensis 'Maharajah' 7
Mahonia nervosa 12
Mahonia nervosa (variegated) 2
Mahonia nitens 8
Mahonia aff. nitens 2
Mahonia oiwakensis 25
Mahonia pallida 4
Mahonia pinnata 4
Mahonia pinnata subsp. insularis 'Schnilemoon' 1
Mahonia pinnata 'Ken Hartman' 2
Mahonia piperiana 1
Mahonia polyodonta 2
Mahonia repens 23
Mahonia russellii 8
Mahonia ×savilliana 1
Mahonia shenii 13
Mahonia 'Skylark' 18
Mahonia 'Spg-3-071' 8
Mahonia subimbricata 3
Mahonia tikushiensis 12
Mahonia trifoliolata 40
Mahonia veitchiorum 3
Mahonia ×wagneri 8
Mahonia ×wagneri 'King's Ransom' 3
Mahonia (Yucca Do hybrids) 36
Maianthemum 2
Maianthemum bifolium 1
Maianthemum canadense 1
Maianthemum dilatatum 3
Maianthemum dilatatum (variegated) 1
Maianthemum henryi 6
Maianthemum japonicum 3
Maianthemum japonicum (double white) 1
Maianthemum japonicum (fukurin) 1
Maianthemum japonicum (heavy streak) 1
Maianthemum laxiflorum 4
Maianthemum oleraceum 3
Maianthemum racemosum 18
Maianthemum racemosum subsp. amplexicaule 7
Maianthemum aff. salvinii 4
Maianthemum stellatum 13
Maianthemum tatsienense 1
Maihuenia poeppigii 10
Malacothrix glabrata 4
Malaxis unifolia 1
Malaxis unifolia (A18NC-016) 2
Malephora crocea var. crocea 3
Malephora crocea 'Tequila Sunrise' 2
Malephora lutea 2
Mallotus apelta 3
Mallotus japonicus 6
Mallotus japonicus var. floccosus 4
Malus 76
Malus 'Adirondack' 2
Malus 'Arkansas Sweet' 1
Malus baccata 'Jackii' 3
Malus baccata var. mandshurica 2
Malus 'Candied Apple' 3
Malus 'Centurian' 3
Malus domestica 44
Malus 'Donald Wyman' 1
Malus floribunda 5
Malus fusca 2
Malus ×hartwigii 'Katherine' 2
Malus 'Huber' 1
Malus 'Indian Magic' 1
Malus 'Indian Summer' 1
Malus 'JFS KW213MX' 15
Malus 'JFS KW214MX' 3
Malus 'JFS KW218MX' 3
Malus 'JFS-KW207' 10
Malus 'JFS-KW5' 1
Malus 'Louisa' 2
Malus 'Manbeck Weeper' 3
Malus micromalus 23
Malus 'Parrsi' 4
Malus 'Radiant' 2
Malus 'Ralph Shay' 2
Malus 'Red Jade' 3
Malus 'Red Royal Limbertwig' 1
Malus 'Royal Beauty' 1
Malus 'Royalty' 4
Malus 'Snowdrift' 6
Malus 'Sparkler' 4
Malus 'Spring Snow' 4
Malus 'Strawberry Parfait' 5
Malus 'Sutyzam' 3
Malus trilobata 2
Malus 'Ueb 3358-3' 5
Malus 'Ueb 3812-2' 5
Malus yunnanensis 28
Malva 2
Malva sylvestris 4
Malvaviscus arboreus 2
Malvaviscus arboreus var. drummondii 55
Malvaviscus arboreus var. drummondii 'Big Momma' 8
Malvaviscus arboreus var. drummondii 'Pam Puryear' 13
Malvaviscus arboreus var. mexicanus 1
Malvaviscus penduliflorus (pink form) 1
Mammillaria 4
Mammillaria bombycina 7
Mammillaria glassii 2
Mammillaria hernandezii 3
Mammillaria heyderi var. nova 4
Mammillaria meiacantha 2
Mammillaria setispina 1
Mammillaria wrightii 1
Mandevilla 4
Mandevilla 'Alice duPont' 1
Mandevilla ×amabilis 1
Mandevilla ×amabilis 'Rita Marie Green' 6
Mandevilla laxa 21
Mandevilla 'Sunmandeho' 1
Manettia cordifolia 38
Manettia cordifolia 'John Elsley' 17
Manfreda 3
Manfreda 'Helen Wynans' 12
Manfreda maculosa 19
Manfreda 'Stripe Tease' 3
Manfreda undulata 3
Manfreda undulata 'Chocolate Chips' 19
Manfreda variegata 'Macho Mocha' 23
Manfreda variegata (Tamazunchale site) 5
Manfreda virginica 1
Manfreda virginica 'Spot' 3
×Mangave 'Arctic Fox' 4
×Mangave 1
×Mangave 'Bad Hair Day' 3
×Mangave 'Blazing Saddles' 4
×Mangave 'Blue Dart' 5
×Mangave 'Carnival' 2
×Mangave 'Catch a Wave' 7
×Mangave 'Coffee Jitters' 3
×Mangave 'Desert Dragon' 1
×Mangave 'Freckles and Speckles' 4
×Mangave 'Frosted Elegance' 0
×Mangave gonzaloi 5
×Mangave 'Ink Blot' 1
×Mangave 'Jaguar' 2
×Mangave 'Kaleidoscope' 6
×Mangave 'Lavender Lady' 7
×Mangave 'Mission to Mars' 5
×Mangave 'Moonglow' 6
×Mangave 'Navajo Princess' 6
×Mangave 'Racing Stripes' 2
×Mangave 'Silver Fox' 10
×Mangave 'Snow Leopard' 0
×Mangave 'Whale Tale' 1
Mangifera indica 13
Manihot esculenta 3
Manihot esculenta 'Variegata' 9
Manilkara zapota 4
Manoao colensoi 6
Maranta 3
Marginatocereus marginatus 7
Mariosousa heterophylla 3
Marrubium globosum 1
Marsdenia floribunda 5
Marshallia 2
Marshallia grandiflora 16
Marshallia obovata var. obovata 2
Marsilea 3
Marsilea macropoda 2
Mascagnia macroptera 4
Matteuccia struthiopteris 12
Matthiola 3
Matthiola incana 7
Matudaea trinervia 8
Mauritia flexuosa 1
Maytenus boaria 4
Mazus 7
Mazus novaezeelandiae subsp. impolitus f. hirtus 1
Mazus reptans 12
Mazus reptans 'Albus' 10
Meconopsis 16
Meconopsis betonicifolia 9
Meconopsis cambrica 7
Meconopsis grandis 8
Meconopsis paniculata 10
Meconopsis superba 1
Medeola virginiana 9
Medinilla magnifica 4
Meehania montis-koyae 9
Megaskepasma erythrochlamys 4
Melaleuca 5
Melaleuca alternifolia 8
Melaleuca glomerata 7
Melaleuca linariifolia 2
Melampodium 3
Melampodium divaricatum 3
Melampodium leucanthum 2
Melanoselinum decipiens 2
Melanthium woodii 2
Melia 1
Melia azedarach 'Jade Snowflake' 22
Melia toosendan 31
Melianthus major 14
Melicytus angustifolius 7
Melinis nerviglumis 3
Meliosma 2
Meliosma flexuosa 2
Meliosma myriantha 2
Meliosma oldhamii 4
Meliosma parviflora 7
Meliosma veitchiorum 2
Melittis melissophyllum 'Royal Velvet Distinction' 2
Melliodendron xylocarpum 30
Melliodendron xylocarpum 'Suzuki Pink' 19
Mellitis melissophyllum 2
Mentha 1
Mentha pulegium 1
Mentha requienii 3
Mentzelia decapetala 2
Mentzelia multicaulis 1
Mentzelia multiflora 2
Mentzelia strictissima 3
Menyanthes trifoliata 2
Menziesia ciliicalyx 3
Menziesia ciliicalyx var. multiflora 1
Mertensia ciliata 15
Mertensia lanceolata 9
Mertensia maritima 3
Mertensia oblongifolia 15
Mertensia virginica 35
Mertensia viridis 1
Merwilla plumbea 6
Meryta sinclairii 1
Mesembryanthemum 4
Mesembryanthemum 'Apple Blossom' 2
Mespilus 3
Mespilus canescens 10
Mespilus germanica 11
Metapanax davidii 7
Metapanax davidii (variegated) 1
Metapanax delavayi 13
Metasequoia glyptostroboides 46
Metasequoia glyptostroboides 'Hamlet's Broom' 6
Metasequoia glyptostroboides 'Jfs-pn3legacy' 5
Metasequoia glyptostroboides 'Miss Grace' 6
Metasequoia glyptostroboides 'Ogon' 32
Metasequoia glyptostroboides 'Schirrmann's Nordlicht' 21
Metasequoia glyptostroboides 'Sheridan Spire' 7
Metasequoia glyptostroboides 'Silhouette' 13
Metasequoia glyptostroboides 'Snow Flurry' 5
Metasequoia glyptostroboides 'Waasland' 1
Metasequoia glyptostroboides 'WAH-08AG' 7
Metasequoia honshuenensis 8
Metrosideros bartlettii 3
Metrosideros carminea 3
Metrosideros excelsa 2
Metrosideros fulgens 2
Metrosideros kermadecensis 'Variegata' 3
Michauxia tchihatchewii 2
Micranthes rhomboidea 8
Microbiota 1
Microbiota decussata 24
Microbiota decussata 'Condavis' 2
Microbiota decussata 'Jakobsen' 1
Microcachrys tetragona 1
Microcycas calocoma 2
Microlaena avenacea 1
Microlepia strigosa 2
Microlepia strigosa f. crispa 'Shishi' 3
Microlepia strigosa 'MacFaddeniae' 4
Microsorum 2
Microsorum fortunei 1
Microsorum pustulatum 2
Microstrobus fitzgeraldii 3
Millettia 3
Millettia pulchra 31
Millettia taiwaniana 27
Mimosa strigillosa 2
Mimulus 14
Mimulus aurantiacus 4
Mimulus guttatus 13
Mimulus nanus 2
Minuartia obtusiloba 9
Minuartia rubella 1
Mirabilis 15
Mirabilis decipiens 7
Mirabilis jalapa 7
Mirabilis jalapa 'Baywatch' 9
Mirabilis jalapa 'Limelight' 2
Mirabilis longiflora 8
Mirabilis multiflora 24
Mirabilis oxybaphoides 3
Mirabilis 'Salmon' 2
Miscanthus 25
Miscanthus floridulus 15
Miscanthus sacchariflorus 'Gotemba Gold' 11
Miscanthus sinensis 58
Miscanthus sinensis 'Adagio' 9
Miscanthus sinensis 'Gold Bar' 5
Miscanthus sinensis 'Gracillimus' 4
Miscanthus sinensis 'Little Kitten' 5
Miscanthus sinensis 'Little Miss' 5
Miscanthus sinensis 'Little Zebra' 6
Miscanthus sinensis 'Morning Light' 8
Miscanthus sinensis 'Strictus' 2
Miscanthus sinensis 'Variegatus' 5
Miscanthus sinensis 'Yaku-jima' 5
Miscanthus sinensis 'Zebrinus' 3
Miscanthus transmorrisonensis 2
Mitchella repens 22
Mitella 1
Mitella diphylla 9
Mitella stauropetala 8
Molineria capitulata 1
Molinia caerulea subsp. arundinacea 'Skyracer' 3
Molopospermum peloponnesiacum 3
Moluccella laevis 2
Momordica 1
Momordica charantia 6
Monarda 28
Monarda bartlettii 3
Monarda 'Bessie Bryant' 9
Monarda 'Claire Grace' 2
Monarda didyma 21
Monarda didyma 'Balbalmurp' 8
Monarda didyma 'Balbeemed' 1
Monarda didyma 'Pink Lace' 9
Monarda 'Fireball' 8
Monarda fistulosa 1
Monarda fistulosa × M. bartlettii 'Peter's Purple' 10
Monarda 'Jacob Cline' 13
Monarda 'Leading Lady Plum' 1
Monarda 'Mahogany' 2
Monarda pectinata 2
Monarda punctata 4
Monarda 'Violet Queen' 6
Monardella macrantha 'Marian Sampson' 9
Monardella villosa 5
Monnina cuneata 2
Monotropa 1
Monotropa uniflora 19
Monstera 3
Monstera deliciosa 9
Montia chamissoi 2
Moraea 4
Moraea bellendenii 1
Moraea collina 3
Moraea elegans 3
Moraea polyanthos 4
Moraea polystachya 37
Moraea setifolia 3
Morella cerifera 26
Morella cerifera 'Blue Candles' 5
Morella cerifera 'Burger King' 2
Morella cerifera 'Don's Dwarf' 1
Morella cerifera var. pumila 14
Morella cerifera var. pumila 'Willow Leaf' 7
Morella cerifera 'Soft Cloud' 6
Morella cerifera 'Soleil' 25
Morella cerifera 'Strawberry Shortcake' 5
Morella cerifera 'Suwanee Elf' 7
Morella pensylvanica 6
Morina longifolia 3
Morus 3
Morus alba 4
Morus alba 'Blair' 4
Morus alba 'Ho-o' 4
Morus alba 'Itoguwa' 6
Morus alba 'Paper Doll' 4
Morus alba 'Pendula' 6
Morus alba 'Unryu' 6
Mucuna bennettii 2
Mucuna cyclocarpa 10
Mucuna cyclocarpa (Ryan form) 1
Muehlenbeckia 1
Muehlenbeckia astonii 2
Muehlenbeckia axillaris 'Tricolor' 2
Muehlenbeckia complexa 5
Muhlenbergia capillaris 143
Muhlenbergia capillaris 'White Cloud' 9
Muhlenbergia dumosa 9
Muhlenbergia emersleyi 2
Muhlenbergia lindheimeri 9
Muhlenbergia 'Pink Flamingos' 23
Muhlenbergia reverchonii 'Autumn Embers' 3
Muhlenbergia reverchonii 'PUND01S' 5
Mukdenia rossii 5
Mukdenia rossii 'Karasuba' 5
×Mukgenia 'Flame' 3
Musa 79
Musa acuminata 'Dwarf Cavendish' 1
Musa acuminata 'Siam Ruby' 6
Musa balbisiana 11
Musa basjoo 42
Musa 'Bordelon' 1
Musa coccinea 5
Musa 'Helen's Hybrid' 17
Musa itinerans 1
Musa (Laos) 1
Musa 'Little Prince' 4
Musa mannii 2
Musa 'Orinoco' 7
Musa ornata (purple flower form) 5
Musa ×paradisiaca 6
Musa 'Picasso' 17
Musa sikkimensis 24
Musa thomsonii 4
Musa 'Truly Tiny' 4
Musa velutina 65
Musa velutina (giant form) 2
Musa zebrina 5
Muscari 16
Muscari armeniacum 8
Muscari armeniacum 'Alba' 1
Muscari armeniacum 'Blue Spike' 9
Muscari armeniacum 'Cantab' 1
Muscari armeniacum 'Christmas Pearl' 13
Muscari armeniacum 'Fantasy Creation' 2
Muscari armeniacum 'Saffier' 4
Muscari armeniacum 'Valerie Finnis' 7
Muscari aucheri 'Dark Eyes' 6
Muscari aucheri 'Mount Hood' 3
Muscari azureum 9
Muscari botryoides 1
Muscari botryoides 'Album' 7
Muscari latifolium 2
Muscari macrocarpum 'Golden Fragrance' 8
Muscari muscarimi 11
Muscari neglectum 5
Muscari 'Pink Sunrise' 5
Musella lasiocarpa 69
Mussaenda 9
Mussaenda erythrophylla 4
Mussaenda incana 3
Myoporum laetum 6
Myoporum parvifolium 4
Myosotidium hortensium 6
Myosotidium hortensium 'Album' 2
Myosotis 30
Myosotis palustris 'Southern Blues' 1
Myosotis scorpioides 1
Myrcianthes fragrans 1
Myrica 7
Myrica californica 2
Myrica heterophylla 2
Myrica heterophylla 'Robbie Green' 12
Myrica inodora 2
Myrica rubra 6
Myrica transmorrisonensis 2
Myriophyllum aquaticum 2
Myriopteris fendleri 2
Myrospermum sousanum 23
Myrsine africana 9
Myrsine aquilonia 1
Myrsine divaricata 4
Myrsine oliveri 1
Myrtus communis 8
Myrtus communis 'Boetica' 2
Nageia fleuryi 6
Nageia nagi 14
Nageia nagi 'Blue Gator' 2
Nageia nagi (blue leaf) 5
Nageia nagi (white streaked) 3
Nageia aff. nankoensis 4
Nananthus margaritiferus 6
Nananthus transvaalensis 1
Nandina domestica 70
Nandina domestica 'Aka' 8
Nandina domestica 'Aka Chirimen' 2
Nandina domestica 'Akame' 2
Nandina domestica 'Aobo' 4
Nandina domestica 'Aochirimen' 2
Nandina domestica 'Aome' 3
Nandina domestica (aphyllous) 4
Nandina domestica 'Aurea' 11
Nandina domestica 'Chidori' 9
Nandina domestica 'Compacta' 8
Nandina domestica (dwarf upright) 3
Nandina domestica 'Enshu' 5
Nandina domestica (ex. twisted leaf) 5
Nandina domestica 'Firepower' 4
Nandina domestica 'Greray' 7
Nandina domestica 'Gulf Stream' 1
Nandina domestica 'Harbour Dwarf' 6
Nandina domestica 'Iwai Zuru' 2
Nandina domestica 'Jaytee' 3
Nandina domestica 'Kurijuse' 8
Nandina domestica 'Lemon Lime' 2
Nandina domestica 'Leucocarpa' 19
Nandina domestica 'Little Princess' 3
Nandina domestica 'Monfar' 4
Nandina domestica 'Moon Bay' 4
Nandina domestica 'Moyer's Red' 11
Nandina domestica 'Murasaki' 10
Nandina domestica 'Nana' 3
Nandina domestica 'Nana Purpurea' 4
Nandina domestica 'Okame' 4
Nandina domestica 'Ori Zuru' 17
Nandina domestica 'Orihime' 2
Nandina domestica 'Otafuku' 13
Nandina domestica 'Pygmaea' 4
Nandina domestica (Raulston hybrid #2) 3
Nandina domestica (Raulston hybrids) 1
Nandina domestica 'Royal Princess' 12
Nandina domestica 'Seika' 9
Nandina domestica 'Senbazuru' 5
Nandina domestica 'Shiromi Orizuru' 4
Nandina domestica 'Soga Ikada' 9
Nandina domestica 'Southern Lace' 10
Nandina domestica 'Spg-3-006' 4
Nandina domestica 'Taki-no-Kawa' 6
Nandina domestica 'Tama shishi' 2
Nandina domestica 'Tamahime' 2
Nandina domestica 'Tamashiski' 2
Nandina domestica 'Tamazuru' 1
Nandina domestica 'Tancho Zuru' 3
Nandina domestica 'Towne and Country' 8
Nandina domestica 'Tsukumo' 1
Nandina domestica 'Twilight' 1
Nandina domestica (twisted leaf) 23
Nandina domestica (twisted leaf, peach fruit) 7
Nandina domestica 'Umpqua Chief' 8
Nandina domestica 'Umpqua Princess' 5
Nandina domestica 'Umpqua Warrior' 8
Nandina domestica 'Variegata' 3
Nandina domestica 'Winter Pearl' 5
Nandina domestica 'Wood's Dwarf' 7
Nannorrhops ritchieana 1
Narcissus 241
Narcissus 'Abba' 8
Narcissus 'Accent' 2
Narcissus 'Acropolis' 9
Narcissus 'Actaea' 7
Narcissus 'Aflame' 6
Narcissus 'Altun Ha' 5
Narcissus 'Apricot Whirl' 1
Narcissus 'Art Design' 8
Narcissus 'Ascot' 4
Narcissus 'Aspasia' 1
Narcissus asturiensis 1
Narcissus 'Audubon' 1
Narcissus 'Avalanche' 1
Narcissus 'Avalon' 2
Narcissus 'Baby Boomer' 2
Narcissus 'Baby Moon' 14
Narcissus 'Ballintoy' 9
Narcissus 'Barenwyn' 5
Narcissus 'Barrett Browning' 9
Narcissus 'Bartley' 2
Narcissus 'Beautiful Eyes' 1
Narcissus 'Belcanto' 8
Narcissus 'Bella Vista' 14
Narcissus 'Beryl' 13
Narcissus 'Bittern' 6
Narcissus 'Blushing Lady' 1
Narcissus 'Border Chief' 8
Narcissus 'Border Legend' 16
Narcissus 'Bravoure' 6
Narcissus bulbocodium 11
Narcissus bulbocodium var. conspicuus 16
Narcissus bulbocodium var. tenuifolius 1
Narcissus calcicola 1
Narcissus 'Camelot' 1
Narcissus 'Can Can Girl' 2
Narcissus 'Canaliculatus' 1
Narcissus 'Canarybird' 8
Narcissus cantabricus 2
Narcissus cantabricus subsp. cantabricus var. foliosus 'New Charm' 2
Narcissus 'Capree Elizabeth' 4
Narcissus 'Carlton' 4
Narcissus 'Cassata' 24
Narcissus 'Chanterelle' 8
Narcissus 'Cheerfulness' 9
Narcissus 'Chinese Ivory' 2
Narcissus 'Chinita' 5
Narcissus 'Chit Chat' 4
Narcissus 'Congress' 4
Narcissus 'Court Martial' 28
Narcissus 'Cum Laude' 7
Narcissus 'Curly' 3
Narcissus 'Cutty Sark' 6
Narcissus cyclamineus 6
Narcissus 'Cyclops' 5
Narcissus 'Daphne' 14
Narcissus 'Delnashaugh' 3
Narcissus 'Derringer' 3
Narcissus 'Diamond Ring' 6
Narcissus 'Doctor Alex Fleming' 5
Narcissus 'Doctor Hugh' 4
Narcissus 'Dolly Mollinger' 6
Narcissus 'Dreamlight' 11
Narcissus 'Dutch Master' 4
Narcissus 'Early Splendour' 9
Narcissus 'Eastern Dawn' 4
Narcissus 'Elka' 7
Narcissus 'Emperor' 1
Narcissus 'Erlicheer' 1
Narcissus 'Exception' 5
Narcissus 'Exotic Mystery' 3
Narcissus 'Falconet' 2
Narcissus 'February Gold' 23
Narcissus fernandesii 6
Narcissus fernandesii var. cordubensis 7
Narcissus 'Finch' 8
Narcissus 'Firestreak' 4
Narcissus 'Flower Record' 3
Narcissus 'Fortune' 6
Narcissus 'Fragrant Rose' 6
Narcissus 'Garden Club of America' 4
Narcissus 'Garden Fringe' 3
Narcissus 'General Patton' 3
Narcissus 'Geranium' 4
Narcissus 'Golden Bells' 16
Narcissus 'Golden Dawn' 14
Narcissus 'Golden Echo' 6
Narcissus 'Golden Quince' 4
Narcissus 'Golden Sceptre' 4
Narcissus 'Golden Sunbeam' 14
Narcissus 'Goose Green' 8
Narcissus 'Halvose' 7
Narcissus 'Hathor' 6
Narcissus 'Hawera' 23
Narcissus 'Heart to Heart' 5
Narcissus 'Hillstar' 6
Narcissus 'Honolulu' 4
Narcissus 'Hoop De Doo' 2
Narcissus 'Ice Follies' 28
Narcissus 'Ice King' 3
Narcissus 'Ice Wings' 5
Narcissus 'Inca Gold' 1
Narcissus ×intermedius 2
Narcissus 'Itzim' 14
Narcissus 'Jack Snipe' 1
Narcissus 'Jenny' 2
Narcissus 'Jet Fire' 1
Narcissus jonquilla 1
Narcissus jonquilla 'Flore Pleno' 4
Narcissus jonquilla var. henriquesii 10
Narcissus 'Jules Verne' 4
Narcissus 'Julia Jane' 13
Narcissus 'Jumblie' 3
Narcissus 'Kassell's Gold' 7
Narcissus 'Kassels Gold' 6
Narcissus 'Katie Heath' 1
Narcissus 'Kedron' 3
Narcissus 'Kokopelli' 6
Narcissus 'Lancaster' 5
Narcissus 'Larkelly' 3
Narcissus 'Larkwhistle' 11
Narcissus 'Las Vegas' 1
Narcissus 'Laurens Koster' 5
Narcissus 'Lemon Beauty' 3
Narcissus 'Lemon Drops' 6
Narcissus 'Liberty Bells' 7
Narcissus 'Little Gem' 24
Narcissus 'Little Oliver' 7
Narcissus 'Little Rusky' 8
Narcissus 'Lucky Number' 3
Narcissus ×macleayi 4
Narcissus 'Manon Lescaut' 6
Narcissus 'Martinette' 5
Narcissus 'Mary Gay Lirette' 12
Narcissus 'Matapan' 8
Narcissus ×medioluteus 1
Narcissus 'Meeting' 9
Narcissus 'Merels Favorite' 7
Narcissus 'Merlin' 3
Narcissus 'Midget' 7
Narcissus minor 2
Narcissus 'Mint Julep' 6
Narcissus 'Mistral' 1
Narcissus 'Mite' 8
Narcissus 'Modern Art' 11
Narcissus 'Mon Cherie' 2
Narcissus 'Monal' 13
Narcissus 'Moonbird' 2
Narcissus 'More and More' 6
Narcissus 'Mount Hood' 8
Narcissus 'New-Baby' 7
Narcissus 'Night Cap' 6
Narcissus obvallaris 11
Narcissus 'Odoratus' 1
Narcissus ×odorus 'Flore Pleno' 3
Narcissus ×odorus 'Plenus' 7
Narcissus 'Orange Cockade' 8
Narcissus 'Orange Comet' 1
Narcissus 'Orange Frilled' 23
Narcissus 'Orange Queen' 2
Narcissus 'Oxford Gold' 4
Narcissus 'Palmares' 6
Narcissus 'Pappy George' 18
Narcissus papyraceus 5
Narcissus 'Paradise Island' 11
Narcissus 'Parisienne' 3
Narcissus 'Park Tropical' 8
Narcissus 'Peaches and Cream' 7
Narcissus 'Pencrebar' 8
Narcissus 'Pet Finch' 5
Narcissus 'Petite Four' 1
Narcissus 'Pink Charm' 10
Narcissus 'Pink Paradise' 3
Narcissus 'Pink Pride' 2
Narcissus 'Pinza' 7
Narcissus 'Pipit' 1
Narcissus 'Pistachio' 6
Narcissus poeticus var. recurvus 3
Narcissus 'Polar Ice' 3
Narcissus 'Precocious' 2
Narcissus 'Pretty Miss' 1
Narcissus pseudonarcissus subsp. moschatus 14
Narcissus pseudonarcissus subsp. nobilis 2
Narcissus pseudonarcissus subsp. obvallaris 1
Narcissus 'Pueblo' 12
Narcissus 'Quail' 2
Narcissus 'Queen of the North' 7
Narcissus 'Rapture' 12
Narcissus 'Red Curtain' 11
Narcissus 'Redhill' 10
Narcissus 'Rijnveld's Early Sensation' 22
Narcissus 'Rikki' 7
Narcissus 'Rip van Winkle' 3
Narcissus 'Romeo' 2
Narcissus romieuxii 3
Narcissus romieuxii subsp. albidus var. zaianicus 11
Narcissus 'Roseanna' 3
Narcissus rupicola 1
Narcissus rupicola subsp. watieri 2
Narcissus 'Sabine Hay' 3
Narcissus 'Sabrosa' 2
Narcissus 'Sailboat' 1
Narcissus 'Sailorman' 2
Narcissus 'Scarlet Royal' 4
Narcissus 'Scilly White' 11
Narcissus 'Segovia' 3
Narcissus 'Sempre Avanti' 3
Narcissus 'Serola' 1
Narcissus 'Sherwood Forest' 3
Narcissus 'Silver Chimes' 5
Narcissus 'Silver Smiles' 15
Narcissus 'Sir Winston Churchill' 8
Narcissus 'Slice of Life' 11
Narcissus 'Slim Whitman' 10
Narcissus 'Small Talk' 31
Narcissus 'Smiling Sun' 4
Narcissus 'Smiling Twin' 7
Narcissus 'Snow Baby' 9
Narcissus 'Sorbet' 4
Narcissus 'Sound' 9
Narcissus 'Spellbinder' 2
Narcissus 'Spoirot' 13
Narcissus 'Stainless' 1
Narcissus 'Starlight Sensation' 1
Narcissus 'Stratosphere' 4
Narcissus 'Sugarbush' 4
Narcissus 'Sun Disc' 2
Narcissus 'Sunlight Sensation' 3
Narcissus 'Surfside' 7
Narcissus 'Suzy' 4
Narcissus 'Sweet Smiles' 21
Narcissus 'Sweetness' 3
Narcissus 'Tahiti' 5
Narcissus 'Telamonius Plenus' 9
Narcissus 'Tête Bouclé' 8
Narcissus 'Tête-à-Tête' 11
Narcissus 'Thalia' 7
Narcissus 'Tiny Bubbles' 8
Narcissus 'Tittle Tattle' 3
Narcissus 'Trepolo' 6
Narcissus 'Tresamble' 7
Narcissus 'Trevithian' 11
Narcissus 'Tricollet' 2
Narcissus 'Tropical Sunset' 4
Narcissus 'Tullybeg' 9
Narcissus 'Twinkling Yellow' 5
Narcissus 'Ultimus' 2
Narcissus 'Unsurpassable' 2
Narcissus 'Valdrome' 4
Narcissus 'Victoria von dem Busche' 7
Narcissus 'Virginia Sunrise' 16
Narcissus 'W.P. Milner' 4
Narcissus 'Water Perry' 1
Narcissus 'Westward' 3
Narcissus 'White Butterfly' 4
Narcissus 'White Ideal' 1
Narcissus 'White Petticoat' 15
Narcissus willkommii 23
Narcissus 'Wisley' 9
Narcissus 'Xit' 4
Narcissus 'Yellow Cheerfulness' 10
Narcissus 'Yellow Salome' 1
Narthecium californicum 3
Nassella tenuissima 10
Nectaroscordum siculum 15
Neillia 3
Neillia ribesioides 2
Neillia sinensis 7
Neillia tanakae 2
Neillia uekii 8
Nelumbo 27
Nelumbo 'Momo Botan' 3
Nelumbo nucifera 124
Nelumbo nucifera 'Mrs. Perry D. Slocum' 14
Nelumbo nucifera 'Shiroman' 5
Nematolepis squameum 2
Nematolepis squameum 'Illumination' 2
Nemesia 2
Nemesia fruticans 2
Neolepisorus fortunei 4
Neolepisorus ovatus f. variegatus 2
Neolitsea aciculata 3
Neolitsea aurata var. paraciculata 2
Neolitsea phanerophlebia 2
Neolitsea sericea 24
Neolitsea sericea 'Kanoko' 7
Neomarica caerulea 2
Neomarica gracilis 2
Neopanax colensoi 2
Neopanax laetus 6
Neoshirakia japonica 12
Nepeta 14
Nepeta 'Blue' 3
Nepeta cyanea subsp. cyanea 6
Nepeta 'Dropmore' 4
Nepeta 'Early Bird' 16
Nepeta ×faassenii 'Novanepjun' 12
Nepeta ×faassenii 'Walker's Low' 3
Nepeta govaniana 2
Nepeta 'Joanna Reed' 1
Nepeta 'Limelight' 1
Nepeta nuda 4
Nepeta 'Pink Candy' 3
Nepeta 'Purple Haze' 8
Nepeta racemosa 'Snowflake' 2
Nepeta 'Six Hills Giant' 12
Nepeta subsessilis 4
Nepeta subsessilis 'Sweet Dreams' 2
Nephrolepis 1
Nephrolepis exaltata 9
Nephrolepis exaltata 'Tiger Fern' 1
Nerine 7
Nerine bowdenii 1
Nerine filifolia 3
Nerium oleander 34
Nerium oleander (double yellow) 8
Nerium oleander (variegated) 2
Nestigis cunninghamii 1
Neviusia alabamensis 30
Nicandra 1
Nicotiana 13
Nicotiana glauca 11
Nicotiana glauca 'Salta Blues' 7
Nicotiana langsdorffii 3
Nicotiana longiflora (Buenos Aires form) 2
Nicotiana sylvestris 7
Nicotiana tabacum 3
Nierembergia 1
Nierembergia gracilis 'Starry Eyes' 12
Nigella 2
Nigella damascena 4
Nipponanthemum nipponicum 13
Noccaea montana 3
Nolina 16
Nolina bigelowii 3
Nolina durangensis 4
Nolina erumpens 1
Nolina georgiana 4
Nolina 11
Nolina lindheimeriana 5
Nolina longifolia 13
Nolina microcarpa 6
Nolina nelsonii 69
Nolina aff. nelsonii 1
Nolina parryi 13
Nolina parviflora 1
Nolina texana 4
Nomocharis aperta 4
Nothaphoebe cavaleriei 3
Nothofagus 10
Nothofagus antarctica 4
Nothofagus antarctica 'Chillan' 1
Nothofagus cunninghamii 4
Nothofagus dombeyi 4
Nothofagus fusca 1
Nothofagus menziesii 11
Nothofagus obliqua 2
Nothofagus solandri var. cliffortioides 3
Notholaena 1
Notholithocarpus densiflorus var. echinoides 6
Nothoscordum 3
Nothoscordum montevidense 6
Nothoscordum sellowianum 51
Nothotsuga longibracteata 7
Notocactus apricus 12
Notocactus concinnus 4
Notocactus eugeniae 3
Notocactus floricomus 6
Notocactus laetivirens 5
Notocactus magnificus 5
Notocactus mammulosus 6
Notocactus ottonis 9
Notocactus submammulosus 3
Nuphar lutea 3
Nuphar lutea subsp. advena 8
Nuphar lutea subsp. sagittifolia 4
Nymphaea 317
Nymphaea 'Arc-en-Ciel' 42
Nymphaea 'Attraction' 15
Nymphaea 'Charlene Strawn' 5
Nymphaea 'Colorado' 20
Nymphaea 'Foxfire' 1
Nymphaea odorata 5
Nymphaea 'Pink Grapefruit' 3
Nymphaea 'Star of Siam' 1
Nymphaea 'Virginalis' 2
Nymphoides aquatica 3
Nyssa 2
Nyssa ogeche 1
Nyssa sinensis 3
Nyssa sylvatica 29
Nyssa sylvatica 'Autumn Cascades' 3
Nyssa sylvatica (Dirr selection) 74
Nyssa sylvatica 'Hayman Red' 8
Nyssa sylvatica 'Lakeside Weeper' 5
Nyssa sylvatica 'Miss Scarlet' 7
Nyssa sylvatica 'Sheri's Cloud' 5
Nyssa sylvatica 'Tupelo Tower' 7
Nyssa sylvatica (weeping) 2
Nyssa sylvatica 'Wildfire' 13
Nyssa ursina 6
Obolaria virginica 8
Ochroma pyramidale 1
Ocimum 1
Ocimum 'African Blue' 3
Ocimum basilicum 2
Ocimum basilicum 'Cardinal' 1
Ocimum labiatum 6
Odontonema tubaeforme 9
Oemleria cerasiformis 5
Oenanthe javanica 'Flamingo' 8
Oenothera 24
Oenothera acaulis 3
Oenothera albicaulis 3
Oenothera caespitosa 10
Oenothera coronopifolia 9
Oenothera deltoides 2
Oenothera fremontii 1
Oenothera fremontii 'Shimmer' 11
Oenothera fruticosa 4
Oenothera glazioviana 3
Oenothera 'Golden Summer' 1
Oenothera 'Innoeno131' 7
Oenothera lamarckiana 2
Oenothera macrocarpa 2
Oenothera serrulata 'Prairie Lode' 3
Oenothera speciosa 24
Olea 3
Olea europaea 48
Olea europaea 1
Olea europaea 'Arbequina' 6
Olea yunnanensis 2
Olearia 4
Olearia albida var. angulata 3
Olearia chathamica 2
Olearia cheesemanii 1
Olearia cheesemanii 'Variegata' 3
Olearia hectorii 2
Olearia ilicifolia 4
Olearia lacunosa 2
Olearia macrodonta 2
Olearia nummularifolia 13
Olearia phlogopappa 2
Olearia phlogopappa 'Blue Gem' 2
Olearia phlogopappa 'Pink Gem' 1
Olearia polita 2
Olearia semidentata 3
Olearia solandri 4
Olearia virgata var. lineata 2
Oligostachyum spongiosum 1
Omphalodes cappadocica 'Starry Eyes' 9
Omphalodes nitida 1
Onoclea sensibilis 3
Onopordum 1
Onopordum acanthium 3
Onosma cinerea 11
Onosma echioides 5
Onychium japonicum 2
Onychium japonicum 'Sichuan Lace' 13
Ophiopogon 22
Ophiopogon bodinieri 3
Ophiopogon clarkei 2
Ophiopogon 'Hakuryukou-no-kawhrhi' 6
Ophiopogon 'Hosoba Kokuryu' 2
Ophiopogon intermedius 4
Ophiopogon jaburan 'Tuff Tuft Lavender' 12
Ophiopogon japonicus 26
Ophiopogon japonicus 'Gyoku Ryu' 18
Ophiopogon japonicus 'Variegatus' 3
Ophiopogon malcolmsonii 3
Ophiopogon planiscapus 5
Ophiopogon planiscapus 'Haku Ryu Ko' 4
Ophiopogon planiscapus 'Kokuryu' 25
Ophiopogon planiscapus 'Kokuryu' (white flush) 1
Ophiopogon sylvicola 2
Ophiopogon umbraticola 6
Ophiopogon umbraticola 'Sparkler' 3
Opithandra primuloides 2
Oplismenus hirtellus 'Variegatus' 2
Opuntia 150
Opuntia ×alta 27
Opuntia aurea 28
Opuntia aurea 'Al Parker' 3
Opuntia aurea (miniature form) 2
Opuntia 'Baby Rita' 5
Opuntia basilaris 15
Opuntia cacanapa 'Ellisiana' 27
Opuntia chlorotica 1
Opuntia debreczyi 2
Opuntia ×ellisiana 'Burbank Spineless' 4
Opuntia engelmannii 10
Opuntia ficus-indica 2
Opuntia fragilis 4
Opuntia fragilis (dwarf golden) 3
Opuntia fragilis 'Potato' 2
Opuntia humifusa 18
Opuntia humifusa var. humifusa 4
Opuntia humifusa 'Sunshine' 23
Opuntia kleiniae 4
Opuntia macrorhiza 33
Opuntia microdasys subsp. rufida 1
Opuntia monacantha 2
Opuntia phaeacantha 22
Opuntia phaeacantha (purple) 3
Opuntia polyacantha 13
Opuntia polyacantha 'Peter Pan' 3
Opuntia polyacantha f. rosaeflora 18
Opuntia pusilla 1
Opuntia santa-rita 28
Opuntia scheeri 14
Opuntia sheerii 3
Opuntia 'Ultra Violet' 3
Oraniopsis appendiculata 2
Orbexilum pedunculatum 18
Oreocharis auricula 4
Oreochrysum parryi 3
Oreopanax nymphaeifolius 2
Oreopanax xalapensis 3
Oreoxis alpina 9
Origanum 10
Origanum acutidens 6
Origanum amanum 2
Origanum 'Amethyst Falls' 16
Origanum 'Barbara Tingey' 3
Origanum 'Kent Beauty' 1
Origanum 'Kirigami' 20
Origanum laevigatum 1
Origanum laevigatum 'Herrenhausen' 2
Origanum laevigatum 'Lizzie' 2
Origanum laevigatum 'Pilgrim' 4
Origanum libanoticum 6
Origanum 'Norton Gold' 4
Origanum 'Rosenkuppel' 3
Origanum (Santa Cruz) 6
Origanum vulgare 6
Origanum vulgare 'Aureum' 1
Orixa japonica 4
Orixa japonica 'Pearl Frost' 9
Orixa japonica 'Summer Sunshine' 3
Orixa japonica 'Variegata' 1
Orlaya grandiflora 7
Ornithogalum 1
Ornithogalum balansae 1
Ornithogalum dubium 9
Ornithogalum magnum 5
Ornithogalum oligophyllum 3
Ornithogalum saundersiae 8
Ornithogalum umbellatum 5
Orobanche uniflora 4
Orogenia linearifolia 5
Orontium aquaticum 8
Orostachys 3
Orostachys fimbriata 2
Orostachys furusei 8
Orostachys iwarenge 28
Orostachys malacophylla 3
Orostachys malacophylla var. aggregata 3
Orostachys spinosa 3
Orthosiphon aristatus 2
Orthrosanthus multiflorus 1
Oryza sativa 29
Oryza sativa 'Black Madras' 18
Oryza sativa 'Red Dragon' 4
Osbeckia crinita 1
Oscularia deltoides 10
Osmanthus 5
Osmanthus armatus 17
Osmanthus armatus 'Jim Porter' 11
Osmanthus ×burkwoodii 26
Osmanthus delavayi 12
Osmanthus ×fortunei 18
Osmanthus ×fortunei 'Carl Wheeler' 4
Osmanthus ×fortunei (entire leaf form) 9
Osmanthus ×fortunei 'Fruitlandii' 10
Osmanthus ×fortunei 'Mokusui' 4
Osmanthus ×fortunei 'San Jose' 5
Osmanthus ×fortunei 'UNC' 19
Osmanthus ×fortunei (yellow splash) 1
Osmanthus fragrans 32
Osmanthus fragrans f. aurantiacus 24
Osmanthus fragrans var. aurantiacus 5
Osmanthus fragrans f. aurantiacus 'Apricot Echo' 11
Osmanthus fragrans f. aurantiacus 'Apricot Gold' 11
Osmanthus fragrans var. aurantiacus 'Beni Kin Mokusei' 5
Osmanthus fragrans f. aurantiacus 'Butter Yellow' 5
Osmanthus fragrans f. aurantiacus 'Conger Yellow' 11
Osmanthus fragrans f. aurantiacus 'Live Oak Gold' 9
Osmanthus fragrans f. aurantiacus 'Orange Supreme' 16
Osmanthus fragrans 'Da Hong Zhu Sha Gui' 6
Osmanthus fragrans 'Fudingzhu' 6
Osmanthus fragrans 'Qiannan Guifei' 19
Osmanthus fragrans var. thunbergii 10
Osmanthus fragrans 'Tianxiang Taige' 7
Osmanthus fragrans (variegated) 3
Osmanthus fragrans (yellow mottled) 2
Osmanthus fragrans 'Yinbi Shuanghui' 4
Osmanthus fragrans 'Zao Hong Don Gui' 4
Osmanthus heterophyllus 11
Osmanthus heterophyllus (#2) 7
Osmanthus heterophyllus 'Akebono' 7
Osmanthus heterophyllus 'All Gold' 2
Osmanthus heterophyllus 'Fastigiata' 1
Osmanthus heterophyllus 'Goshiki' 28
Osmanthus heterophyllus 'Gulftide' 2
Osmanthus heterophyllus 'Hamakita Shirofu' 13
Osmanthus heterophyllus 'Hariyama' 5
Osmanthus heterophyllus 'Head-Lee Fastigiate' 14
Osmanthus heterophyllus 'Kaori Hime' 11
Osmanthus heterophyllus 'Kembu' 12
Osmanthus heterophyllus (New 'Rotundifolius') 5
Osmanthus heterophyllus 'Ogon' 13
Osmanthus heterophyllus 'Purpureus' 15
Osmanthus heterophyllus 'Rotundifolius' 7
Osmanthus heterophyllus 'Sasaba' 15
Osmanthus heterophyllus 'Shien' 8
Osmanthus heterophyllus (upright 'Sasaba') 9
Osmanthus heterophyllus 'Variegatus' 7
Osmanthus serrulatus 2
Osmanthus suavis 1
Osmanthus yunnanensis 7
Osmunda 4
Osmunda cinnamomea 8
Osmunda japonica 7
Osmunda regalis 9
Osteomeles schwerinae 15
Osteospermum 22
Osteospermum ecklonis 2
Osteospermum ecklonis 'Akkalav' 1
Osteospermum ecklonis 'Pas857289' 5
Osteospermum 'Iringa' 1
Osteospermum 'Orange Terracotta' 2
Osteospermum 'Tambero' 1
Osteospermum 'White Pim' 3
Ostrya japonica 11
Ostrya virginiana 13
Othonna capensis 5
Ourisia coccinea 3
Ourisia macrophylla 3
Oxalis 21
Oxalis adenophylla 11
Oxalis arenaria 2
Oxalis bowiei 14
Oxalis brasiliensis 17
Oxalis crassipes 'Cherry Spritzer' 1
Oxalis fabaefolia 5
Oxalis griffithii 2
Oxalis lasiandra 6
Oxalis obtusa 4
Oxalis oregana 14
Oxalis palmifrons 3
Oxalis pes-caprae 8
Oxalis purpurea 4
Oxalis regnellii 4
Oxalis regnellii 'Fanny' 13
Oxalis regnellii 'Irish Mist' 11
Oxalis spiralis subsp. vulcanicola 'Zinfandel' 2
Oxalis squamata 6
Oxalis tetraphylla 1
Oxalis tetraphylla 'Iron Cross' 15
Oxalis triangularis 7
Oxalis triangularis 'Mijke' 29
Oxalis triangularis subsp. papilionacea 28
Oxalis versicolor 2
Oxalis violacea 6
Oxalis violacea (A11NC-081) 2
Oxydendrum 1
Oxydendrum arboreum 35
Oxydendrum arboreum 'Spiral Twist' 1
Oxyria digyna 3
Oxytropis lambertii 7
Oxytropis podocarpa 5
Oxytropis sericea 12
Oxytropis splendens 3
Oxytropis viscida 4
Ozothamnus 5
Ozothamnus 'County Park Silver' 1
Ozothamnus 'Western Hills' 3
Pachira aquatica 5
Pachycereus pringlei 3
Pachycereus weberi 4
Pachysandra 2
Pachysandra axillaris subsp. stylosa 7
Pachysandra procumbens 35
Pachysandra procumbens 'Angola' 3
Pachysandra terminalis 26
Pachysandra terminalis 'Akebono' 1
Pachysandra terminalis 'Crystal' 2
Pachysandra terminalis 'Cutleaf' 3
Pachysandra terminalis 'Green Carpet' 2
Pachysandra terminalis 'Green Sheen' 5
Pachysandra terminalis 'Hakurei' 2
Pachysandra terminalis 'Kingswood' 1
Pachysandra terminalis 'Variegata' 2
Pachystachys lutea 6
Pachystegia insignis 11
Pachystegia rufa 2
Packera anonyma 4
Packera aurea 7
Packera bolanderi var. bolanderi 6
Packera bolanderi var. harfordii 7
Packera cana 2
Packera crocata 1
Packera dimorphophylla 2
Packera fendleri 7
Packera macounii 4
Packera werneriifolia 4
Paederia scandens 1
Paeonia 63
Paeonia 'Amalia Olson' 10
Paeonia 'Angel Cheeks' 5
Paeonia 'Armani' 3
Paeonia 'Bartzella' 6
Paeonia 'Bernice Carr' 1
Paeonia 'Big Ben' 2
Paeonia 'Border Charm' 3
Paeonia broteri 3
Paeonia ×chamaeleon 1
Paeonia 'Cora Louise' 17
Paeonia 'Coral Charm' 20
Paeonia 'Coral 'n Gold' 18
Paeonia 'Coral Sunset' 6
Paeonia 'Cytherea' 11
Paeonia delavayi 4
Paeonia 'Do Tell' 14
Paeonia 'Early Scout' 4
Paeonia 'Eliza Lundy' 6
Paeonia 'Fairfield' 7
Paeonia 'First Arrival' 2
Paeonia 'Flame' 1
Paeonia 'Garden Lace' 17
Paeonia 'Garden Treasure' 14
Paeonia 'Hillary' 15
Paeonia 'Honor' 10
Paeonia japonica 2
Paeonia 'Julia Rose' 2
Paeonia 'Krinkled White' 10
Paeonia lactiflora 7
Paeonia lactiflora 'Bowl of Beauty' 2
Paeonia lactiflora 'Festiva Maxima' 6
Paeonia lactiflora 'Flame' 1
Paeonia lactiflora 'Gold Rush' 1
Paeonia lactiflora 'Karl Rosenfield' 2
Paeonia lactiflora (variegated) 3
Paeonia ludlowii 6
Paeonia lutea 2
Paeonia 'Mahogany' 7
Paeonia 'Miss America' 16
Paeonia mlokosewitschii 12
Paeonia 'Mons Jules Eli' 1
Paeonia 'Mother's Choice' 2
Paeonia 'Nice Gal' 10
Paeonia obovata 7
Paeonia obovata var. japonica (green veins) 2
Paeonia obovata (margined 1) 1
Paeonia obovata (margined 2) 3
Paeonia obovata subsp. obovata 5
Paeonia obovata (white flower) 2
Paeonia officinalis 2
Paeonia ostii 'Feng Dan Bai' 21
Paeonia 'Paladin' 1
Paeonia 'Paul M. Wild' 7
Paeonia peregrina 2
Paeonia 'Pink Double Dandy' 16
Paeonia 'Pink Hawaiian Coral' 14
Paeonia 'Prairie Charm' 6
Paeonia 'Requiem' 13
Paeonia 'Rozella' 3
Paeonia 'Scarlett O'Hara' 10
Paeonia 'Seashell' 7
Paeonia 'Smith Opus 2' 13
Paeonia 'Stellar Charm' 4
Paeonia suffruticosa 39
Paeonia suffruticosa 'Chojuragku' 2
Paeonia suffruticosa 'Hoki' 1
Paeonia suffruticosa 'Joseph Rock' 2
Paeonia suffruticosa 'Sahohine' 16
Paeonia suffruticosa 'Shima-nishiki' 10
Paeonia suffruticosa 'Shimadaijin' 15
Paeonia tenuifolia 4
Paeonia 'The Fawn' 10
Paeonia 'Topeka Garnet' 10
Paeonia 'Trafford W. Bigger' 16
Paeonia 'Urania' 9
Paeonia veitchii 4
Paeonia 'White Frost' 5
Paesia scaberula 19
Paliurus hemsleyanus 3
Paliurus spina-christi 2
Panax 2
Panax ginseng 5
Panax quinquefolius 6
Panax trifolius 8
Pancratium sickenbergeri 6
Pandanus 4
Pandanus odorifera 2
Pandanus tectorius 'Sanderi' 7
Pandanus utilis 2
Pandorea jasminoides 1
Panicum amarum 'Dewey Blue' 17
Panicum bulbosum 1
Panicum 'Cape Breeze' 8
Panicum 'Rr1' 3
Panicum virgatum 6
Panicum virgatum 'Badlands' 7
Panicum virgatum 'Cheyenne Sky' 3
Panicum virgatum 'Cloud Nine' 7
Panicum virgatum 'Dallas Blues' 3
Panicum virgatum 'Heavy Metal' 7
Panicum virgatum 'Northwind' 6
Panicum virgatum (PN16360) 2
Panicum virgatum 'Prairie Sky' 5
Panicum virgatum 6
Panicum virgatum 'Shenandoah' 7
Panicum virgatum 'Squaw' 1
Panicum virgatum 'Thundercloud' 11
Papaver 53
Papaver alboroseum 1
Papaver atlanticum 'Flora Plena' 4
Papaver nudicaule 12
Papaver orientale 12
Papaver pilosum 6
Papaver rhoeas 13
Papaver rupifragum 2
Papaver somniferum 42
Papaver somniferum [Paeoniiflorum Group] 'Black Paeony' 4
Paphiopedilum 2
Paradisea liliastrum 7
Parahebe perfoliata 7
Paramongaia weberbaueri 2
Parathelypteris beddomei 'Korean Traveler' 2
×Pardancanda norrisii 1
×Pardancanda norrisii 'Dazzler' 2
×Pardancanda norrisii 'Sangia' 3
×Pardancanda norrisii 'Vanilla Frost' 4
Pardanthopsis dichotoma 14
Parentucellia viscosa 3
Paris 9
Paris bockiana 2
Paris bockiana (A1TW-161) 2
Paris polyphylla 7
Paris polyphylla var. polyphylla 6
Paris polyphylla var. stenophylla 5
Paris quadrifolia 2
Paris thibetica 0
Paris verticillata 4
Parkinsonia praecox 5
Parmentiera cerifera 1
Parnassia caroliniana 8
Parochetus communis 3
Parodia concinna 2
Parodia erinacea 4
Parodia (hybrid) 14
Paronychia 2
Parrotia 2
Parrotia persica 33
Parrotia persica 'Burgundy' 10
Parrotia persica 'Chrishaven1' 11
Parrotia persica 'Lamplighter' 6
Parrotia persica 'Pendula' 11
Parrotia persica 'Persian Lace' 9
Parrotia subaequalis 29
Parrotiopsis jacquemontiana 39
Parthenocissus 7
Parthenocissus dalzielii 1
Parthenocissus henryana 17
Parthenocissus quinquefolia 11
Parthenocissus quinquefolia 'Monham' 4
Parthenocissus tricuspidata 19
Parthenocissus tricuspidata 'Fenway Park' 9
Parthenocissus tricuspidata 'Ginza Light' 1
Passiflora 10
Passiflora 'Amethyst' 3
Passiflora 16
Passiflora 'Blue Eyed Susan' 13
Passiflora caerulea 9
Passiflora citrina 14
Passiflora coccinea 3
Passiflora coriacea 1
Passiflora 'Elizabeth' 39
Passiflora gibertii 1
Passiflora incarnata 10
Passiflora incarnata 'Alba' 4
Passiflora incarnata (white form) 7
Passiflora 'Incense' 4
Passiflora 'Inspiration' 22
Passiflora 'Lady Margaret' 41
Passiflora lutea 2
Passiflora 'Monika Fischer' 43
Passiflora 'Pura Vida' 11
Passiflora 'Purple Haze' 34
Passiflora ×violacea 4
Patrinia 2
Patrinia scabiosifolia 5
Patrinia villosa 1
Paulownia 4
Paulownia elongata 6
Paulownia fortunei 2
Paulownia tomentosa 23
Pavonia brasiliensis 7
Pavonia lasiopetala 3
Paxistima canbyi 6
Paxistima myrsinites 3
Pecteilis radiata 2
Pectis angustifolia 9
Pedicularis bracteosa 5
Pedicularis canadensis 4
Pedicularis groenlandica 18
Pedicularis parryi 3
Pedicularis procera 4
Pedicularis scopulorum 5
Pedicularis scopulorum f. album 2
Pediocactus simpsonii 2
Pelargonium 127
Pelargonium 'A Happy Thought' 1
Pelargonium alchemilloides 3
Pelargonium 'Americana Dark Red' 6
Pelargonium 'Amri Trared' 16
Pelargonium 'Ardens' 5
Pelargonium caffrum 3
Pelargonium 'Cante Oran' 5
Pelargonium 'Charity' 2
Pelargonium 'Cope Scarfir' 11
Pelargonium 'Crystal Palace Gem' 3
Pelargonium cucullatum 'Flore Pleno' 2
Pelargonium 'Dainty Maid' 2
Pelargonium ×domesticum 16
Pelargonium ×domesticum 'Maiden Berry Swirl' 1
Pelargonium 'Duebezneo' 2
Pelargonium 'Duebezpin' 3
Pelargonium 'Dueblanko' 5
Pelargonium 'Dueferto' 6
Pelargonium 'Duemira' 6
Pelargonium 'Duesaoso' 7
Pelargonium 'Duesapi' 6
Pelargonium 'Duesapisi' 6
Pelargonium 'Duesarelre' 3
Pelargonium endlicherianum 6
Pelargonium 'Fipelmaspi' 6
Pelargonium fragrans (nutmeg) 2
Pelargonium gibbosum 2
Pelargonium graveolens 3
Pelargonium ×hortorum 65
Pelargonium ×hortorum 'Amri Whitsp09' 1
Pelargonium ×hortorum 'Wilhelm Langguth' 4
Pelargonium 'Kleip13342' 5
Pelargonium 'Kleip13347' 7
Pelargonium 'Kleip13348' 6
Pelargonium 'Kuegramerl' 3
Pelargonium 'Kuegraroli' 2
Pelargonium 'Kuegrarosal' 5
Pelargonium 'Manco' 1
Pelargonium 'Mini Karmine' 26
Pelargonium peltatum 8
Pelargonium 'Peqz0001' 5
Pelargonium 'Peqz0002' 10
Pelargonium 'Peqz0004' 5
Pelargonium quinquelobatum 1
Pelargonium 'Rembrandt' 1
Pelargonium reniforme 3
Pelargonium salmoneum 3
Pelargonium sidoides 32
Pelargonium [Stellar Group] 'Vancouver Centennial' 2
Pelargonium transvaalense 'African Princess' 15
Pelargonium 'Variegated Fragrans' 1
Pelargonium 'Wilhelm Langath' 1
Pellaea atropurpurea 1
Pellaea calomelanos 2
Pellaea ovata 2
Pellaea rotundifolia 2
Pellaea wrightiana 3
Peltandra 3
Peltandra virginica 2
Peltoboykinia watanabei 5
Pennantia baylisiana 2
Pennisetum 19
Pennisetum alopecuroides 'Cassain's Choice' 9
Pennisetum alopecuroides 'Little Bunny' 1
Pennisetum alopecuroides 'Moudry' 4
Pennisetum alopecuroides 'Piglet' 5
Pennisetum 'Black Stockings' 3
Pennisetum 'Burgundy Giant' 2
Pennisetum glaucum 'Copper Prince' 11
Pennisetum glaucum 'Jade Princess' 6
Pennisetum glaucum 'Purple Majesty' 18
Pennisetum orientale 'Tall Tails' 4
Pennisetum purpureum 'Prince' 14
Pennisetum purpureum 'Princess' 7
Pennisetum setaceum 3
Pennisetum setaceum 'Fireworks' 1
Pennisetum setaceum 'Rubrum' 6
Pennisetum setaceum 'Sky Rocket' 9
Pennisetum thunbergii 4
Pennisetum 'Tift 8' 10
Penstemon 62
Penstemon alamosensis 8
Penstemon ambiguus 2
Penstemon 'Arabesque Appleblossom' 8
Penstemon 'Arabesque Pink' 8
Penstemon 'Arabesque Red' 5
Penstemon 'Arabesque Violet' 7
Penstemon barbatus 14
Penstemon barbatus 'Elfin Pink' 1
Penstemon barbatus 'Novapenrub' 3
Penstemon brandegeei 2
Penstemon caespitosus 14
Penstemon canescens 5
Penstemon cardwellii 3
Penstemon 7
Penstemon cobaea var. cobaea 3
Penstemon cobaea var. purpureus 2
Penstemon 'Dark Towers' 2
Penstemon davidsonii 5
Penstemon digitalis 19
Penstemon digitalis 'Husker Red' 22
Penstemon dissectus 2
Penstemon 'Evelyn' 2
Penstemon 'Flock of Flamingos' 3
Penstemon grandiflorus 6
Penstemon 'Grape Taffy' 6
Penstemon hallii 18
Penstemon heterophyllus 2
Penstemon hirsutus 5
Penstemon hirsutus var. pygmaeus 2
Penstemon kunthii 9
Penstemon laevigatus 6
Penstemon ×mexicale 11
Penstemon 'Midnight' 3
Penstemon murrayanus 4
Penstemon 'Onyx and Pearls' 2
Penstemon palmeri 5
Penstemon pinifolius 11
Penstemon pinifolius 1
Penstemon pinifolius 'Mersea Yellow' 4
Penstemon 'Prairie Dusk' 3
Penstemon procerus 15
Penstemon pseudospectabilis 3
Penstemon ramaleyi 2
Penstemon richardsonii 3
Penstemon rostriflorus 7
Penstemon 'Schoenholzeri' 1
Penstemon smallii 1
Penstemon 'Sour Grapes' 1
Penstemon speciosus 5
Penstemon strictus 61
Penstemon strictus 'Bandera' 1
Penstemon tenuis 10
Penstemon 'Tnpendb' 12
Penstemon triflorus 12
Penstemon uintahensis 2
Penstemon unilateralis 6
Penstemon virens 14
Penstemon watsonii 6
Penstemon whippleanus 32
Pentagramma triangularis 1
Pentapetes phoenecium 9
Pentaphylax euryoides 4
Pentas 12
Pentas lanceolata 7
Pentas lanceolata 'Pas1096468' 7
Pentas lanceolata 'Pas1231189' 6
Pentas lanceolata 'Pas1284142' 5
Peperomia 10
Pereskia 5
Pereskia corrugata 2
Pericallis 1
Pericallis hybrida 8
Perilla 4
Perilla frutescens 3
Perilla frutescens var. crispa 5
Perilla 'Magilla' 9
Perovskia 9
Perovskia atriplicifolia 9
Perovskia atriplicifolia 'CrazyBlue' 4
Perovskia atriplicifolia 'Lisslitt' 4
Perovskia atriplicifolia 'Taiga' 6
Perovskia 'Little Spire' 2
Perovskia 'Novaperlac' 6
Persea 3
Persea acuminatissima 3
Persea aff. acuminatissima (variegated) 1
Persea americana 4
Persea borbonia 12
Persea grijsii 5
Persea japonica 2
Persea leptophylla 3
Persea liebmannii 7
Persea pauhoi 2
Persicaria 3
Persicaria affinis 'Superba' 3
Persicaria amplexicaulis 'Firetail' 10
Persicaria amplexicaulis 'Golden Arrow' 2
Persicaria capitata 6
Persicaria microcephala 5
Persicaria microcephala 'Red Dragon' 15
Persicaria pensylvanica 1
Persicaria polymorpha 6
Persicaria virginiana 'Painter's Palette' 13
Petasites 10
Petasites fragrans 3
Petasites frigidus subsp. palmatus 4
Petasites japonicus 4
Petasites japonicus var. giganteus 8
Petasites japonicus var. giganteus 'Nishiki-buki' 3
Petasites japonicus var. giganteus 'Variegatus' 18
×Petchoa 'SAKPXC029' 1
×Petchoa 'SAKPXC033' 1
Petromarula pinnata 4
Petrosedum rupestre 3
Petrosedum rupestre 'Angelina' 15
Petrosedum rupestre 'Lemon Coral' 3
Petrosedum rupestre 'Nonal' 2
Petrosedum rupestre 'Nonen' 1
Petrosedum rupestre 'Noniw' 2
Petrosedum rupestre (red leaf form) 4
Petroselinum crispum 4
Petroselinum crispum var. neapolitanum 1
Petunia 177
Petunia ×atkinsiana 'Trilogy Purple' 2
Petunia 'Balcushink' 6
Petunia 'Balcushlu' 2
Petunia 'Balcushpar' 5
Petunia ×hybrida 7
Petunia 'INPETTIABL' 2
Petunia integrifolia 7
Petunia integrifolia 'Alba' 4
Petunia 'Pas1016992'' 5
Petunia 'Pas760717' 6
Petunia 'Pas933531' 6
Petunia 'Pas933583' 6
Petunia 'Pas933587' 7
Petunia 4
Petunia 'Ustun29801' 9
Petunia 'USTUN34803' 2
Petunia 'USTUNI6001' 11
Petunia 'Ustunj2401' 3
Peucedanum ostruthium 'Daphnis' 2
Peucedanum terebinthaceum var. terebinthaceum 6
Phacelia 3
Phacelia bipinnatifida 6
Phacelia dubia 7
Phacelia hastata 5
Phacelia heterophylla 2
Phacelia linearis 2
Phacelia sericea 13
Phaedranassa cinerea 2
Phaenosperma globosa 2
Phaius flavus 2
Phalaenopsis 14
Phalaris arundinacea var. picta 'Feesey' 2
Phaseolus 5
Phaseolus vulgaris 3
Phebalium squameum 'Illumination' 1
Phedimus 'Czar's Gold' 2
Phedimus kamtschaticus 17
Phedimus kamtschaticus 'Sweet and Sour' 1
Phedimus middendorffianus 'Yellow Diamonds' 2
Phedimus obtusifolius 3
Phedimus selskianus 'Goldilocks' 3
Phedimus spurious 'Voodoo' 2
Phedimus spurius 2
Phedimus spurius 'Dragon's Blood' 1
Phedimus spurius 'Fuldaglut' 4
Phedimus spurius 'John Creech' 2
Phedimus spurius 'Moonshine' 1
Phedimus stolonifer 3
Phegopteris decursive-pinnata 2
Phegopteris hexagonoptera 3
Phellodendron 1
Phellodendron amurense 11
Phemeranthus calycinus 7
Philadelphus 31
Philadelphus 'Belle Etoile' 13
Philadelphus 'Bouquet Blanc' 8
Philadelphus brachybotrys 3
Philadelphus californicus 'Marjorie Schmidt' 6
Philadelphus coronarius 'Aureus' 30
Philadelphus coronarius 'Variegatus' 3
Philadelphus delavayi 2
Philadelphus 'Galahad' 3
Philadelphus 'Innocence' 11
Philadelphus lewisii 4
Philadelphus lewisii 'Mt. Tahoma' 9
Philadelphus 'Manteau d'Hermine' 9
Philadelphus mearnsii 3
Philadelphus mexicanus 'Aureus' 3
Philadelphus 'Minnesota Snowflake' 1
Philadelphus 'Natchez' 5
Philadelphus 'Polar Star' 13
Philadelphus satsumi 1
Philadelphus scaber 15
Philadelphus schrenkii 16
Philadelphus 'Silberregen' 4
Philadelphus 'Snow Velvet' 8
Philadelphus 'Snowwhite Fantasy' 5
Philadelphus tomentosus 1
Philesia magellanica 1
Philibertia gilliesii 1
Philodendron 9
Philodendron bipinnatifidum 24
Philodendron 'Black Cardinal' 1
Philodendron 'Hope' 3
Philodendron warscewiczii 1
Philodendron xanadu 3
Phlebodium aureum 'Glaucum' 1
Phlebodium pseudoaureum 4
Phlomis 9
Phlomis aurea 1
Phlomis cashmeriana 7
Phlomis compacta 0
Phlomis crinita 2
Phlomis 'Edward Bowles' 2
Phlomis fruticosa 36
Phlomis grandiflora 8
Phlomis herba-venti 7
Phlomis herba-venti subsp. pungens 2
Phlomis italica 7
Phlomis lanata 'Pygmy' 2
Phlomis 'Lloyd's Variety' 2
Phlomis longifolia 3
Phlomis lychnitis 11
Phlomis purpurea 2
Phlomis russeliana 10
Phlomis samia 2
Phlomis tuberosa 4
Phlomoides maximowiczii 29
Phlomoides pratensis 7
Phlox 81
Phlox 'Amethyst Pearl' 15
Phlox 'Barphlopanearpur' 6
Phlox 'Bedazzled Lavender' 2
Phlox bifida 'Betty Blake' 9
Phlox brittonii 1
Phlox carolina subsp. angusta 1
Phlox carolina 'Kim' 2
Phlox carolina 'Lil' Cahaba' 3
Phlox condensata 22
Phlox divaricata 17
Phlox divaricata 'Blue Moon' 1
Phlox divaricata 'Charleston Pink' 2
Phlox divaricata 'Clouds of Perfume' 4
Phlox divaricata 'Mary Helen' 1
Phlox divaricata 'May Breeze' 2
Phlox divaricata 'Montrose Tricolor' 3
Phlox douglasii 'Blue Eye' 3
Phlox douglasii 'Crater Lake' 10
Phlox drummondii 5
Phlox drummondii 'Phlox of Sheep' 3
Phlox 'Eco Flirty Eyes' 1
Phlox glaberrima subsp. triflora 1
Phlox hoodii 6
Phlox 'Kazi14826' 7
Phlox longifolia 9
Phlox maculata 'Natascha' 1
Phlox 'Miss Wilma' 2
Phlox 7
Phlox multiflora 17
Phlox nana 'Mary Maslin' 1
Phlox nivalis 'Camla' 39
Phlox nivalis (near white) 8
Phlox nivalis (pale pink) 1
Phlox 'Ochsen Blut' 2
Phlox 'Opening Act White' 6
Phlox paniculata 38
Phlox paniculata 'Balsukalu' 1
Phlox paniculata 'Barfourteen' 8
Phlox paniculata 'Becky Towe' 1
Phlox paniculata 'David' 2
Phlox paniculata 'David's Lavender' 5
Phlox paniculata 'Delta Snow' 17
Phlox paniculata 9
Phlox paniculata 5
Phlox paniculata 10
Phlox paniculata 17
Phlox paniculata 'Glamour Girl' 4
Phlox paniculata 'John Fanick' 27
Phlox paniculata 'Nicky' 6
Phlox paniculata 'Norah Leigh' 7
Phlox paniculata 'Red Flame' 8
Phlox paniculata 'Robert Poore' 7
Phlox paniculata 'Shockwave' 8
Phlox paniculata 'Windsor' 1
Phlox pilosa 49
Phlox pilosa (dwarf form) 9
Phlox pilosa 'Eco Happy Traveler' 2
Phlox pilosa 'Forest Frost' 8
Phlox pilosa 'Lavender Cloud' 3
Phlox 'Sileniflora' 20
Phlox stolonifera 3
Phlox stolonifera 'Sherwood Purple' 1
Phlox stolonifera 5
Phlox stolonifera 'Weesie Smith' 10
Phlox subulata 25
Phlox subulata 'Amazing Grace' 2
Phlox subulata 'Candy Stripe' 3
Phlox subulata 'Emerald Blue' 18
Phlox subulata 'Herbert' 14
Phlox subulata 'Oakington Blue Eyes' 4
Phlox subulata 'Pink Buttons' 1
Phlox subulata 'Rosea' 2
Phlox subulata 'Snowflake' 1
Phlox subulata 'Spring Dark Pink' 1
Phlox subulata 'Spring Purple' 1
Phlox subulata 'Temiskaming' 2
Phlox subulata 'Vivian's White Blanket' 8
Phlox subulata 'White Delight' 1
Phlox 6
Phlox 'Wanda' 6
Phoebe 7
Phoebe bournei 2
Phoebe chekiangensis 5
Phoebe forrestii 1
Phoebe sheareri 7
Phoebe zennan 1
Phoenix 5
Phoenix canariensis 26
Phoenix dactylifera 56
Phoenix hanceana 1
Phoenix pusilla 1
Phoenix roebelenii 2
Phoenix sylvestris 2
Phoradendron leucarpum 9
Phormium 40
Phormium 'Allison Blackmon' 1
Phormium colensoi 7
Phormium cookianum subsp. hookeri 'Tricolor' 1
Phormium 'Dark Delight' 1
Phormium 'Evening Glow' 2
Phormium 'Flamingo' 1
Phormium 'Golden Ray' 1
Phormium 'Jester' 2
Phormium 'Licorice & Lime' 2
Phormium 'Pink Stripe' 3
Phormium 'Rubrum' 2
Phormium tenax 19
Phormium tenax 'Aohanga' 1
Phormium tenax 'Atropurpureum' 1
Phormium tenax 'Goliath' 2
Phormium 'Wildwood' 1
Photinia 26
Photinia amphidoxa 8
Photinia beauverdiana 7
Photinia bodinieri var. bodinieri 1
Photinia davidiana 3
Photinia davidiana (dwarf 'Rogue' form) 1
Photinia davidiana var. undulata 'Prostrata' 1
Photinia formosana 1
Photinia ×fraseri 8
Photinia ×fraseri 'Cassini' 10
Photinia glabra 3
Photinia niitakayamensis 3
Photinia prionophylla 2
Photinia schneideriana var. parviflora 3
Photinia serratifolia 13
Photinia serratifolia 'Green Giant' 12
Photinia villosa 1
Photinia villosa 'Village Shade' 12
Phragmipedium memoria 'Dick Clements' 1
Phuopsis stylosa 6
Phygelius 2
Phygelius aequalis 6
Phygelius aequalis 'Yellow Trumpet' 2
Phygelius capensis 6
Phygelius 'Cherry Ripe' 1
Phygelius 'Cropurpri' 1
Phygelius 'Lemon Spritzer' 10
Phygelius ×rectus 'African Queen' 1
Phygelius ×rectus 'Devil's Tears' 7
Phygelius ×rectus 'Moonraker' 11
Phyla nodiflora 2
Phylica pubescens 7
Phyllocladus 2
Phyllocladus alpinus 2
Phyllocladus cf. alpinus 4
Phyllocladus aspleniifolius 7
Phyllocladus toatoa 1
Phyllocladus trichomanoides 3
Phyllostachys 45
Phyllostachys aurea 4
Phyllostachys edulis 'Heterocycla' 2
Phyllostachys edulis 'Nabeshimana' 3
Phyllostachys nigra 24
Phyllostachys nigra f. henonis 1
Phyllostachys pubescens 15
Phymosia umbellata 3
Physalis hederifolia 2
Physaria alpina 11
Physaria arizonica 24
Physaria didymocarpa 2
Physaria floribunda 8
Physaria rectipes 5
Physocarpus 1
Physocarpus capitatus 4
Physocarpus malvaceus 1
Physocarpus opulifolius 2
Physocarpus opulifolius 'Bert Darts G' 3
Physocarpus opulifolius 'Dart's Gold' 2
Physocarpus opulifolius 'Donna May' 7
Physocarpus opulifolius 'Jefam' 2
Physocarpus opulifolius 'Mindia' 5
Physocarpus opulifolius 'Monlo' 19
Physocarpus opulifolius 'Nanus' 4
Physocarpus opulifolius 'Nugget' 2
Physocarpus opulifolius 'Select' 3
Physocarpus opulifolius 'Seward' 12
Physoplexis comosa 4
Physostegia virginiana 6
Physostegia virginiana 'Pink Manners' 2
Physostegia virginiana subsp. speciosa 'Variegata' 1
Physostegia virginiana 'Summer Snow' 3
Physostegia virginiana 'Vivid' 3
Physotegia virginiana 'Alba' 1
Phytolacca 2
Phytolacca acinosa 1
Phytolacca americana 3
Phytolacca americana 'Sunny Side Up' 1
Phytolacca americana 'Variegata' 1
Phytolacca americana (variegated) 1
Phytolacca bogotensis 1
Phytolacca clavigera 5
Phytolacca dioica 7
Phytolacca japonica 4
Picea 97
Picea abies 25
Picea abies 'Acrocona' 4
Picea abies 'Aurea Magnifica' 1
Picea abies 'Brevifolia' 1
Picea abies 'Clanbrassiliana Stricta' 3
Picea abies 'Cobra' 4
Picea abies 'Compacta Asselyn' 4
Picea abies 'Conica' 1
Picea abies 'Cruenta' 5
Picea abies 'Crusita' 3
Picea abies 'Cupressina' 5
Picea abies 'Dandylion' 1
Picea abies 'Dan's Dwarf' 1
Picea abies 'Elegantissima' 3
Picea abies 'Fritsche' 4
Picea abies 'Frohburg' 2
Picea abies 'Hasin' 2
Picea abies 'Hildburghausen' 5
Picea abies 'Humilis' 2
Picea abies 'Inversa' 5
Picea abies 'Jessy' 1
Picea abies 'Little Gem' 11
Picea abies 'Malena' 3
Picea abies 'Maxwellii' 5
Picea abies 'Merkii' 2
Picea abies 'Merrell's Broom' 5
Picea abies 'Mikulasovice' 2
Picea abies 'Nidiformis' 4
Picea abies f. pendula 19
Picea abies 'Pendula' 3
Picea abies 'Perry's Gold' 7
Picea abies 'Pumila' 3
Picea abies 'Pusch' 4
Picea abies 'Pygmaea' 4
Picea abies 'Pyramidata' 1
Picea abies 'Reflexa' 6
Picea abies 'Repens' 3
Picea abies 'Tompa' 2
Picea abies 'Vermont Gold' 1
Picea abies 'Virgata' 6
Picea abies 'Wingle's Weeping' 2
Picea asperata 1
Picea bicolor 2
Picea bicolor 'Prostrata' 4
Picea brachytyla 2
Picea breweriana 17
Picea breweriana 'Wüstemeyer' 1
Picea chihuahuana 2
Picea engelmannii 3
Picea engelmannii 'Bush's Lace' 4
Picea glauca 29
Picea glauca var. albertiana 6
Picea glauca var. albertiana 'Albertiana Conica' 13
Picea glauca var. albertiana 'Gnome' 1
Picea glauca var. albertiana 'Pixie' 1
Picea glauca var. albertiana 'Rainbow's End' 1
Picea glauca var. albertiana 'Sander's Blue' 1
Picea glauca 'Big Berta' 8
Picea glauca 'Burning Well' 2
Picea glauca 'Cy's Wonder' 4
Picea glauca 'Delp's Dwarf' 3
Picea glauca 'Echiniformis' 2
Picea glauca 'Gold Tip' 4
Picea glauca 'J.W. Daisy's White' 3
Picea glauca 'Jean's Dilly' 2
Picea glauca 'Little Tim' 2
Picea glauca 'Mac Gold' 2
Picea glauca 'Pendula' 6
Picea glauca 'Pixie Dust' 3
Picea glauca 'Spruce Lane' 2
Picea glauca 'Westervelt' 1
Picea glauca 'Zuckerhut' 2
Picea glehnii 1
Picea jezoensis 2
Picea jezoensis 'Chitosemaru' 2
Picea likiangensis var. montigena 7
Picea mariana 'Aureovariegata' 4
Picea mariana 'Blauhiken' 3
Picea mariana 'Doumettii' 1
Picea mariana 'Ericoides' 1
Picea mariana 'Horstmann's Dwarf' 2
Picea mariana 'Nana' 3
Picea martinezii 5
Picea maximowiczii 4
Picea meyeri 3
Picea morrisonicola 9
Picea omorika 6
Picea omorika 'Berliner's Weeper' 1
Picea omorika 'Kuck's Weeping' 4
Picea omorika 'Nana' 5
Picea omorika 'Osmaston No. 1' 2
Picea omorika 'Pendula' 2
Picea omorika 'Pendula Bruns' 3
Picea orientalis 8
Picea orientalis 'Aurea' 6
Picea orientalis 'Gowdy' 2
Picea orientalis 'Lemon Drop' 1
Picea orientalis 'Nana' 4
Picea orientalis 'Nigra Compacta' 6
Picea orientalis 'Shadow's Broom' 3
Picea orientalis 'Skylands' 12
Picea orientalis 'Tom Thumb' 1
Picea pungens 60
Picea pungens 'Baby Blue Eyes' 1
Picea pungens 'Blue Pearl' 1
Picea pungens 'C. Blue' 2
Picea pungens 'Fastigiata' 1
Picea pungens 'Fat Albert' 2
Picea pungens 'Gebelle's' 10
Picea pungens 'Gentry's Gem' 4
Picea pungens var. glauca 24
Picea pungens 'Glauca Globosa' 5
Picea pungens 'Glauca Prostrata' 3
Picea pungens 'Green Spire' 1
Picea pungens 'Hoopsii' 32
Picea pungens 'Iseli Fastigiate' 3
Picea pungens 'Iseli Foxtail' 4
Picea pungens 'Maigold' 1
Picea pungens 'Mission Blue' 3
Picea pungens 'Montgomery' 3
Picea pungens 'Omega' 1
Picea pungens 'Pali' 3
Picea pungens 'Prostrata' 4
Picea pungens 'St. Mary's Broom' 4
Picea pungens 'Straw' 4
Picea pungens 'Thuem' 8
Picea pungens 'Walnut Glen' 1
Picea rubens 'Hb' 1
Picea sitchensis 6
Picea sitchensis 'Papoose' 3
Picea smithiana 'Skardu' 1
Picea torano 11
Picea wilsonii 3
Pieris 32
Pieris 'Brouwer's Beauty' 1
Pieris 'Flaming Silver' 1
Pieris floribunda 14
Pieris formosa 2
Pieris formosa var. forrestii 4
Pieris formosa var. forrestii 'Wakehurst' 2
Pieris japonica 24
Pieris japonica Amamiana Group 2
Pieris japonica 'Bisbee Dwarf' 2
Pieris japonica 'Christmas Cheer' 4
Pieris japonica 'Compacta' 1
Pieris japonica 'Conrabideau' 5
Pieris japonica 'Crispa' 3
Pieris japonica 'Debutante' 5
Pieris japonica 'Dorothy Wyckoff' 2
Pieris japonica 'Farrowpjrf' 3
Pieris japonica 'Grayswood' 1
Pieris japonica 'Little Heath' 2
Pieris japonica 'Little Heath Green' 1
Pieris japonica 'Mountain Fire' 1
Pieris japonica 'Planow' 1
Pieris japonica Polita Group 16
Pieris japonica 'Pygmaea' 13
Pieris japonica 'Red Mill' 5
Pieris japonica 'Sarabande' 3
Pieris japonica 'Scarlett O'Hara' 3
Pieris japonica 'Shojo' 32
Pieris japonica 'Silver Sword' 1
Pieris japonica 'Valley Rose' 6
Pieris japonica 'Variegata' 10
Pieris japonica var. yakushimensis 'Cavatine' 6
Pieris japonica var. yakushimensis 'Nocturne' 3
Pieris 'Karenoma' 10
Pieris multifida 13
Pieris phillyreifolia 12
Pieris taiwanensis 8
Pilea cadierei 1
Pileostegia viburnoides 1
Pileostegia viburnoides var. viburnoides 3
Pilgerodendron uviferum 6
Pilosella tardans 2
Pimelea 'Deep Dream' 2
Pimelea longifolia 2
Pimelea prostrata 4
Pimpinella major 'Rosea' 4
Pinckneya pubens 6
Pinckneya pubens 'Larry's Party Pinckneya' 4
Pinckneya pubens 'May's Pink' 5
Pinckneya pubens 'Precocious' 4
Pinellia cordata 7
Pinellia peltata 2
Pinellia tripartita 10
Pinellia tripartita 'Atropurpurea' 4
Pinguicula 3
Pinguicula caerulea 10
Pinguicula macroceras 5
Pinguicula pumila 15
Pinus 377
Pinus albicaulis 1
Pinus aristata 11
Pinus aristata 'Formal Form' 4
Pinus armandii 2
Pinus armandii var. mastersiana 8
Pinus attenuata 2
Pinus ayacahuite 5
Pinus banksiana 3
Pinus bungeana 49
Pinus bungeana 'Great Wall' 3
Pinus caribaea 1
Pinus cembra 7
Pinus cembra 'Algonquin Pillar' 6
Pinus cembra 'Chalet' 3
Pinus cembra 'Glauca Nana' 3
Pinus cembra 'Short Stuff' 1
Pinus cembra 'Silver Sheen' 3
Pinus cembroides 1
Pinus cembroides 'Pina Nevada' 5
Pinus contorta 19
Pinus contorta var. contorta 1
Pinus contorta var. latifolia 1
Pinus contorta var. latifolia 'Chief Joseph' 2
Pinus contorta 'Taylor's Sunburst' 3
Pinus densiflora 4
Pinus densiflora 'Burke's Red Variegated' 14
Pinus densiflora 'Cesarini's Variegated' 2
Pinus densiflora 'Golden Ghost' 11
Pinus densiflora 'Green Diamond' 7
Pinus densiflora 'Low Glow' 8
Pinus densiflora 'Oculus-draconis' 31
Pinus densiflora 'Pendula' 10
Pinus densiflora 'Tanyosho Special' 8
Pinus densiflora 'Umbraculifera' 14
Pinus densiflora 'Vibrant' 18
Pinus ×densithunbergii 'Beni Kujaku' 5
Pinus devoniana 8
Pinus 'Domingo' 6
Pinus echinata 1
Pinus edulis 12
Pinus eldarica 4
Pinus engelmannii 7
Pinus flexilis 5
Pinus flexilis 'Extra Blue' 2
Pinus flexilis 'Glauca' 1
Pinus flexilis 'Kinzie Rose' 2
Pinus flexilis 'Millcreek' 2
Pinus flexilis 'Nicelam' 2
Pinus flexilis 'Vanderwolf's Pyramid' 2
Pinus glabra 3
Pinus greggii 5
Pinus griffithii 2
Pinus halepensis 5
Pinus hartwegii 6
Pinus heldreichii 3
Pinus heldreichii var. leucodermis 'Compact Gem' 3
Pinus heldreichii var. leucodermis 'Green Bun' 1
Pinus heldreichii var. leucodermis 'Satellit' 1
Pinus heldreichii 'Mint Truffle' 3
Pinus heldreichii 'Smidtii' 5
Pinus heldreichii 'Zwerg Schneverdingen' 1
Pinus 'Jane Kluis' 1
Pinus jeffreyi 4
Pinus kesiya 2
Pinus koraiensis 1
Pinus koraiensis 'Compacta Glauca' 2
Pinus koraiensis 'Dragon Eye' 5
Pinus koraiensis 'Jack Corbit' 4
Pinus koraiensis 'Nana' 7
Pinus koraiensis 'Silveray' 1
Pinus kwangtungensis 19
Pinus lambertiana 2
Pinus leucodermis 5
Pinus leucodermis 'Beran Conica' 5
Pinus leucodermis 'Emerald Arrow' 5
Pinus leucodermis 'Green Bun' 1
Pinus leucodermis 'Zwerg Schneverdingen' 3
Pinus longaeva 46
Pinus massoniana 7
Pinus maximartinezii 2
Pinus monophylla 11
Pinus monophylla 'Blue Jazz' 2
Pinus montezumae 6
Pinus monticola 20
Pinus monticola 'Pendula' 1
Pinus morrisonicola 9
Pinus mugo 8
Pinus mugo 'Aurea' 3
Pinus mugo 'Columnaris' 4
Pinus mugo 'Green Candle' 1
Pinus mugo 'Michelle' 1
Pinus mugo 'Mitsch Mini' 2
Pinus mugo 'Mops' 1
Pinus mugo 'Piggelmee' 4
Pinus mugo Pumilio Group 2
Pinus mugo 'Sherwood Compact' 1
Pinus mugo 'Tannenbaum' 1
Pinus mugo 'Valley Cushion' 1
Pinus muricata 1
Pinus nigra 11
Pinus nigra 'Arnold Sentinel' 3
Pinus nigra 'Black Prince' 3
Pinus nigra 'Frank' 2
Pinus nigra 'Hornibrookiana' 3
Pinus nigra 'Komet' 10
Pinus nigra 'Oregon Green' 1
Pinus nigra 'Pierrick Bregeon' 7
Pinus nigra subsp. salzmannii 3
Pinus nigra 'Vasula' (witch's broom) 2
Pinus oocarpa 2
Pinus palustris 89
Pinus parviflora 7
Pinus parviflora 'Adcock's Dwarf' 5
Pinus parviflora 'Aoi' 8
Pinus parviflora 'Bonsai' 1
Pinus parviflora 'Brevifolia' 25
Pinus parviflora 'Cleary' 1
Pinus parviflora 'Fukuzumi' 1
Pinus parviflora 'Gimborn's Ideal' 3
Pinus parviflora 'Glauca' 5
Pinus parviflora 'Kin-po' 1
Pinus parviflora 'Miyajima' 1
Pinus parviflora 'Ogon Janome' 3
Pinus parviflora 'Ogon Miyajima' 1
Pinus parviflora 'Tanima-no-yuki' 4
Pinus parviflora 'Venus' 8
Pinus patula 5
Pinus peuce 2
Pinus pinaster 7
Pinus pinceana 3
Pinus pinea 10
Pinus ponderosa 18
Pinus pseudostrobus 4
Pinus pumila 'Glauca' 4
Pinus pungens 8
Pinus radiata 6
Pinus resinosa 1
Pinus resinosa 'Don Smith' 1
Pinus resinosa 'Morel' 2
Pinus rigida 'Sherman Eddy' 1
Pinus roxburghii 2
Pinus sabiniana 2
Pinus ×schwerinii 'Wiethorst' 3
Pinus serotina 7
Pinus strobiformis 1
Pinus strobiformis 'Foxtail' 5
Pinus strobus 53
Pinus strobus 'Beran' 6
Pinus strobus 'Blue Shag' 1
Pinus strobus 'Dove's Dwarf' 1
Pinus strobus 'Fastigiata' 6
Pinus strobus 'Golden Candles' 1
Pinus strobus 'Horsford' 1
Pinus strobus 'Kruger's Lilliput' 1
Pinus strobus 'Laird's Broom' 3
Pinus strobus 'Macopin' 2
Pinus strobus 'Mary Sweeny' 3
Pinus strobus 'Mini Twists' 2
Pinus strobus f. nana 17
Pinus strobus 'Niagara Falls' 7
Pinus strobus 'Pendula' 28
Pinus strobus 'Sea Urchin' 2
Pinus strobus 'Squiggles' 6
Pinus strobus 'Tiny Kurls' 5
Pinus strobus 'Torulosa' 17
Pinus strobus 'Vercurve' 2
Pinus strobus 'Wiggles' 4
Pinus sylvestris 12
Pinus sylvestris 'Albyns' 2
Pinus sylvestris 'Aurea' 5
Pinus sylvestris 'Edwin Hillier' 2
Pinus sylvestris 'Globosa Viridis' 3
Pinus sylvestris 'Gold Coin' 6
Pinus sylvestris 'Hillside Creeper' 1
Pinus sylvestris 'KBN Gold' 17
Pinus sylvestris 'Little Brolly' 1
Pinus sylvestris 'Nirbeth's Aurea' 2
Pinus tabuliformis 'Twisted Sister' 1
Pinus taeda 67
Pinus taeda 'Little Albert' 4
Pinus taeda NCSU Dwarf Group 102
Pinus taiwanensis 48
Pinus thunbergii 17
Pinus thunbergii 'Banshosho' 7
Pinus thunbergii var. corticosa 2
Pinus thunbergii 'Emery's Dwarf' 2
Pinus thunbergii 'Frosty Patches' 17
Pinus thunbergii 'Gyanome Goyo' 1
Pinus thunbergii 'Kotobuki' 7
Pinus thunbergii 'Oculus Draconis' 3
Pinus thunbergii 'Ogon' 1
Pinus thunbergii 'Sayonara' 11
Pinus thunbergii 'Shirome Janome' 3
Pinus thunbergii 'Suiken' 4
Pinus thunbergii 'Thunderhead' 18
Pinus torreyana 5
Pinus uncinata 'Caesar' 4
Pinus uncinata 'Hackman' 3
Pinus uncinata 'Hnijdo' 6
Pinus uncinata 'Silver Candles' 4
Pinus uncinata 'Zelenac' 2
Pinus virginiana 16
Pinus virginiana 'Driscoll' 5
Pinus virginiana 'Issaqueena' 1
Pinus virginiana 'Wate's Golden' 33
Pinus wallichiana 13
Pinus wallichiana 'Frosty' 3
Pinus wallichiana 'Zebrina' 34
Pinus yunnanensis 2
Piper 5
Piper auritum 14
Piper kadsura 4
Piper kadsura 'Pied Piper' 4
Piper nigrum 2
Piperia unalascensis 1
Pisonia grandis 2
Pistacia chinensis 21
Pistacia texansis 'Pecos Dwarf' 1
Pistia stratiotes 5
Pisum sativum 3
Pithecellobium flexicaule 2
Pittosporum 18
Pittosporum anomalum 1
Pittosporum bicolor 3
Pittosporum brevicalyx 'Golden Temple' 5
Pittosporum buchananii 2
Pittosporum cornifolium 3
Pittosporum crassifolium 'Variegatum' 2
Pittosporum dallii 4
Pittosporum daphniphylloides var. adaphniphylloides 2
Pittosporum eugenioides 4
Pittosporum eugenioides 'Variegated' 1
Pittosporum heterophyllum 4
Pittosporum heterophyllum 'Variegatum' 16
Pittosporum illicioides 33
Pittosporum illicioides var. angustifolium 4
Pittosporum illicioides 'Strappy' 6
Pittosporum obcordatum var. kaitaiensis 2
Pittosporum parvilimbum 12
Pittosporum patulum 3
Pittosporum pimeleoides 2
Pittosporum sahnianum 2
Pittosporum subulisepalum 2
Pittosporum tenuifolium 7
Pittosporum tenuifolium 'Deborah' 2
Pittosporum tenuifolium 'Garnettii' 5
Pittosporum tenuifolium 'Irene Paterson' 5
Pittosporum tenuifolium 'Mellow Yellow' 1
Pittosporum tenuifolium 'Purpureum' 3
Pittosporum tenuifolium 'Silver Queen' 1
Pittosporum tenuifolium 'Tandara Gold' 4
Pittosporum tenuifolium 'Tom Thumb' 12
Pittosporum tobira 26
Pittosporum tobira 'Kansai Sunburst' 11
Pittosporum tobira (Korean T03) 1
Pittosporum tobira 'Mountain of Snow' 2
Pittosporum tobira 'Shima' 1
Pittosporum tobira 'Spring Bouquet' 11
Pittosporum tobira 'Tall 'N Tough' 4
Pittosporum tobira 'Turner's Dwarf Variegated' 3
Pittosporum tobira 'Variegata' 1
Pittosporum tobira 'Wheeler's Dwarf' 7
Pittosporum truncatum 2
Pittosporum aff. truncatum 8
Pittosporum turneri 5
Pittosporum undulatifolium 5
Pityopsis graminifolia 7
Plagianthus regius 2
Plagiogyria matsumureana 1
Planera aquatica 13
Planera aquatica 'Falling Waters' 23
Plantago asiatica 1
Plantago major 'Atropurpurea' 1
Plantago major 'Rubrifolia' 4
Plantago major 'Variegata' 1
Plantago maritima 3
Platanthera aquilonis 2
Platanthera blephariglottis 7
Platanthera ciliaris 12
Platanthera dilatata 9
Platanus 70
Platanus ×hispanica 16
Platanus ×hispanica 'Columbia' 2
Platanus ×hispanica 'Suttneri' 31
Platanus lindeniana 6
Platanus mexicana 12
Platanus occidentalis 15
Platanus occidentalis 'Howard' 1
Platanus orientalis 15
Platanus orientalis f. digitata 8
Platycarya strobilacea 14
Platycerium 2
Platycerium bifurcatum 9
Platycladus 1
Platycladus orientalis 12
Platycladus orientalis 'Beverleyensis' 14
Platycladus orientalis 'Bonita' 2
Platycladus orientalis 'Conspicua' 3
Platycladus orientalis 'Elate Moraver' 4
Platycladus orientalis 'Filiformis Erecta' 1
Platycladus orientalis 'Franky Boy' 3
Platycladus orientalis 'Madurodam' 6
Platycladus orientalis 'Morgan' 5
Platycladus orientalis 'Southport' 2
Platycladus orientalis 'Van Hoey Smith' 11
Platycladus orientalis 'Westmont' 1
Platycodon 3
Platycodon grandiflorus 4
Platycodon grandiflorus 'Double Blue' 2
Platycodon grandiflorus 'Fuji White' 7
Platycodon grandiflorus 'Misato Purple' 3
Platycodon grandiflorus 'Uzukikyo' 1
Platycrater arguta 10
Platycrater arguta 'Kaeda' 6
Plectranthus 7
Plectranthus argentatus 5
Plectranthus hilliardiae 2
Plectranthus thyrsoideus 2
Plectritis congesta 6
Pleioblastus fortunei 2
Pleioblastus viridistriatus 2
Pleione 5
Pleione 'Bucklebury' 2
Pleione bulbocodioides 3
Pleione formosana Alba Group 2
Pleione (gold edge) 2
Pleione hookeriana 1
Pleione limprichtii 1
Pleiospilos nelii 2
Pleopeltis bombycina 'Morro dos Conventos' 4
Pleuranthodium hellwigii 1
Pluchea sericea 4
Plumbago 1
Plumbago auriculata 9
Plumbago scandens 2
Plumeria 6
Plumeria obtusa 4
Plumeria pudica 2
Plumeria rubra 1
Plumeria rubra f. acutifolia 3
Poa colensoi 2
Podachaenium eminens 2
Podanthus ovatifolius 2
Podocarpus 14
Podocarpus acutifolius 6
Podocarpus alpinus 8
Podocarpus chinensis 8
Podocarpus chingianus (upright Alabama form) 2
Podocarpus 'County Park Fire' 4
Podocarpus cunninghamii 2
Podocarpus elatus 1
Podocarpus forrestii 5
Podocarpus hallii 1
Podocarpus henkelii 8
Podocarpus latifolius 5
Podocarpus lawrencei 3
Podocarpus lawrencei 'Blue Gem' 1
Podocarpus lawrencei 'Purple King' 5
Podocarpus lawrencei 'Red Tip' 2
Podocarpus macrophyllus 16
Podocarpus macrophyllus 'Akame' 9
Podocarpus macrophyllus 'Aureus' 5
Podocarpus macrophyllus (dwarf) 1
Podocarpus macrophyllus (hardy form) 4
Podocarpus macrophyllus var. maki 8
Podocarpus macrophyllus var. maki 'Edgefield' 13
Podocarpus macrophyllus var. maki (ex. 'Edgefield') 4
Podocarpus macrophyllus var. maki 'Kinme' 15
Podocarpus macrophyllus 'Okina' 7
Podocarpus macrophyllus 'Pringle's Dwarf' 3
Podocarpus macrophyllus 'Sunshine Spire' 11
Podocarpus macrophyllus 'Uptight' 5
Podocarpus macrophyllus (variegated) 5
Podocarpus matudae 2
Podocarpus matudae var. reichei 2
Podocarpus nakaii 1
Podocarpus neriifolius 2
Podocarpus nivalis 1
Podocarpus nivalis 'Bronze' 2
Podocarpus 'Orangeade' 5
Podocarpus parlatorei 4
Podocarpus reichei 1
Podocarpus salignus 3
Podocarpus totara 9
Podocarpus totara 'Aureus' 4
Podocarpus totara 'Matapouri Blue' 4
Podocarpus totara 'Pendula' 2
Podocarpus 'Young Rusty' 2
Podophyllum 7
Podophyllum delavayi 15
Podophyllum delavayi × P. 'The Giant' 15
Podophyllum difforme 13
Podophyllum difforme (pattern selection) 1
Podophyllum difforme (PDN#01) 1
Podophyllum difforme (PDN#05) 1
Podophyllum difforme (PDN#07) 4
Podophyllum 'Galaxy' 1
Podophyllum hexandrum 7
Podophyllum 'Kaleidoscope' 4
Podophyllum mairei 1
Podophyllum peltatum 41
Podophyllum pleianthum 34
Podophyllum 'Spotty Dotty' 12
Podophyllum versipelle 5
Pogonia ophioglossoides 11
Pogonopus speciosus 1
Polanisia dodecandra 2
Polemonium 2
Polemonium caeruleum 3
Polemonium caeruleum 'Blanjou' 3
Polemonium confertum 29
Polemonium foliosissimum 10
Polemonium pulcherrimum var. delicatum 4
Polemonium reptans 7
Polemonium reptans 'Stairway to Heaven' 5
Polemonium viscosum 13
Polianthes ×bundrantii 10
Polianthes 'Chirp' 25
Polianthes howardii 9
Polianthes 'Sunset' 7
Polianthes tuberosa 7
Polianthes tuberosa 'Swarna Rekah' 3
Polianthes tuberosa 'The Pearl' 1
Polianthes tuberosa 'Yellow Baby' 3
Poliomintha bustamanta 13
Poliomintha longiflora 7
Poliothyrsis sinensis 35
Pollia japonica 9
Polygala 3
Polygala californica 5
Polygala chamaebuxus 2
Polygala chamaebuxus 'Rhodoptera' 1
Polygala cruciata 1
Polygala cymosa 3
Polygala fruticosa 2
Polygala hongkongensis 2
Polygala lutea 19
Polygonatum 27
Polygonatum arisanense 20
Polygonatum cf. arisanense 4
Polygonatum aff. arisanense 6
Polygonatum arisanense var. formosanum 8
Polygonatum biflorum 13
Polygonatum biflorum var. commutatum 3
Polygonatum biflorum 'Prince Charming' 5
Polygonatum cathcartii 1
Polygonatum cirrhifolium 1
Polygonatum cyrtonema 3
Polygonatum falcatum 1
Polygonatum falcatum 'Nippon Sunbeam' 1
Polygonatum falcatum 'Silver Stripe' 1
Polygonatum falcatum (streaked) 1
Polygonatum filipes 8
Polygonatum hirtum 6
Polygonatum hookeri 1
Polygonatum huanum (red veins) 1
Polygonatum huanum (variegated) 2
Polygonatum humile 4
Polygonatum humile 'Shiro Fu' 2
Polygonatum humile 'Shiro Shima' 2
Polygonatum ×hybridum 'Striatum' 4
Polygonatum involucratum 7
Polygonatum kingianum 3
Polygonatum kingianum (dark leaf) 1
Polygonatum kingianum var. kingianum 7
Polygonatum lasianthum 3
Polygonatum latifolium 2
Polygonatum macranthum 'Tiger Stripes' 10
Polygonatum mengtzense f. tonkinense 2
Polygonatum multiflorum 5
Polygonatum odoratum 7
Polygonatum odoratum 'Amadokoro' 1
Polygonatum odoratum 'Byakko' 10
Polygonatum odoratum 'Double Stuff' 5
Polygonatum odoratum 'Fireworks' 5
Polygonatum odoratum 'Goldilocks' 3
Polygonatum odoratum 'Kayaba Nishiki' 3
Polygonatum odoratum 'Koryu' 3
Polygonatum odoratum var. maximowiczii 5
Polygonatum odoratum (narrow leaf) 2
Polygonatum odoratum 'Pacman' 2
Polygonatum odoratum var. pluriflorum 'Jinguji' 8
Polygonatum odoratum var. pluriflorum 'Variegatum' 43
Polygonatum odoratum (red stem heavy gold streaks) 4
Polygonatum odoratum (red stem white streaks) 2
Polygonatum odoratum (variegated) 1
Polygonatum odoratum (yellow streaks) 2
Polygonatum oppositifolium 1
Polygonatum cf. tonkinense 2
Polygonatum urceolatum 2
Polygonatum verticillatum 3
Polygonatum verticillatum (streaked) 1
Polygonatum verticillatum (wiry blue) 1
Polygonatum vietnamicum 2
Polygonum 7
Polygonum aubertii 6
Polygonum bistorta 'Superbum' 1
Polygonum bistortoides 13
Polygonum cuspidatum 3
Polygonum scoparium 1
Polygonum viviparum 2
Polypodium 4
Polypodium glycyrrhiza 2
Polypodium glycyrrhiza Grandiceps Group 2
Polypodium glycyrrhiza 'Longicaudatum' 2
Polypodium glycyrrhiza 'Malahatense' 2
Polypodium guttatum 4
Polypodium polypodioides 12
Polypodium scouleri 10
Polypodium virginianum 4
Polypodium vulgare 'Uulong Island' 5
Polyspora longicarpa 2
Polystichum acrostichoides 19
Polystichum braunii 1
Polystichum lepidocaulon 4
Polystichum makinoi 3
Polystichum munitum 29
Polystichum polyblepharum 13
Polystichum setiferum 'Divisilobum' 2
Polystichum 'Shiny Holly' 3
Polystichum tsus-simense 5
Polystichum vestitum 1
Pomaderris paniculosa subsp. novae-zelandiae 2
Pomaderris phylicifolia 2
Poncirus trifoliata 11
Poncirus trifoliata × Citrus paradisi 'Dunstan' 9
Poncirus trifoliata (gold contorted) 2
Poncirus trifoliata 'Snow Dragon' 12
Poncirus trifoliata 'Tiny Dragon' 4
Ponerorchis graminifolia 3
Pontederia cordata var. cordata 17
Pontederia cordata var. lancifolia 2
Populus 28
Populus alba 6
Populus alba 'Pyramidalis' 2
Populus ×candicans 'Aurora' 3
Populus deltoides 2
Populus 'Gnarly Poplar' 4
Populus lasiocarpa 6
Populus monticola 4
Populus nigra 'Italica' 3
Populus szechuanica var. tibetica 4
Populus tremuloides 27
Porteranthus trifoliatus 3
Porteranthus trifoliatus (dark pink) 2
Porteranthus trifoliatus 'Roethling Red' 3
Portlandia grandiflora 2
Portlandia proctorii 3
Portulaca 33
Portulaca 'Cupcake Cherry Baby' 2
Portulaca 3
Portulaca oleracea 6
Portulaca oleracea 'Duecupcar' 8
Portulaca oleracea 3
Portulaca 'René' 9
Portulaca umbraticola 2
Potentilla 32
Potentilla anserina 3
Potentilla atrosanguinea 2
Potentilla fruticosa 12
Potentilla fruticosa 'Goldfinger' 2
Potentilla fruticosa 'Klondyke' 2
Potentilla fruticosa 'Maanelys' 4
Potentilla fruticosa 'McKay's White' 2
Potentilla fruticosa 'Pink Beauty' 6
Potentilla fruticosa [Sulphurascens Group] 'Elizabeth' 3
Potentilla hippiana 3
Potentilla neumanniana 6
Potentilla nivea 1
Potentilla porphyrantha 12
Potentilla rubricaulis 4
Pratia 1
Pratia nummularia 2
Primula 72
Primula angustifolia 10
Primula bulleyana 8
Primula chungensis 2
Primula 'Dale Henderson' 26
Primula denticulata 5
Primula elatior 3
Primula farinosa 3
Primula florindae 11
Primula 'Green Lace' 1
Primula 'Innisfree' 2
Primula japonica 11
Primula japonica 'Miller's Crimson' 5
Primula kisoana 5
Primula kisoana 'Velvet' 1
Primula malacoides 2
Primula parryi 17
Primula ×polyantha 3
Primula polyanthus 7
Primula pulverulenta 8
Primula (red shades) 6
Primula sieboldii 'Chubby One' 6
Primula sieboldii 'Drag Queen' 11
Primula sieboldii 'Fuji Snow' 9
Primula veris 12
Primula vialii 5
Primula 'Vivid' 3
Primula vulgaris 3
Primula vulgaris subsp. sibthorpii 6
Primula 'Wanda Mix' 1
Primulina liboensis 1
Primulina liguliformis 2
Prinsepia uniflora 1
Pritchardia hillebrandii 1
Proboscidea louisianica 7
Pronephrium penangianum 5
Prosartes lanuginosa 4
Prosartes smithii 9
Prosopis 2
Prostanthera 5
Prostanthera cuneata 4
Prostanthera rotundifolia 3
Prosthechea cochleata 1
Protea 25
Protea 'Clark's Red' 1
Protea cynaroides 6
Protea eximia 2
Protea neriifolia 4
Protea obtusifolia 2
Prumnopitys andina 3
Prumnopitys ferruginea 5
Prumnopitys ladei 1
Prumnopitys taxifolia 10
Prunella grandiflora subsp. pyrenaica 2
Prunella laciniata 2
Prunella vulgaris 'Pagoda Mix' 3
Prunus 167
Prunus 'Accolade' 1
Prunus armeniaca 3
Prunus avium 1
Prunus besseyi 3
Prunus ×blireana 14
Prunus campanulata 22
Prunus caroliniana 12
Prunus caroliniana 'Monus' 3
Prunus cerasifera 4
Prunus cerasifera 'Cripoizam' 15
Prunus cerasifera 'Pissardii' 1
Prunus cerasifera 'Thundercloud' 6
Prunus ×cistena 2
Prunus cyclamina 8
Prunus dulcis 14
Prunus 'First Lady' 22
Prunus geniculata 4
Prunus glandulosa 2
Prunus glandulosa 'Alba Plena' 2
Prunus glandulosa 'Rosea Plena' 3
Prunus glandulosa 'Sinensis' 7
Prunus 'Hally Jolivette' 5
Prunus ilicifolia 2
Prunus incisa 6
Prunus incisa 'FPMSPL' 17
Prunus incisa 'Kojo-no-mai' 20
Prunus incisa 'Pendula' 38
Prunus incisa 'Rinpo' 15
Prunus incisa 'Shikizaki' 7
Prunus incisa 'Snowcloud' 20
Prunus incisa 'Yamadei' 15
Prunus jacquemontii 12
Prunus jacquemontii 'Hiromi' 2
Prunus 'JFS-KW 14' 27
Prunus laurocerasus 16
Prunus laurocerasus 'Batumi Rubies' 21
Prunus laurocerasus 'Camelliifolia' 1
Prunus laurocerasus 'Chestnut Hill' 5
Prunus laurocerasus 'Kelpie' 5
Prunus laurocerasus 'Majestic Jade' 7
Prunus laurocerasus 'Marbled White' 3
Prunus laurocerasus 'Otto Luyken' 2
Prunus laurocerasus 'Schipkaensis' 1
Prunus laurocerasus 'West Coast Schipkaensis' 1
Prunus lusitanica 15
Prunus lusitanica 'Variegata' 4
Prunus maackii 4
Prunus mexicana 21
Prunus microcarpa 2
Prunus mume 49
Prunus mume 'Big Joe' 12
Prunus mume 'Bonita' 29
Prunus mume 'Bridal Veil' 49
Prunus mume 'Contorta' 1
Prunus mume 'Dawn' 38
Prunus mume (dwarf) 9
Prunus mume 'Josephine' 19
Prunus mume 'Kobai' 5
Prunus mume 'Luke' 10
Prunus mume 'Matsurabara Red' 20
Prunus mume 'Nicholas' 14
Prunus mume 'Okitsu-akabana' 9
Prunus mume 'Omoi-no-mama' 24
Prunus mume 'Peggy Clarke' 6
Prunus mume 'Pendula' 1
Prunus mume 'Pink Glow' 10
Prunus mume 'Rose Bud' 15
Prunus mume 'Rose Glow' 9
Prunus mume 'Rosemary Clarke' 11
Prunus mume 'Ryogaku' 1
Prunus mume 'Sabashi-ko' 15
Prunus mume 'Tama' 4
Prunus mume 'Tojibai' 10
Prunus mume 'Trumpet' 38
Prunus mume 'W. B. Clarke' 46
Prunus mume 'Yuh-Hwa' 6
Prunus (NA 63480) 25
Prunus 'NCPH1' 4
Prunus 'Okame' 23
Prunus padus 'DTR 117' 2
Prunus pendula 8
Prunus pendula 'Beni-shidare' 5
Prunus pendula f. pendula 1
Prunus persica 19
Prunus persica 'Bonfire' 27
Prunus persica 'Corinthian Mauve' 7
Prunus persica 'Corinthian Pink' 14
Prunus persica 'Corinthian Rose' 8
Prunus persica 'Corinthian White' 28
Prunus persica 'Genpei Shidare' 11
Prunus persica 'NC Peach-6' 8
Prunus persica 'NCSU Dwarf Double Red' 30
Prunus persica ('NCSU Dwarf Double Red' good fruit form) 3
Prunus persica var. nucipersica 2
Prunus persica 'White Glory' 9
Prunus pumila 1
Prunus 'Purple Pride' 9
Prunus 'Royal Burgundy' 4
Prunus rufa 3
Prunus salicina 4
Prunus sargentii 1
Prunus sargentii 'S. Edward Muller' 14
Prunus serotina 3
Prunus serrula 12
Prunus serrulata 'Kanzan' 15
Prunus 'Snofozam' 5
Prunus spinosa 2
Prunus 'Spire' 7
Prunus subhirtella 'Jugatsu-zakura' 1
Prunus subhirtella 'Rosy Cloud' 2
Prunus subhirtella 'Scott Early' 20
Prunus subhirtella 'Whitcomb' 2
Prunus takasagomontana 3
Prunus takesimensis 19
Prunus tenella 3
Prunus 'Ukon' 23
Prunus 'Umineko' 14
Prunus virginiana 'Schubert' 2
Prunus 'Westonbirt' 9
Prunus ×yedoensis 30
Prunus ×yedoensis 'Akebono' 4
Prunus ×yedoensis 'Shidare-yoshino' 1
Pseuderanthemum carruthersii 1
Pseudobombax ellipticum 4
Pseudocydonia sinensis 20
Pseudocymopterus montanus 5
Pseudofumaria alba subsp. acaulis 3
Pseudofumaria ochroleuca 2
Pseudogynoxys chenopodioides 6
Pseudogynoxys chenopodioides 'Sao Paolo' 4
Pseudogynoxys cummingii 1
Pseudolarix amabilis 43
Pseudopanax 5
Pseudopanax 'Adiantifolius' 2
Pseudopanax arboreus 2
Pseudopanax chathamicus 1
Pseudopanax crassifolius 10
Pseudopanax discolor 'Rangatira' 2
Pseudopanax ferox 13
Pseudopanax gilliesii 1
Pseudopanax lessonii 'Cyril Watson' 1
Pseudophoenix vinifera 3
Pseudotsuga menziesii 50
Pseudotsuga menziesii var. glauca 9
Pseudotsuga menziesii 'Graceful Grace' 5
Pseudotsuga menziesii 'Loggerhead' 4
Pseudotsuga menziesii Pendula Group 1
Pseudotsuga sinensis 3
Pseudotsuga sinensis var. wilsoniana 12
Pseudowintera axillaris 5
Pseudowintera colorata 2
Psilotum nudum 2
Psoralea 9
Psoralea pinnata 7
Psylliostachys suworowii 2
Ptelea trifoliata 3
Ptelea trifoliata subsp. polyadenia 4
Pteridium aquilinum 12
Pteridium esculentum 3
Pteridophyllum racemosum 2
Pteris 1
Pteris cretica var. laeta 'Wu Wu' 4
Pteris multifida 'Jade Waterfall' 3
Pteris vittata 'Benzilan' 1
Pteris wallichiana (A1TW-223) 1
Pteris wallichiana 'Hualien Giant' 10
Pterocarya 5
Pterocarya fraxinifolia 6
Pterocarya macroptera var. insignis 0
Pterocarya rhoifolia 19
Pterocarya stenoptera 8
Pterocarya tonkinensis 15
Pteroceltis tatarinowii 5
Pterocephalus depressus 2
Pterocephalus pinardii 1
Pterospora andromedea 2
Pterostylis 1
Pterostyrax 2
Pterostyrax corymbosus 7
Pterostyrax corymbosus 'Silver Shadow' 4
Pterostyrax hispidus 8
Pterostyrax psilophyllus 4
Ptilostemon afer 2
Ptilotus exaltatus 'Joey' 7
Ptisana salicina 3
Pueraria montana var. lobata 8
Pueraria montana var. lobata 'Sherman's Ghost' 9
Pulmonaria 4
Pulmonaria affinis 2
Pulmonaria 'Diana Clare' 2
Pulmonaria 'Highdown' 2
Pulmonaria 'Little Star' 1
Pulmonaria longifolia 'Bertram Anderson' 24
Pulmonaria 'Majesté' 1
Pulmonaria 'Margery Fish' 9
Pulmonaria mollis 1
Pulmonaria 'Moonshine' 6
Pulmonaria 'Raspberry Frost' 4
Pulmonaria 'Raspberry Splash' 2
Pulmonaria 'Roy Davidson' 3
Pulmonaria saccharata 'Dora Bielefeld' 2
Pulmonaria 'Silver Bouquet' 12
Pulmonaria 'Silver Scimitar' 2
Pulmonaria 'Twinkle Toes' 6
Pulsatilla 4
Pulsatilla albana 6
Pulsatilla bogenhardiana 1
Pulsatilla cernua 62
Pulsatilla dahurica 14
Pulsatilla georgica 34
Pulsatilla halleri 35
Pulsatilla halleri subsp. slavica 1
Pulsatilla halleri subsp. styriaca 52
Pulsatilla patens 13
Pulsatilla patens subsp. multifida 4
Pulsatilla pratensis 1
Pulsatilla pratensis subsp. nigricans 24
Pulsatilla turczaninovii 1
Pulsatilla vulgaris 22
Pulsatilla vulgaris subsp. grandis 8
Pulsatilla vulgaris 'Rosen Glocke' 3
Pulsatilla vulgaris 'Rote Glocke' 4
Punica 3
Punica granatum 21
Punica granatum 'Chico' 2
Punica granatum 'Gosai-ryu' 7
Punica granatum (large, double white) 9
Punica granatum 'Legrellei' 1
Punica granatum var. nana 2
Punica granatum 'Nochi Shibori' 1
Punica granatum 'Orange Blossom Special' 5
Punica granatum 'Salavatski' 2
Punica granatum 'Silver Surfer' 23
Punica granatum 'State Fair' 26
Punica granatum 'Toyosho' 1
Punica granatum (variegated) 7
Purshia mexicana 5
Purshia tridentata 9
Puschkinia scilloides var. libanotica 2
Putoria calabrica 4
Puya 10
Puya alpestris 2
Puya berteroniana 1
Puya coerulea var. violacea 3
Puya dyckioides 3
Puya mirabilis × P. alpestris 5
Puya spathacea 1
Puya venusta 1
Pycnanthemum 'Eagle Rock' 3
Pycnanthemum incanum 1
Pycnanthemum loomisii 1
Pycnanthemum muticum 3
Pycnostachys urticifolia 1
Pyracantha 33
Pyracantha atalantoides 1
Pyracantha 'Cadange' 12
Pyracantha 'Cadaune' 6
Pyracantha 'Cadvar' 7
Pyracantha crenatoserrata 3
Pyracantha 'Fiery Cascade' 6
Pyracantha 'Gold Rush' 4
Pyracantha 'Harlequin' 4
Pyracantha koidzumii 'Victory' 2
Pyracantha 'Red Cushion' 2
Pyracantha rodgersiana 2
Pyracantha 'Teton' 1
×Pyracomeles vilmorinii 13
Pyrenaria spectabilis (2018-008) 1
Pyrola asarifolia 6
Pyrola decorata 2
Pyrostegia venusta 2
Pyrrosia 12
Pyrrosia drakeana 2
Pyrrosia eleagnifolia 2
Pyrrosia hastata 13
Pyrrosia hastata (mini) 1
Pyrrosia hastata 'Mitsude Iwadare' 1
Pyrrosia hastata 'Momi no konoha' 1
Pyrrosia lingua 6
Pyrrosia lingua 'Alabama Gold' 6
Pyrrosia lingua 'Corymbifera' 1
Pyrrosia lingua (crested) 1
Pyrrosia lingua (dwarf crested) 1
Pyrrosia lingua (extra crested) 1
Pyrrosia lingua (Farfugium form) 1
Pyrrosia lingua 'Futaba Shishi' 4
Pyrrosia lingua 'Hiryu' 5
Pyrrosia lingua 'Kel Kan' 5
Pyrrosia lingua 'Limon' 11
Pyrrosia lingua (long lobe) 1
Pyrrosia lingua (narrow crested) 1
Pyrrosia lingua 'Ogon Nishiki' 7
Pyrrosia lingua (Ryu crested) 1
Pyrrosia lingua 'Shishigashira' 2
Pyrrosia lingua 'Tachiba Koryu' 3
Pyrrosia polydactyla 8
Pyrrosia sheareri 9
Pyrus 28
Pyrus betulifolia 'Southworth' 5
Pyrus calleryana 11
Pyrus calleryana 'Bradford' 38
Pyrus communis 5
Pyrus 'Edgedell' 15
Pyrus elaeagnifolia 2
Pyrus 'NCPX1' 20
Pyrus 'Ncpx2' 10
Pyrus 'Ohara Beni' 13
Pyrus salicifolia 5
Pyrus salicifolia 'Pendula' 10
Pyxidanthera barbulata 7
Quararibea funebris 7
Quercus 137
Quercus acuta 4
Quercus acutissima 10
Quercus affinis 6
Quercus alba 25
Quercus aliena 8
Quercus alnifolia 1
Quercus arkansana 1
Quercus bicolor 3
Quercus brantii 3
Quercus canariensis 3
Quercus canbyi 8
Quercus candicans 3
Quercus castanea 3
Quercus castaneifolia 3
Quercus cerris 'Argenteovariegata' 2
Quercus chenii 3
Quercus coccifera 1
Quercus coccinea 8
Quercus crassifolia 22
Quercus dentata 5
Quercus dentata 'Carl Ferris Miller' 20
Quercus dentata 'Pinnatifida' 13
Quercus dentata subsp. stewardii 1
Quercus durata 3
Quercus ×dysophylla 4
Quercus fabri 6
Quercus fusiformis 1
Quercus gambelii 7
Quercus garryana 33
Quercus geminata 1
Quercus germana 14
Quercus glauca 26
Quercus glauca 'Fasciata' 1
Quercus glauca 'Lacera' 5
Quercus glauca 'Shima Fu' 11
Quercus greggii (La Siberia strain) 2
Quercus grisea 2
Quercus hemisphaerica 4
Quercus hinckleyii 3
Quercus hypoleucoides 15
Quercus ilex 9
Quercus ilex 'Fordii' 5
Quercus ilicifolia 3
Quercus imbricaria 1
Quercus inopina 4
Quercus insignis 10
Quercus 'JFS-kw2qx' 4
Quercus laevis 2
Quercus lamellosa 1
Quercus longinux 5
Quercus ×lucombeana 6
Quercus lyrata 3
Quercus macranthera 6
Quercus macrocarpa 4
Quercus marilandica 2
Quercus marlipoensis 2
Quercus michauxii 4
Quercus mongolica 3
Quercus mongolica var. grosseserrata 5
Quercus morii 2
Quercus muehlenbergii 1
Quercus myrsinifolia 26
Quercus myrsinifolia (white flush) 2
Quercus myrtifolia 2
Quercus nuttallii 3
Quercus nuttallii 'Purpurea' 1
Quercus oblongifolia 4
Quercus oglethorpensis 2
Quercus pagoda 1
Quercus palustris 10
Quercus palustris 'Pringreen' 5
Quercus ×pauciloba 1
Quercus petraea 4
Quercus phellos 50
Quercus phillyreoides 12
Quercus phillyreoides 'Emerald Sentinel' 5
Quercus polymorpha 19
Quercus pontica 3
Quercus prinoides 5
Quercus pubescens 4
Quercus pungens 7
Quercus robur 11
Quercus robur 'Argenteomarginata' 7
Quercus robur 'Concordia' 2
Quercus robur f. fastigiata 44
Quercus robur 'Furst Schwartzenburg' 6
Quercus robur 'Pectinata' 17
Quercus robur 'Pendula' 6
Quercus robur × Q. alba 'Jfs-kw1qx' 5
Quercus rubra 10
Quercus rugosa 13
Quercus rysophylla 13
Quercus rysophylla 'Maya' 1
Quercus sadleriana 7
Quercus salicina 7
Quercus sartorii 5
Quercus serrata 8
Quercus serrata 'Variegata' 11
Quercus sessilifolia 6
Quercus shumardii 7
Quercus sinuata 11
Quercus stellata 8
Quercus suber 16
Quercus tarokoensis 1
Quercus tomentella 10
Quercus turbinella 16
Quercus variabilis 11
Quercus variabilis (speckled) 3
Quercus virgiliana 1
Quercus virginiana 151
Quercus ×warei 'Birthday Candle' 5
Quercus ×warei 'Chimney Fire' 6
Quercus ×warei 'Long' 8
Quercus ×warei 'Nadler' 5
Quercus wutaishanica 2
Rabdosia longituba 18
Rabiea albinota 2
Rabiea albipuncta 10
Ramonda myconi 6
Ranunculus 21
Ranunculus adoneus 15
Ranunculus alismifolius var. montanus 8
Ranunculus cortusifolius 5
Ranunculus gramineus 6
Ranunculus insignis 1
Ranunculus repens 2
Ranunculus repens 'Buttered Popcorn' 1
Raoulia parkii 3
Raoulia subsericea 1
Raphanus raphanistrum subsp. sativus 4
Raphiocarpus petelotii 'Finale' 1
Ratibida columnifera 5
Ratibida pinnata 1
Ravenala madagascariensis 9
Rehderodendron gongshanense 3
Rehderodendron macrocarpum 1
Rehmannia chingii 38
Rehmannia elata 6
Rehmannia glutinosa 5
Reineckea carnea 9
Reineckea cf. carnea 5
Reineckea carnea 'Crug's Broadleaf' 1
Reineckea carnea 'Variegata' 2
Reineckea incurva 'Crug's Linearleaf' 3
Remusatia vivipara 7
Resnova humifusa 3
Restio subverticillatus 1
Retrophyllum rospigliosii 2
Reynoutria japonica 'Crimson Beauty' 7
Rhabdothamnus solandri 2
Rhamnella franguloides 16
Rhamnus alaternus 'Argenteovariegata' 1
Rhamnus californicus 2
Rhamnus caroliniana 7
Rhamnus frangula 1
Rhamnus frangula 'Aspleniifolia' 7
Rhamnus frangula 'Ron Williams' 1
Rhamnus yoshinoi 4
Rhaphiolepis 8
Rhaphiolepis indica 2
Rhaphiolepis indica 'Clara' 6
Rhaphiolepis indica 'Conda' 14
Rhaphiolepis indica 'Conia' 3
Rhaphiolepis indica 'Conor' 1
Rhaphiolepis indica 'Fiesta' 2
Rhaphiolepis indica 'Hines Darkleaf' 3
Rhaphiolepis indica 'Snow White' 2
Rhaphiolepis indica 'Spg-3-003' 10
Rhaphiolepis 'Sopink' 4
Rhaphiolepis umbellata 4
Rhaphiolepis umbellata 'Blueberry Muffin' 10
Rhaphiolepis umbellata 'Minor' 2
Rhaphiolepis umbellata 'Rutrhaph1' 5
Rhapidophyllum hystrix 76
Rhapis humilis 'Shibamichi Compact' 1
Rheum 7
Rheum acuminatum 7
Rheum australe 1
Rheum delavayi 1
Rheum palmatum 2
Rheum rhabarbarum 5
Rheum spiciforme 4
Rhexia 3
Rhexia aristosa 4
Rhexia mariana 4
Rhexia mariana var. exalbida 1
Rhinanthus minor 1
Rhipsalis 2
Rhizophora 1
Rhizophora mangle 5
Rhodanthemum hosmariense 2
Rhodiola integrifolia 2
Rhodiola integrifolia subsp. integrifolia 12
Rhodiola rhodantha 5
Rhodiola rhodantha 5
Rhodocoma capensis 14
Rhodocoma foliosa 1
Rhododendron 1,158
Rhododendron aberconwayi 'His Lordship' 1
Rhododendron 'Aglo' 1
Rhododendron 'Aikoku' 1
Rhododendron alabamense 2
Rhododendron alabamensis 'Terry Greer' 1
Rhododendron 'Alaska' 12
Rhododendron 'Alexander' 4
Rhododendron 'Alison Johnstone' 2
Rhododendron 'Anneke' 1
Rhododendron 'Antilope' 2
Rhododendron 'Appalachian Gold' 5
Rhododendron arborescens 1
Rhododendron arboreum 8
Rhododendron arboreum subsp. albotomentosum 'Robert Barry' 3
Rhododendron 'Arctic Tern' 3
Rhododendron 'Arneson Gem' 7
Rhododendron 'Aromi Sunrise' 2
Rhododendron asterochnoum 1
Rhododendron atlanticum 31
Rhododendron atlanticum 'Winterthur' 6
Rhododendron 'Auguste van Geert' 5
Rhododendron aureum 1
Rhododendron auriculatum 5
Rhododendron austrinum 40
Rhododendron austrinum 'Alba' 9
Rhododendron austrinum 'Hotspur Yellow' 10
Rhododendron austrinum 'Lisa's Gold' 1
Rhododendron austrinum (yellow no. 3) 9
Rhododendron ×bakeri 'Clyo Red' 18
Rhododendron 'Beauty of Littleworth' 1
Rhododendron 'Belle Heller' 1
Rhododendron [Blanc-mange Group] 'Blanc-mange' 3
Rhododendron [Blue Diamond Group] 'Blue Diamond' 1
Rhododendron 'Bodega Crystal Pink' 2
Rhododendron brachycarpum 1
Rhododendron 'Brandi Michele Raley' 13
Rhododendron bureavii 9
Rhododendron 'Buzzard' 1
Rhododendron calendulaceum 9
Rhododendron calophytum 2
Rhododendron 'Camilla's Blush' 3
Rhododendron camtschaticum 2
Rhododendron canescens 20
Rhododendron canescens 'Varnadoes Phlox Pink' 26
Rhododendron 'Capistrano' 6
Rhododendron carolinianum 'Roundleaf' 3
Rhododendron catawbiense 29
Rhododendron catawbiense 'Carolina Spring' 2
Rhododendron 'Cayenne Capers' 6
Rhododendron 'Cecil's Goal' 3
Rhododendron chapmanii 1
Rhododendron chapmanii × R. mucronulatum 9
Rhododendron 'Chapmanii Wonder' 16
Rhododendron 'Charles Lawson' 3
Rhododendron 'Chinzan' 1
Rhododendron 'Chionoides' 4
Rhododendron 'Choice Cream' 1
Rhododendron 'Cockatoo' 2
Rhododendron colemanii 2
Rhododendron 'Congo' 7
Rhododendron 'Conlec' 12
Rhododendron 'Conled' 5
Rhododendron 'Conlef' 22
Rhododendron 'Conlep' 2
Rhododendron ('Conversation Piece' witch's broom) 5
Rhododendron coriaceum 5
Rhododendron [Cornubia Group] 'Cornubia' 2
Rhododendron 'Cotton Candy' 6
Rhododendron 'Country Cousin' 1
Rhododendron dauricum 16
Rhododendron dauricum 'Madison Snow' 9
Rhododendron 'Daviesii' 3
Rhododendron 'Daybreak' 4
Rhododendron decorum 3
Rhododendron decorum subsp. diaprepes 'Gargantua' 4
Rhododendron delavayi 2
Rhododendron dilatatum 3
Rhododendron discolor 2
Rhododendron diversipilosum 'Milky Way' 1
Rhododendron 'Duc de Nassau' 1
Rhododendron 'Earl of Athlone' 3
Rhododendron 'Ebony Pearl' 4
Rhododendron 'Edgar Stead' 1
Rhododendron edgeworthii 7
Rhododendron 'Elizabeth Lockhart' 2
Rhododendron elliottii 4
Rhododendron 'Elsie Lee' 1
Rhododendron 'Emily' 3
Rhododendron eximium 3
Rhododendron 'Fabia Tangerine' 2
Rhododendron falconeri 3
Rhododendron 'Fashion' 1
Rhododendron ferrugineum 2
Rhododendron flammeum 4
Rhododendron flammeum 'Early Red Flame' 10
Rhododendron flammeum 'Wood Nymph' 2
Rhododendron formosanum 8
Rhododendron formosanum (pure white form) 6
Rhododendron fortunei 17
Rhododendron 'Fragrant Affinity' 1
Rhododendron 'Fragrant Star' 3
Rhododendron 'Fragrantissimum Improved' 4
Rhododendron 'Fred D. Cochran' 12
Rhododendron 'Freddie' 1
Rhododendron 'French Vanilla' 1
Rhododendron 'Fuki' 7
Rhododendron 'George Reynolds' 3
Rhododendron 'Ghent Cream' 2
Rhododendron 'Gibraltar' 1
Rhododendron 'Ginger' 2
Rhododendron 'Gloria' 3
Rhododendron 'Gold Mohur' 1
Rhododendron 'Golden Lights' 1
Rhododendron 'Golden Torch' 1
Rhododendron 'Goldflimmer' 3
Rhododendron 'Grace Seabrook' 4
Rhododendron Griersims Group 3
Rhododendron griffithianum 2
Rhododendron 'Gulf Shore' 18
Rhododendron 'Gwillt-king' 2
Rhododendron 'Helen Fox' 9
Rhododendron 'High Tide' 5
Rhododendron hippophaeoides 2
Rhododendron 'Ho-o' 1
Rhododendron hongkongense 2
Rhododendron 'Hoppy' 2
Rhododendron 'Hotline' 2
Rhododendron 'Hotspur Red' 4
Rhododendron (Huang 1-3-16) 19
Rhododendron 'Hydon Hunter' 1
Rhododendron hyperythrum 6
Rhododendron hypoglaucum 4
Rhododendron 'Ilam Orange' 3
Rhododendron impeditum 3
Rhododendron 'Irene Koster' 1
Rhododendron 'Jane's Gold' 5
Rhododendron 'Janet Blair' 14
Rhododendron japonicum 2
Rhododendron 'June Jubilee' 7
Rhododendron kaempferi 'Unryu' 6
Rhododendron 'Kate Waterer' 2
Rhododendron 'Kathleen' 1
Rhododendron 'Keisetsu' 7
Rhododendron keiskei 2
Rhododendron keleticum 2
Rhododendron 'Ken Janeck' 4
Rhododendron kesangiae 5
Rhododendron keysii 4
Rhododendron 'Kilimanjaro' 2
Rhododendron 'King's Trumpeter' 3
Rhododendron 'Kiwi Majic' 3
Rhododendron 'Koromo Shikibu' 4
Rhododendron 'Kumo-no-ito' 7
Rhododendron 'Lapwing' 2
Rhododendron 'Late Love' 2
Rhododendron lateriflorum 0
Rhododendron latoucheae 5
Rhododendron 'LAVJ2011' 15
Rhododendron 'Lemon Dream' 3
Rhododendron 'Lemon Lights' 2
Rhododendron 'Lemon Lodge' 3
Rhododendron 'Lemonade' 5
Rhododendron 'Lem's Monarch' 3
Rhododendron 'Lisenne Rockefeller' 4
Rhododendron 'Little John' 3
Rhododendron 'Liz Colbert' 5
Rhododendron [Loderi Group] 'Loderi King George' 4
Rhododendron 'Luna Sweetheart' 1
Rhododendron luteum 3
Rhododendron macabeanum 10
Rhododendron macrophyllum 14
Rhododendron macrosepalum 'Linearifolium' 6
Rhododendron maculiferum subsp. anhweiense 3
Rhododendron maddenii 1
Rhododendron maddenii subsp. crassum 2
Rhododendron makinoi 8
Rhododendron 'Mandarin Lights' 12
Rhododendron mariesii 1
Rhododendron 'Marilyn Jeanne' 5
Rhododendron 'Marquis of Lothian' 2
Rhododendron 'Mary Fleming' 2
Rhododendron 'Marydel' 6
Rhododendron maximum 31
Rhododendron [May Day Group] 'May Day' 2
Rhododendron 'Maya' 3
Rhododendron 'Michael Hill' 3
Rhododendron micranthum 14
Rhododendron 'Midnight Flare' 6
Rhododendron 'Midsummer Mermaid' 2
Rhododendron minus 'Southern Cerise' 10
Rhododendron molle 3
Rhododendron 'Mollie Coker' 1
Rhododendron 'Morning Cloud' 1
Rhododendron 'Mrs W. T. Thistleton-Dyer' 2
Rhododendron mucronulatum 6
Rhododendron mucronulatum 'Cornell Pink' 2
Rhododendron mucronulatum var. maritimum 3
Rhododendron mucronulatum 'Vimantissm' 2
Rhododendron 'My Mary' 3
Rhododendron nakaharae 4
Rhododendron 'Narcissiflora' 3
Rhododendron narcissiflorum 2
Rhododendron 'NCRX1' 4
Rhododendron 'NCRX11' 1
Rhododendron 'NCRX2' 5
Rhododendron 'Ncrx4' 1
Rhododendron 'Neon' 4
Rhododendron 'Nicholas de Rothschild' 2
Rhododendron 'Nishiki' 3
Rhododendron 'Noyo Chief' 3
Rhododendron nuttallii 0
Rhododendron occidentale 20
Rhododendron oldhamii 8
Rhododendron ovatum 15
Rhododendron 'P. J. M.' 9
Rhododendron pachysanthum 3
Rhododendron pachysanthum 'Crosswater' 5
Rhododendron 'Parisienne' 2
Rhododendron periclymenoides 14
Rhododendron periclymenoides 'Lavender Girl' 5
Rhododendron 'Peter Koster' 2
Rhododendron 'Pink Camellia' 13
Rhododendron 'Pink Cascade' 3
Rhododendron 'Pink Chiffon' 2
Rhododendron 'Pink Cloud' 2
Rhododendron 'Pink Pancake' 3
Rhododendron 'Pink Ruffles' 1
Rhododendron 'Pkt2011' 8
Rhododendron 'Polar Bear' 4
Rhododendron ponticum 3
Rhododendron ponticum 'Variegatum' 3
Rhododendron praestans 1
Rhododendron 'President Roosevelt' 20
Rhododendron 'Primitive Beauty' 7
Rhododendron 'Primrose Brook' 1
Rhododendron prinophyllum × R. mollis 3
Rhododendron protistum 5
Rhododendron prunifolium 21
Rhododendron pseudochrysanthum 2
Rhododendron 'Pukeiti Anniversary' 5
Rhododendron ×pulchrum (Matsuda gold) 12
Rhododendron 'Purple Cushion' 6
Rhododendron 'Qbackc' 2
Rhododendron 'Queen's Rose' 6
Rhododendron quinquefolium 1
Rhododendron racemosum 8
Rhododendron 'Red Mountain' 1
Rhododendron 'Red Pepper' 4
Rhododendron 'Reid Red' 2
Rhododendron reticulatum 7
Rhododendron retusum 2
Rhododendron rex 3
Rhododendron 'Ribbon Candy' 4
Rhododendron ririei 10
Rhododendron 'Rlh1-11p1' 10
Rhododendron 'Rlh1-15p3' 9
Rhododendron 'Rlh1-1p2' 1
Rhododendron 'Rlh1-2p8' 2
Rhododendron 'Rlh1-4p19' 9
Rhododendron 'Robert Balch' 2
Rhododendron 'Roblec' 1
Rhododendron 'Robleo' 2
Rhododendron 'Roblez' 12
Rhododendron 'Rose Mangles' 3
Rhododendron 'Royal Command' 3
Rhododendron rubiginosum 2
Rhododendron aff. rubropilosum 4
Rhododendron rubrotrichum 0
Rhododendron 'Ruby F. Bowman' 2
Rhododendron 'Saffron Meadow' 1
Rhododendron 'Saffron Queen' 6
Rhododendron 'Sappho' 2
Rhododendron 'Scarlet King' 1
Rhododendron 'Scarlet King Pine' 1
Rhododendron 'Scarlet Wonder' 3
Rhododendron schlippenbachii 8
Rhododendron serrulatum 8
Rhododendron [Seta Group] 'Seta' 4
Rhododendron sichotense 12
Rhododendron 'Silver Sword' 2
Rhododendron sinofalconeri 4
Rhododendron sinogrande 0
Rhododendron 'Sir Robert Peel' 2
Rhododendron 'Snowwhite' 1
Rhododendron 'Solidarity' 9
Rhododendron 'Southern Belle' 11
Rhododendron 'Southern Sunset' 5
Rhododendron 'Spiced Honey' 1
Rhododendron spinuliferum 4
Rhododendron 'Spring Fanfare' 4
Rhododendron 'Spring Sensation' 12
Rhododendron 'Staccato' 3
Rhododendron stamineum 3
Rhododendron 'Stewartstonian' 2
Rhododendron 'Strawberry Sundae' 11
Rhododendron strigillosum 3
Rhododendron 'Summer Lyric' 1
Rhododendron 'Summer Snowball' 7
Rhododendron 'Sunray' 2
Rhododendron 'Sunrise' 23
Rhododendron 'Sunspray' 1
Rhododendron suoilenhensis 2
Rhododendron tashiroi 1
Rhododendron 'Temple's Toy' 6
Rhododendron thayerianum 0
Rhododendron thymifolium 2
Rhododendron (tiny creeper) 2
Rhododendron (tiny leaves) 1
Rhododendron 'Touch of Pink' 14
Rhododendron 'Tri-Lights' 1
Rhododendron 'Trude Webster' 2
Rhododendron tschonoskii 1
Rhododendron 'Twilight Pink' 2
Rhododendron 'Tyler Morris' 37
Rhododendron ungernii 1
Rhododendron uwaense 8
Rhododendron 'Van Dec' 1
Rhododendron 'Van Nes Sensation' 2
Rhododendron 'Vanessa Pastel' 1
Rhododendron (variegated pink) 7
Rhododendron vaseyi 4
Rhododendron 'Very Berry' 3
Rhododendron viscidifolium 0
Rhododendron viscosum 5
Rhododendron viscosum var. montanum 1
Rhododendron 'Vulcan' 1
Rhododendron 'Vulcan's Flame' 1
Rhododendron 'Wakaebisu' 1
Rhododendron williamsianum 8
Rhododendron 'Wine and Roses' 4
Rhododendron 'Winsome' 2
Rhododendron [Winsome Group] 'Winsome' 1
Rhododendron (Woodlanders Pastel #12) 1
Rhododendron xanthostephanum 3
Rhododendron yakushimanum 32
Rhododendron yakushimanum 'Koichiro Wada' 3
Rhododendron yedoense var. poukhaneuse 3
Rhododendron 'Yoshino' 17
Rhododendron yuefengense 3
Rhododendron zaleucum 0
Rhodohypoxis 16
Rhodohypoxis baurii 7
Rhodohypoxis baurii 'Pintado' 1
Rhodohypoxis baurii var. platypetala 3
Rhodohypoxis milloides 4
Rhodoleia championii 9
Rhodoleia championii 'Winter Champion' 2
Rhodoleia henryi 25
Rhodoleia henryi (clone B) 2
Rhodoleia henryi 'Scarlet Bells' 3
Rhodoleia henryi 'Takeshitasei' 9
Rhodoleia parvipetala 4
Rhodophiala bifida 24
Rhodophiala bifida var. spathacea 20
Rhodotypos scandens 6
Rhombophyllum dolabriforme 7
Rhopalostylis sapida 8
Rhus 17
Rhus aromatica 4
Rhus chinensis 6
Rhus chinensis 'September Beauty' 8
Rhus copallinum 6
Rhus copallinum var. latifolia 'Lanham Purple' 15
Rhus glabra 'Laciniata' 2
Rhus kearneyi 2
Rhus michauxii 2
Rhus microphylla 3
Rhus montana 3
Rhus trilobata 7
Rhus typhina 6
Rhus typhina 'Bailtiger' 13
Rhus typhina 'Dissecta' 16
Rhus typhina 'Laciniata' 5
Rhynchospora colorata 27
Ribes 9
Ribes laurifolium 3
Ribes laxiflorum 7
Ribes malvaceum 5
Ribes nigrum 2
Ribes odoratum 3
Ribes sanguineum 7
Ribes sanguineum var. glutinosum 'Strybing Pink' 4
Ribes speciosum 'Rana Creek' 7
Richea dracophylla 2
Ricinus 5
Ricinus communis 17
Robinia 5
Robinia ×margarettiae 'Hillieri' 3
Robinia ×margarettiae 'Pink Cascade' 7
Robinia pseudoacacia 25
Robinia pseudoacacia 'Bessoniana' 3
Robinia pseudoacacia 'Frisia' 30
Robinia pseudoacacia 'Lace Lady' 9
Robinia pseudoacacia 'Tortuosa' 1
Robinia 'Purple Robe' 2
Rodgersia 11
Rodgersia aesculifolia var. henricii 2
Rodgersia pinnata 4
Rodgersia pinnata 'Chocolate Wings' 1
Rodgersia pinnata 'Shangri-La' 3
Rodgersia sambucifolia 1
Rohdea chinensis 12
Rohdea chinensis var. chinensis 'Green Panda' 5
Rohdea delavayi 2
Rohdea japonica 33
Rohdea japonica 'Asian Valley' 2
Rohdea japonica 'Chirimen Boshi' 3
Rohdea japonica 'Chiyoda Nishiki' 1
Rohdea japonica 'Eco Dwarf Pinto' 2
Rohdea japonica 'Fuji-no-yuki' 11
Rohdea japonica 'Fukuju Kan' 2
Rohdea japonica 'Go Dai Takane' 2
Rohdea japonica 'Gunjaku' 6
Rohdea japonica 'Herbie' 2
Rohdea japonica 'Ichi Mon Ji' 3
Rohdea japonica 'Kin Cho Ju' 14
Rohdea japonica 'Kin Syoryu' 4
Rohdea japonica 'Kinshu-no-matsu' 5
Rohdea japonica 'Kirishima' 11
Rohdea japonica (medial variegation) 1
Rohdea japonica 'Miho-no-matsu' 5
Rohdea japonica 'Miyako-no-hana' 3
Rohdea japonica 'Miyako-no-jo' 3
Rohdea japonica 'Mure Suzume' 8
Rohdea japonica (narrow leaf variegated) 1
Rohdea japonica 'Nobori ryu' 9
Rohdea japonica 'Picadilly Pace' 9
Rohdea japonica 'Satsuma Tenko' 2
Rohdea japonica 'Sechu-no-matsu' 1
Rohdea japonica 'Sekkei Nishiki' 1
Rohdea japonica 'Setsukan nishiki' 2
Rohdea japonica 'Shiro Botan' 14
Rohdea japonica 'Souryujishi' 5
Rohdea japonica 'Taishu' 6
Rohdea japonica 'Taiyoden' 2
Rohdea japonica 'Tamagawa Ryu' 4
Rohdea japonica 'Tyokkinna-zo' 3
Rohdea japonica 'Washit Aka Kuma' 14
Rohdea japonica (white margin) 6
Rohdea japonica 'Wrath of Kan' 4
Rohdea japonica 'Yattazu Yan Jaku' 9
Rohdea japonica 'Yoroi-Kaku-no-matsu' 2
Rohdea pachynema 7
Rohdea tonkinensis 2
Rohdea urotepala 4
Rohdea wattii 7
Roldana oaxacana 6
Romneya coulteri 39
Romulea hirta 3
Rosa 586
Rosa 'Andeli' 1
Rosa 'Angel Face' 1
Rosa 'Angelsie' 4
Rosa 'Aroplumi' 3
Rosa 'Aroyqueli' 8
Rosa 'Ausbaker' 14
Rosa 'Ausbemard' 3
Rosa 'Ausblanket' 5
Rosa 'Ausblush' 3
Rosa 'Ausboard' 1
Rosa 'Ausbrid' 3
Rosa 'Auscanary' 17
Rosa 'Auscousin' 3
Rosa 'Auscrim' 6
Rosa 'Ausdecorum' 11
Rosa 'Auselle' 4
Rosa 'Ausjump' 8
Rosa 'Ausland' 12
Rosa 'Auslo' 3
Rosa 'Auslot' 2
Rosa 'Ausmas' 9
Rosa 'Ausmerchant' 5
Rosa 'Ausmol' 2
Rosa 'Ausnyson' 7
Rosa 'Ausoran' 16
Rosa 'Auspaddle' 3
Rosa 'Ausprior' 3
Rosa 'Ausquest' 8
Rosa 'Ausrelate' 12
Rosa 'Ausrimini' 6
Rosa 'Ausrover' 2
Rosa 'Austamora' 11
Rosa 'Ausvivid' 6
Rosa 'Auswinter' 6
Rosa 'Baiage' 5
Rosa 'Baiark' 9
Rosa 'Baibox' 10
Rosa 'Baicham' 6
Rosa 'BAIeels' 3
Rosa 'BAIface' (Easy Elegance Funny Face) 3
Rosa 'Baifairy' 7
Rosa 'Baigirl' 3
Rosa 'Baiief' 6
Rosa 'Baiine' 8
Rosa 'Baimir' 16
Rosa 'Baineon' 8
Rosa 'Baiove' 7
Rosa 'Baipeace' 8
Rosa 'Baiprez' 1
Rosa 'Bairage' 9
Rosa 'Baisuhe' 14
Rosa 'Baitown' 5
Rosa 'Baiypso' 19
Rosa banksiae var. banksiae 9
Rosa banksiae 'Lutea' 53
Rosa 'Blanc Double de Courbet' 5
Rosa 'BUCbi' 6
Rosa 'Buff Beauty' 4
Rosa 'Ca 29' 15
Rosa 'Chewground' 5
Rosa 'Chewmaytime' 13
Rosa 'China Doll' 4
Rosa chinensis 'Martha Gonzalez' 7
Rosa chinensis 'Viridiflora' 1
Rosa 'Chrysler Imperial' 4
Rosa 'Climbing Cécile Brünner' 2
Rosa 'Climbing Old Blush' 4
Rosa 'Coral Dawn' 7
Rosa cymosa 7
Rosa 'Dainty Bess' 3
Rosa 'Delmur' 3
Rosa 'Deltep' 1
Rosa 'Dicappeal' 1
Rosa 'Don Juan' 7
Rosa 'Dorient' 8
Rosa 'Dr. Huey' 8
Rosa 'Dream Red' 4
Rosa 'Dublin' 2
Rosa 'Elizabeth Taylor' 1
Rosa 'Europeana' 6
Rosa 'Fantasia' 1
Rosa 'FRAntasia' 4
Rosa 'Frycentury' 32
Rosa 'Fryclimbdown' 5
Rosa 'Fryxotic' 2
Rosa glauca 25
Rosa 'Golden Showers' 2
Rosa 'Granada' 10
Rosa 'Gruss an Aachen' 5
Rosa gymnocarpa 2
Rosa 'Happenstance' 1
Rosa 'Harflow' 5
Rosa ('Harflow' sport) 3
Rosa 'Harsherry' 10
Rosa 'Hermone' 4
Rosa 'Hilaroma' 4
Rosa 'Horcogjil' 14
Rosa 'Horcoherent' 1
Rosa 'Hormeteoric' 2
Rosa 'Jacable' 7
Rosa 'Jaccofl' 1
Rosa 'Jacdew' 1
Rosa 'Jaceibre' 2
Rosa 'Jacideso' 6
Rosa 'Jacjem' 1
Rosa 'Jaclace' 1
Rosa 'Jacling' 12
Rosa 'Jacmcall ' 5
Rosa 'Jacnepal' 6
Rosa 'Jacopper' 1
Rosa 'Jacpal' 2
Rosa 'Jacreflo' 2
Rosa 'Jacrite' 15
Rosa 'Jactou' 15
Rosa 'Jactu' 1
Rosa 'Jaczor' 5
Rosa 'Jeanne Lajoie' 3
Rosa 'Joseph's Coat' 19
Rosa 'Korbin' 2
Rosa 'Korelfkolo' 3
Rosa 'Korhopiko' 12
Rosa 'Korlech' 1
Rosa 'Kormollis' 4
Rosa 'Koroyness' 1
Rosa 'Korpesh' 1
Rosa 'Kortwente' 1
Rosa 'Kricarlo' 10
Rosa 'Louis Philippe' 2
Rosa 'Louise Odier' 3
Rosa 'Macauck' 1
Rosa 'Maclanoflon' 1
Rosa 'Maclanter' 1
Rosa 'Macrexy' 1
Rosa 'Madame A. Meilland' 5
Rosa 'Meiajbeth' 7
Rosa 'Meibil' 3
Rosa 'Meiboulka' 7
Rosa 'Meifacul' 3
Rosa 'Meifaissell' 1
Rosa 'Meigekanu' 3
Rosa 'Meiggili' 7
Rosa 'Meigroupy' 3
Rosa 'Meiguimov' 25
Rosa 'Meihelvet' 8
Rosa 'Meijocos' 3
Rosa 'Meikanaro' 20
Rosa 'Meikokan' 24
Rosa 'Meikolima' 5
Rosa 'Meilmera' 2
Rosa 'Meiludere' 16
Rosa 'Meimacota' 6
Rosa 'Meimirrot' 6
Rosa 'Meimonblan' 8
Rosa 'Meiplumty' 9
Rosa 'Meipoten' 13
Rosa 'Meisponge' 1
Rosa 'Meiswetdom' 6
Rosa 'Meitelov' 2
Rosa 'Meitonje' 6
Rosa 'Meitravia' 1
Rosa 'Meitripine' 6
Rosa 'Meitroni' 8
Rosa 'Meiviolin' 2
Rosa 'Meizerbil' 1
Rosa 'Meizmea' 2
Rosa 'Mermaid' 4
Rosa 'Miracle on the Hudson' 8
Rosa 'Mister Lincoln' 2
Rosa 'Mme Joseph Schwartz' 1
Rosa 'Moje Hammarberg' 6
Rosa moschata 6
Rosa moyesii 3
Rosa moyesii 'Geranium' 2
Rosa mulliganii 14
Rosa 'Nastarana' 11
Rosa 'Natchitoshes Noisette' 1
Rosa 'Nearly Wild' 9
Rosa 'New Dawn' 11
Rosa 'Noa97400a' 8
Rosa 'Noatraum' 6
Rosa nutkana 7
Rosa 'Nymphenburg' 4
Rosa ×odorata 'Mutabilis' 13
Rosa 'Old Blush' 1
Rosa palustris 4
Rosa 'Peggy Martin' 3
Rosa 'Penelope' 1
Rosa 'Petite Pink Scotch' 15
Rosa 'Playboy' 14
Rosa prattii 1
Rosa 'PROse' 2
Rosa 'Prosperity' 1
Rosa 'Queen Elizabeth' 6
Rosa 'Radcarn' 3
Rosa 'Radclean' 8
Rosa 'Radcon' 1
Rosa 'Radcor' 3
Rosa 'Radpastel' 3
Rosa 'Radprov' 33
Rosa 'Radrazz' 32
Rosa 'Radsun' 13
Rosa 'Radsunny' 15
Rosa 'Radtko' 15
Rosa 'Radtkopink' 4
Rosa 'Radtreasure' 34
Rosa 'Radwhite' 7
Rosa 'Radyod' 5
Rosa 'Red Ribbons' 1
Rosa roxburghii 3
Rosa roxburghii f. normalis 7
Rosa rubiginosa 2
Rosa rubrifolia 6
Rosa rugosa 5
Rosa 'Scrivjean' 5
Rosa sericea subsp. omeiensis f. pteracantha 16
Rosa 'Snow Carpet' 1
Rosa 'Sparrieshoop' 9
Rosa 'Spice' 12
Rosa spinosissima 1
Rosa 'Sprothrive' 24
Rosa 'Stokes' 2
Rosa 5
Rosa 'Sweet Pea' 1
Rosa 'Tanorstar' 3
Rosa 'The Fairy' 2
Rosa 'Tiffany' 2
Rosa 'Tifton' 2
Rosa villosa 10
Rosa 'Wekamanda' 2
Rosa 'Wekcofbunk' 2
Rosa 'Wekcryland' 14
Rosa 'Wekdocpot' 3
Rosa 'Wekfabpu' 3
Rosa 'Wekfabpur' 2
Rosa 'Wekisosblip' 1
Rosa 'Wekmemolo' 1
Rosa 'Wekmoomar' 2
Rosa 'Wekpaltlez' 4
Rosa 'Wekplapep' 19
Rosa 'Wekplapic' 1
Rosa 'Wekscemala' 14
Rosa 'Wekstephitsu' 3
Rosa 'Weksunspat' 6
Rosa 'Wekyoopedko' 5
Rosa 'Wezip' 4
Rosa wichuriana var. poteriifolia 3
Rosa 'Wild Thing' 24
Rosa 'Wings' 1
Rosa 'Witharoma' 4
Rosa woodsii 10
Rosa xanthina f. hugonis 3
Rosa 'ZARSBJOH' 7
Rosa 'Zepherine Drouhin' 8
Rosa 'ZLEeltonStrack' 4
Roscoea 6
Roscoea auriculata 5
Roscoea caulteoides 9
Roscoea cautleyoides 2
Roscoea humeana f. lutea 1
Roscoea humeana 'Rosemoor Plum' 1
Roscoea humeana 'White Sentinel' 1
Roscoea 'Kew Beauty' 2
Roscoea scillifolia 2
Roscoea scillifolia (pink form) 4
Roscoea wardii 3
Rosmarinus 10
Rosmarinus officinalis 16
Rosmarinus officinalis 'Baby PJ' 3
Rosmarinus officinalis 'Barbeque' 8
Rosmarinus officinalis 'Gorizia' 3
Rosmarinus officinalis 'Majorca Pink' 7
Rosmarinus officinalis Prostratus Group 5
Rosmarinus officinalis 'Renzels' 9
Rosmarinus officinalis 'Roman Beauty' 5
Rosmarinus officinalis 'Salem' 1
Rosmarinus officinalis 'Spice Island' 2
Rosmarinus officinalis 'Tuscan Blue' 2
Rostrinucula dependens 22
Rotheca myricoides 2
Roystonea regia 9
Rubus 14
Rubus 'Betty Ashburner' 3
Rubus buergeri 2
Rubus cockburnianus 4
Rubus cockburnianus 'Aurea' 2
Rubus deliciosus 2
Rubus erinaceus 4
Rubus fruticosus 12
Rubus idaeus 4
Rubus idaeus 'Aureus' 3
Rubus irenaeus 4
Rubus lineatus 5
Rubus parviflorus 11
Rubus pectinellus var. trilobus 2
Rubus peltatus 3
Rubus rolfei 23
Rubus rolfei 'Emerald Carpet' 8
Rubus rolfei 'Golden Quilt' 2
Rubus rolfei 'Sonya's Parasol' 11
Rubus spectabilis 'Olympic Double' 5
Rubus squarrosus 2
Rubus taiwanicola 9
Rubus thibetanus 'Silver Fern' 2
Rubus tricolor 3
Rubus ursinus 'Variegatus' 1
Rudbeckia 64
Rudbeckia 'American Gold Rush' 2
Rudbeckia auriculata 4
Rudbeckia 'Early Bird Gold' 2
Rudbeckia fulgida 9
Rudbeckia fulgida var. palustris 1
Rudbeckia fulgida var. sullivantii 'Goldsturm' 22
Rudbeckia glaucescens 4
Rudbeckia heliopsidis 4
Rudbeckia 'Herbstsonne' 1
Rudbeckia hirta 24
Rudbeckia hirta 'Autumn Colors' 2
Rudbeckia hirta 'Cordoba' 2
Rudbeckia hirta 'Fire' 5
Rudbeckia hirta 'Flame' 21
Rudbeckia hirta 'Indian Summer' 9
Rudbeckia hirta 'Pawnee Spirit' 1
Rudbeckia hirta 'Prairie Sun' 5
Rudbeckia hirta 5
Rudbeckia laciniata 16
Rudbeckia maxima 21
Rudbeckia missouriensis 3
Rudbeckia mohrii 2
Rudbeckia nitida 'Herbstsonne' 1
Rudbeckia subtomentosa 1
Rudbeckia subtomentosa 'Henry Eilers' 1
Rudbeckia subtomentosa 'Little Henry' 11
Rudbeckia 'Tiger Eye Gold' 2
Rudbeckia triloba 25
Ruellia 2
Ruellia 'Black Beauty' 5
Ruellia caroliniensis 4
Ruellia elegans 4
Ruellia elegans 'Ragin' Cajun' 2
Ruellia malacosperma 1
Ruellia simplex 14
Ruellia simplex 'Chi Chi' 12
Ruellia simplex 'Katie' 6
Ruellia simplex 'Katie White' 1
Ruellia squarrosa 2
Rumex aquaticus 4
Rumex flexuosus 2
Rumex sanguineus var. sanguineus 2
Rumohra adiantiformis 2
Ruschia 1
Ruschia 'Calvinia Pink' 19
Ruschia indurata 10
Ruschia pulvinaris 3
Ruschia putterillii 1
Ruscus 2
Ruscus aculeatus 10
Ruscus aculeatus var. angustifolius 3
Ruscus aculeatus 'Elizabeth Lawrence' 16
Ruscus aculeatus (Elizabeth Lawrence dwarf) 2
Ruscus aculeatus 'Wheeler's Variety' 5
Ruscus colchicus 1
Ruscus hypoglossum 3
Ruscus hyrcanus 4
Ruscus ×microglossum 6
Ruscus ponticus 2
Russelia equisitiformis 8
Russelia sarmentosa 1
Ruta 1
Ruta corsica 7
Ruta graveolens 7
Ruta graveolens 'Variegata' 2
Sabal 17
Sabal bermudana 2
Sabal 'Birmingham' 4
Sabal 'Blackburniana' 3
Sabal ×brazoriensis 16
Sabal causiarum 4
Sabal etonia 3
Sabal mexicana 6
Sabal minor 43
Sabal minor 'Apalachicola' 1
Sabal minor (dwarf, Wakulla County) 8
Sabal minor 'Hatteras' 1
Sabal minor var. louisiana 10
Sabal minor (McCurtain County, OK) 4
Sabal minor (Talledega County) 3
Sabal palmetto 34
Sabal palmetto (Bald Head Island, NC) 4
Sabal palmetto (Kinston form) 4
Sabal palmetto 'Lisa' 1
Sabal uresana 5
Sabatia angularis 4
Sabatia dodecandra 1
Sabatia kennedyana 'Juniper Creek' 3
Saccharum 5
Saccharum arundinaceum 10
Saccharum officinarum 11
Saccharum officinarum 'Pele's Smoke' 17
Saccharum ravennae 10
Sagina 2
Sagina subulata 6
Sagittaria 5
Sagittaria (Lantou Island) 3
Saintpaulia 49
Salix 73
Salix acutifolia 'Blue Streak' 2
Salix alba 'Britzensis' 3
Salix alba var. sericea 13
Salix alba 'Tristis' 4
Salix alba subsp. vitellina 1
Salix babylonica 68
Salix babylonica 'Crispa' 1
Salix brachycarpa 4
Salix caprea 1
Salix caprea 'Curly Locks' 1
Salix caprea 'Pendula' 6
Salix chaenomeloides 16
Salix chaenomeloides 'Mount Aso' 9
Salix cinerea 'Tricolor' 3
Salix discolor 5
Salix fargesii 3
Salix 'Flame' 25
Salix gooddingii 2
Salix gracilistyla 1
Salix gracilistyla 'Variegata' 1
Salix hookeriana 2
Salix humilis 2
Salix humilis (red flush) 3
Salix humilis var. tristis 6
Salix hylematica 3
Salix integra 'Hakuro' 1
Salix integra 'Hakuro Nishiki' 7
Salix magnifica 3
Salix magnifica × S. fargesii 2
Salix matsudana 'Tortuosa' 4
Salix moupinensis 3
Salix pendulata 3
Salix purpurea 'Nana' 2
Salix reticulata var. nana 6
Salix 'Rubykins' 1
Salix 'Scarcuzam' 1
Salix serpyllifolia 3
Salix 'Swizzlestick' 2
Salix yezoalpina 1
Salpiglossis 5
Salsola 2
Salvia 103
Salvia aethiopis 9
Salvia africana-caerulea 2
Salvia africana-lutea 2
Salvia 'Alegria' 3
Salvia 'Amistad' 12
Salvia 'Anthony Parker' 1
Salvia arborescens 1
Salvia argentea 5
Salvia 'Azure Snow' 3
Salvia azurea 3
Salvia azurea 'Little Boy Blue' 1
Salvia 'Balsalmispim' 46
Salvia 'Balsamisp' 4
Salvia 'Bbsal09001' 22
Salvia 'Blue by You' 3
Salvia 'Blue Chiquita' 1
Salvia buchananii 2
Salvia cadmica 5
Salvia caespitosa 5
Salvia 'California Sunset' 3
Salvia canariensis 'Lancelot' 1
Salvia candelabrum 2
Salvia canescens var. daghestanica 2
Salvia chamaedryoides 22
Salvia chamelaeagnea 2
Salvia 'Cherry Chief' 8
Salvia chiapensis 5
Salvia chinensis 6
Salvia chionophylla 2
Salvia 'Christine Yeo' 2
Salvia 'Church Road' 1
Salvia coccinea 8
Salvia coccinea 'Coral Nymph' 5
Salvia coccinea 'Naples Lavender-Hecker' 5
Salvia coccinea 'Snow Nymph' 3
Salvia coccinea 'Summer Jewel Lavender' 10
Salvia coccinea 'Summer Jewel Pink' 3
Salvia coccinea 'Summer Jewel White' 13
Salvia coccinea 'White' 3
Salvia confertiflora 5
Salvia cyanescens 2
Salvia 'Dancing Dolls' 7
Salvia darcyi 1
Salvia darcyi 'Pscarl' 2
Salvia 'Dark Dancer' 10
Salvia discolor 3
Salvia dorisiana 3
Salvia dorrii 12
Salvia 'Eggben002' 4
Salvia 'Eggben003' 6
Salvia eigii 1
Salvia elegans 5
Salvia elegans 'Frieda Dixon' 4
Salvia elegans 'Golden Delicious' 20
Salvia engelmannii 15
Salvia 'Eveline' 12
Salvia (ex. 'Church Road') 9
Salvia farinacea 19
Salvia farinacea 'Augusta Duelberg' 15
Salvia farinacea 'Blue Bedder' 4
Salvia farinacea 'Evolution' 4
Salvia farinacea 'G14251' 5
Salvia farinacea 2
Salvia farinacea 7
Salvia farinacea 4
Salvia 'Flamenco Rose' 6
Salvia forreri 3
Salvia forsskaolei 3
Salvia 'G14-325' 1
Salvia glabrescens 'Elk Yellow Purple' 10
Salvia glabrescens 'Momobana' 3
Salvia glabrescens 'Shi Ho' 6
Salvia greggii 15
Salvia greggii 'Alba' 7
Salvia greggii 'Balmirrobi' 3
Salvia greggii 'Big Pink' 1
Salvia greggii 'Coral' 3
Salvia greggii 'Desert Blaze' 5
Salvia greggii 'Diane' 22
Salvia greggii (ex. 'Diane') 6
Salvia greggii 'Flame' 12
Salvia greggii 'Grace Pink' 7
Salvia greggii 'Lipstick' 34
Salvia greggii 'Navajo Bright Red' 14
Salvia greggii 'Navajo White' 4
Salvia greggii 'Pink Perfection' 9
Salvia greggii 'Rfd-S016' 5
Salvia greggii 'Rfd-S018' 1
Salvia greggii 'Rfd-S019' 4
Salvia greggii × S. karwinskii 2
Salvia greggii 'Señorita Leah' 6
Salvia greggii 'Sky Blue Pink' 2
Salvia greggii 'Sungold' 3
Salvia greggii 'Teresa' 9
Salvia greggii 'Viva' 5
Salvia guaranitica 17
Salvia guaranitica 'Argentine Skies' 7
Salvia guaranitica 'Black and Bloom' 7
Salvia guaranitica 'Black and Blue' 6
Salvia guaranitica 'Cosquin' 6
Salvia guaranitica 'Van Remsen' 0
Salvia hierosolymitana 1
Salvia 'Holy Queen' 5
Salvia 'Indigo Spires' 8
Salvia involucrata 1
Salvia ×jamensis 'Devantville' 4
Salvia ×jamensis 'Golden Girl' 10
Salvia ×jamensis 'Maraschino' 2
Salvia ×jamensis 'Sierra San Antonio' 5
Salvia japonica 5
Salvia 'Jean's Purple Passion' 10
Salvia koyamae 4
Salvia 'Lemon Light' 1
Salvia leucantha 12
Salvia leucantha 'Eder' 5
Salvia leucantha 'Ferpink' 16
Salvia leucantha 'Greenwood' 1
Salvia leucantha 'Midnight' 30
Salvia leucantha 'Santa Barbara' 3
Salvia leucantha 'White Mischief' 2
Salvia lineata 5
Salvia 'Love and Wishes' 3
Salvia lyrata 'Purple Knockout' 6
Salvia madrensis 9
Salvia madrensis 'Red Neck Girl' 4
Salvia mexicana 'Elise' 5
Salvia mexicana 'Limelight' 59
Salvia mexicana 'Lollie Jackson' 1
Salvia microphylla 4
Salvia microphylla 'Cerro Potosi' 2
Salvia microphylla (deltoid leaf) 2
Salvia microphylla 'Hot Lips' 18
Salvia microphylla 'Red Velvet' 9
Salvia microphylla 'San Carlos Festival' 26
Salvia microphylla 'Wild Watermelon' 3
Salvia microphylla 'Zaragoza' 8
Salvia miltiorrhiza 10
Salvia miniata 2
Salvia moorcroftiana × S. indica 16
Salvia muelleri 2
Salvia 13
Salvia nemorosa 'Blue Hill' 3
Salvia nemorosa 'Caradonna' 6
Salvia nemorosa 'Caramia' 6
Salvia nemorosa 4
Salvia nemorosa 'Lubecca' 3
Salvia nemorosa 'New Dimension Blue' 8
Salvia nemorosa 'Ostfriesland' 1
Salvia nemorosa 4
Salvia nemorosa 'Rosenwein' 2
Salvia 'Newe Ya'ar' 5
Salvia nipponica 12
Salvia nipponica var. formosana 12
Salvia nipponica 'Fuji Snow' 3
Salvia officinalis 6
Salvia officinalis 'Berggarten' 2
Salvia officinalis 'Icterina' 6
Salvia officinalis 'Tricolor' 2
Salvia omeiana 13
Salvia 'Orchid Glow' 2
Salvia oxyphora 20
Salvia pachyphylla 7
Salvia pallida 6
Salvia 'PAS1246577' 1
Salvia patens 7
Salvia patens 'Blue Angel' 7
Salvia 'Penny's Smile' 2
Salvia penstemonoides 19
Salvia 'Phyllis' Fancy' 8
Salvia 'Plum Wine' 4
Salvia puberula 'El Butano' 12
Salvia 'Purple Majesty' 3
Salvia 'Raspberry Delight' 3
Salvia 'Red Letter' 19
Salvia regla (Huntington Botanic Gardens) 2
Salvia regla 'Jame' 32
Salvia regla (Queretaro) 7
Salvia 'Rfd2013-001' 10
Salvia roemeriana 'Hot Trumpets' 2
Salvia 'Royal Bumble' 2
Salvia 'Scarlet Spires' 1
Salvia sclarea 7
Salvia 'Shell Dancer' 2
Salvia sinaloensis 2
Salvia splendens 41
Salvia splendens 'Ablazin Purple' 3
Salvia splendens 'Ablazin Tobasco' 3
Salvia splendens 'Salvation' 17
Salvia splendens 'Van Houttei' 2
Salvia 'Spring King' 10
Salvia ×sylvestris 'Blauhugel' 4
Salvia ×sylvestris 'Mainacht' 4
Salvia thymoides 2
Salvia tomentosa 2
Salvia uliginosa 10
Salvia 'Ultra Violet' 2
Salvia valentina 2
Salvia verticillata 'Purple Rain' 1
Salvia 'Waverly' 3
Salvia 'Wendy's Wish' 3
Salvia 'Yellow Bird' 8
Sambucus 11
Sambucus canadensis 'Acutiloba' 2
Sambucus chinensis 4
Sambucus ebulus 1
Sambucus javanica 12
Sambucus nigra 3
Sambucus nigra 'Aurea' 5
Sambucus nigra 'Aureovariegata' 8
Sambucus nigra 'Eva' 15
Sambucus nigra f. laciniata 1
Sambucus nigra 'Linearis' 4
Sambucus nigra 'Madonna' 1
Sambucus nigra 'Marginata' 5
Sambucus racemosa 7
Sambucus racemosa 'Sutherland Gold' 3
Sanchezia 2
Sanchezia speciosa 7
Sanguinaria canadensis 54
Sanguinaria canadensis f. multiplex 5
Sanguisorba hakusanensis 4
Sanguisorba minor 4
Sanguisorba obtusa 2
Sanguisorba tenuifolia 'Korean Snow' 4
Sanguisorba tenuifolia 'Purpurea' 7
Sanicula arctopoides 4
Sanicula marilandica 6
Sansevieria 9
Santolina 14
Santolina chamaecyparissus 10
Santolina chamaecyparissus 'Little Nicky' 2
Santolina leucantha 2
Santolina pinnata 1
Santolina rosmarinifolia 2
Santolina rosmarinifolia 'Lemon Fizz' 2
Santolina virens 4
Sanvitalia 3
Sanvitalia abertii 7
Sapindus mukorossi 5
Sapindus saponaria var. drummondii 14
Sapium sebiferum 5
Saponaria 1
Saponaria 'Bressingham' 4
Saponaria cypria 12
Saponaria ×lempergii 'Max Frei' 2
Saponaria officinalis 3
Saponaria officinalis 'Rosea Plena' 7
Saponaria pulvinaris 4
Sarcandra 2
Sarcandra glabra 16
Sarcandra glabra 'Seiho' 4
Sarcobatus vermiculatus 3
Sarcococca 10
Sarcococca confusa 6
Sarcococca hookeriana 14
Sarcococca hookeriana var. digyna 9
Sarcococca hookeriana var. digyna (ABG variegated form) 2
Sarcococca hookeriana var. digyna 'Sarsid1' 2
Sarcococca hookeriana var. digyna 'Sarsid2' 5
Sarcococca hookeriana var. digyna 'Western Hills' 3
Sarcococca hookeriana var. hookeriana 9
Sarcococca orientalis 9
Sarcococca ruscifolia 10
Sarcococca ruscifolia var. chinensis 'Dragon Gate' 5
Sarcococca saligna 10
Sarcococca wallichii 2
Sargentodoxa cuneata 4
Saritaea magnifica 1
Sarracenia 99
Sarracenia ×ahlesii 1
Sarracenia alabamensis 1
Sarracenia alata 5
Sarracenia 'Case's Resolve' 5
Sarracenia ×catesbaei 3
Sarracenia 'Daina's Delight' 1
Sarracenia 'Doodlebug' 1
Sarracenia flava 45
Sarracenia leucophylla 7
Sarracenia leucophylla 'Tarnok' 2
Sarracenia minor 7
Sarracenia oreophila 9
Sarracenia psittacina 2
Sarracenia purpurea 30
Sarracenia rubra 13
Sarracenia rubra subsp. jonesii 2
Sarracenia 'Sunburst' 1
Sarracenia ×wrigleyana 'Scarlet Belle' 3
Saruma henryi 21
Sasa 2
Sasa veitchii 27
Sasaella masumuneana f. albostriata 2
Sassafras albidum 26
Sassafras randaiense 1
Sassafras tzumu 54
Satureja spinosa 1
Satureja thymbra 2
Sauromatum giganteum 4
Sauromatum horsfieldii 'Lancelot' 4
Sauromatum venosum 19
Sauromatum venosum 'Indian Giant' 5
Saururus 1
Saururus cernuus 15
Saururus cernuus 'Hertford Streaker' 3
Saxegothaea conspicua 1
Saxifraga 24
Saxifraga 15
Saxifraga 14
Saxifraga 'Benesov' 2
Saxifraga 'Bohunka' 2
Saxifraga callosa 1
Saxifraga cochlearis 'Minor' 1
Saxifraga cortusifolia 'Beni Nishiki' 1
Saxifraga cortusifolia (murasaki) 1
Saxifraga epiphylla (Gotemba form) 1
Saxifraga exarata subsp. moschata 1
Saxifraga flagellaris subsp. crandallii 4
Saxifraga fortunei 'Silver Velvet' 1
Saxifraga juniperifolia 1
Saxifraga 'King Charles IV' 1
Saxifraga longifolia 3
Saxifraga 'Lutea' 2
Saxifraga micranthidifolia 2
Saxifraga 'Miss Chambers' 2
Saxifraga odontoloma 5
Saxifraga paniculata 2
Saxifraga rhomboidea 20
Saxifraga rosacea 3
Saxifraga stolonifera 20
Saxifraga stolonifera 'Aurea' 2
Saxifraga stolonifera (dark leaf) 5
Saxifraga stolonifera 'Fred Galle' 1
Saxifraga stolonifera 'Hope's Wine' 4
Saxifraga stolonifera 'Maroon Beauty' 6
Saxifraga 'Thalia' 1
Saxifraga ×urbium 'Aureopunctata' 2
Saxifraga veitchiana 1
Saxifraga virginiensis 14
Scabiosa 2
Scabiosa atropurpurea 2
Scabiosa columbaria 1
Scabiosa columbaria 'Butterfly Blue' 4
Scabiosa crenata subsp. breviscapa 3
Scabiosa farinosa 2
Scabiosa lucida 2
Scabiosa owerinii 2
Scabiosa 'Pink Mist' 2
Scabiosa 'Vivid Violet' 4
Scadoxus 1
Scadoxus cinnabarinus 1
Scadoxus multiflorus 2
Scadoxus puniceus 'Magnificus' 2
Scaevola aemula 1
Scaevola aemula 'Blue Wonder' 1
Scaevola aemula 'Bomy Laver' 2
Scaevola aemula 'Bomy Whit' 1
Scaevola aemula 'Scala Blue' 14
Scaevola aemula 'Scawihatis' 2
Scaevola aemula 'Whirlwind White' 2
Scaevola 2
Scandia rosifolia 2
Schefflera 12
Schefflera alpina 4
Schefflera arboricola 3
Schefflera bodinieri 1
Schefflera delavayi 55
Schefflera digitata 1
Schefflera fantsipanensis 1
Schefflera fengii 2
Schefflera gracilis 4
Schefflera heptaphylla 11
Schefflera hoi 2
Schefflera macrophylla 4
Schefflera aff. minutistellata 7
Schefflera multinervia 3
Schefflera rhododendrifolia 2
Schefflera taiwaniana 21
Schefflera taiwaniana × S. gracilis 3
Schima 1
Schima argentea 3
Schima khasiana 3
Schima superba 8
Schima wallichii 5
Schima wallichii subsp. brevifolia 3
Schinus gracilipes 5
Schinus longifolia 1
Schisandra 2
Schisandra arisanensis 7
Schisandra chinensis 1
Schisandra elongata 5
Schisandra grandiflora 4
Schisandra incarnata 7
Schisandra propinqua 3
Schisandra repanda 2
Schisandra rubriflora 'Bodnant Redberry' 5
Schisandra sphaerandra 2
Schivereckia doerfleri 2
Schizachyrium scoparium 'Carousel' 5
Schizachyrium scoparium 'Minnbluea' 2
Schizachyrium scoparium var. scoparium 'Blaze' 1
Schizachyrium scoparium var. scoparium 'The Blues' 7
Schizachyrium scoparium 'Standing Ovation' 13
Schizanthus 7
Schizophragma 5
Schizophragma corylifolium 10
Schizophragma hydrangeoides 30
Schizophragma hydrangeoides 'Ivory Majik' 2
Schizophragma hydrangeoides 'Iwa garami' 1
Schizophragma hydrangeoides 'Moonlight' 22
Schizophragma hydrangeoides 'Roseum' 9
Schizophragma hydrangeoides 'Strawberry Leaf' 6
Schizophragma hydrangeoides var. taqueti 'Cheju's Early' 1
Schizophragma integrifolium var. fauriei 4
Schizophragma integrifolium var. glaucescens 2
Schizophragma integrifolium var. integrifolium 13
Schizophragma megalocarpum 3
Schlegelia parasitica 3
Schlumbergera 8
Schlumbergera bridgesii 3
Schlumbergera truncata 4
Schoenocrambe linearifolia 4
Schoenoplectus lacustris subsp. tabernaemontani 'Albescens' 1
Sciadopitys 2
Sciadopitys verticillata 55
Sciadopitys verticillata 'Delighted Dwarf' 1
Sciadopitys verticillata 'Grune Kugel' 1
Sciadopitys verticillata 'Joe Kozey' 2
Sciadopitys verticillata 'Mecki' 2
Sciadopitys verticillata 'Ossorio Gold' 3
Sciadopitys verticillata 'Pete Demos' 1
Sciadopitys verticillata 'Richie's Cushion' 1
Sciadopitys verticillata 'Sternschnuppe' 5
Sciadopitys verticillata 'Variegata' 3
Scilla 6
Scilla bifolia 15
Scilla bifolia 'Rosea' 10
Scilla hyacinthoides 13
Scilla hyacinthoides 'Blue Arrow' 1
Scilla litardierei 2
Scilla mischtschenkoana 37
Scilla nervosa (AiSA-076) 1
Scilla numidica 6
Scilla peruviana 26
Scilla peruviana 'White Moon' 2
Scilla scilloides 9
Scilla siberica 8
Scilla siberica 'Alba' 1
Scilla siberica 'Spring Beauty' 3
Scleranthus biflorus 1
Scleranthus uniflorus 2
Scoliopus bigelovii 3
Scrophularia aquatica 'Variegata' 2
Scrophularia buergeriana 'Lemon and Lime' 1
Scrophularia grandiflora 2
Scrophularia oregana 4
Scutellaria 3
Scutellaria costaricana 2
Scutellaria diffusa 6
Scutellaria incana 2
Scutellaria indica 1
Scutellaria integrifolia 1
Scutellaria mellichampii 'Bluffton Blues' 2
Scutellaria montana 4
Scutellaria orientalis subsp. oreophila 'Lilac Lullaby' 1
Scutellaria ovata 14
Scutellaria przewalskii 2
Scutellaria 'Red Fountain' 1
Scutellaria resinosa 1
Scutellaria rubicunda 4
Scutellaria 'Starrfire' 2
Scutellaria suffrutescens 4
Scutellaria suffrutescens 'Texas Rose' 17
Scutellaria 'Violet Cloud' 11
Sedum 99
Sedum acre 4
Sedum acre 'Oktoberfest' 3
Sedum aizoon 'Euphorbioides' 4
Sedum album 3
Sedum confusum 17
Sedum diffusum 2
Sedum divergens 1
Sedum ellacombianum 'Cutting Edge' 1
Sedum emarginatum 'Eco-Mt. Emei' 10
Sedum grisebachii 3
Sedum hispanicum 1
Sedum hispanicum var. minus 'Purple Form' 2
Sedum japonicum 10
Sedum japonicum var. senanense 3
Sedum lanceolatum 19
Sedum 'Lemon Ball' 1
Sedum 'Lime Zinger' 1
Sedum lineare 2
Sedum lineare 'Golden Teardrop' 4
Sedum lineare 'Variegatum' 10
Sedum makinoi 'Ogon' 4
Sedum makinoi f. variegatum 3
Sedum mexicanum 2
Sedum moranense subsp. grandiflorum 2
Sedum morganianum 3
Sedum nokoense 10
Sedum 'Noniw' 2
Sedum oxypetalum 2
Sedum pallidum 5
Sedum palmeri 5
Sedum 'Plum Dazzled' 1
Sedum reflexum 'Blue Spruce' 6
Sedum 'Rosetta' 3
Sedum ×rubrotinctum 2
Sedum 'Ruby Glow' 5
Sedum sexangulare 4
Sedum sieboldii 13
Sedum spathulifolium 29
Sedum (Sweet Tea mix) 6
Sedum ternatum 7
Sedum tetractinum 6
Sedum 'TNSEDDM' 2
Sedum 'Wildfire' 1
Seemannia 'Little Red' 34
Seemannia nematanthodes 'Evita' 39
Seemannia purpurescens 2
Seemannia purpurescens 'Purple Prince' 8
Seemannia sylvatica 1
Seemannia sylvatica 'Bolivian Sunset' 4
Selaginella 10
Selaginella braunii 3
Selaginella densa 1
Selaginella cf. eremophila 3
Selaginella aff. eremophila 1
Selaginella involvens 2
Selaginella kraussiana 'Aurea' 5
Selaginella pallescens 2
Selaginella pallescens 2
Selaginella pallescens (variegated) 4
Selaginella peruviana 2
Selaginella sanguinolenta var. compressa 1
Selaginella tamariscina 'Golden Sprite' 2
Selaginella tamariscina (green) 1
Selaginella tamariscina (red) 1
Selaginella tamariscina (red form) 3
Selaginella tamariscina (yellow tips) 1
Selaginella tortipila 2
Selaginella uncinata 9
Selaginella underwoodii 2
Semele androgyna 5
Semiaquilegia adoxoides 22
Sempervivum 65
Sempervivum allionii 1
Sempervivum 'Amanda' 3
Sempervivum arachnoideum 1
Sempervivum arachnoideum 'Emily' 2
Sempervivum 'Aross' 1
Sempervivum calcareum 'Greenii' 1
Sempervivum cantabricum × S. montanum var. stiriacum 1
Sempervivum 'Carmen' 6
Sempervivum ciliosum 1
Sempervivum 'Commander Hay' 1
Sempervivum 'Crispin' 14
Sempervivum 'Emerald Empress' 1
Sempervivum 'Fire Bird' 3
Sempervivum 'Fuego' 3
Sempervivum 'Gold Nugget' 1
Sempervivum 'Green Wheel' 1
Sempervivum heuffelii 'Apache' 1
Sempervivum heuffelii 'Gold Bug' 1
Sempervivum heuffelii 'Sundancer' 1
Sempervivum 'Hopewell' 1
Sempervivum 'Jade' 2
Sempervivum 'Jade Rose' 1
Sempervivum 'Kalinda' 2
Sempervivum 'Lavender and Old Lace' 2
Sempervivum 'Legolas' 2
Sempervivum 'Magnificum' 2
Sempervivum 'Neptune' 1
Sempervivum 'Oh My' 15
Sempervivum 'Othello' 4
Sempervivum 'Pacific Blue Ice' 1
Sempervivum 'Pacific Devils Food' 1
Sempervivum 'Pixie' 1
Sempervivum 'Pumaros' 1
Sempervivum 'Purple Beauty' 1
Sempervivum 'Red Beauty' 2
Sempervivum 'Red Heart' 19
Sempervivum 'Red Rubin' 4
Sempervivum 'Reinhard' 1
Sempervivum 'Rocknoll Rosette' 2
Sempervivum 'Rubicon Improved' 2
Sempervivum 'Sir William Lawrence' 1
Sempervivum 'Soft Line' 1
Sempervivum 'Spice' 2
Sempervivum 'Spring Beauty' 1
Sempervivum 'Sunset' 1
Sempervivum tectorum 'Sunset' 3
Sempervivum 'Unicorn' 1
Sempervivum 'Urmina' 1
Senecio 6
Senecio amplectens var. holmii 1
Senecio aschenbornianus 8
Senecio atratus 2
Senecio bigelovii 3
Senecio cineraria 62
Senecio fremontii subsp. blitoides 5
Senecio ×hybridus 2
Senecio mandraliscae 2
Senecio oldhamianus 2
Senecio triangularis 2
Senecio tropaeolifolius 1
Senegalia greggii 2
Senna 6
Senna alata 11
Senna corymbosa 23
Senna hebecarpa 5
Senna marilandica 5
Senna polyphylla 2
Sequoia 3
Sequoia sempervirens 128
Sequoia sempervirens 'Adpressa' 5
Sequoia sempervirens 'Albospicata' 3
Sequoia sempervirens 'Aptos Blue' 2
Sequoia sempervirens 'Henderson Blue' 6
Sequoia sempervirens 'Kelly's Prostrate' 2
Sequoia sempervirens 'Loma Prieta Spike' 2
Sequoia sempervirens 'Prostrata' 3
Sequoia sempervirens 'Soquel' 8
Sequoia sempervirens 'Swarthmore Hardy' 5
Sequoiadendron 2
Sequoiadendron giganteum 71
Sequoiadendron giganteum 'Barabits Requiem' 4
Sequoiadendron giganteum 'Hazel Smith' 3
Sequoiadendron giganteum 'Pendulum' 30
Serenoa repens 16
Serissa 1
Serissa japonica 11
Serissa japonica 'Apple Blossom' 21
Serissa japonica 'Bumble Bee Delight' 8
Serissa japonica (dwarf pink) 5
Serissa japonica 'Kowloon' 2
Serissa japonica 'Kyoto' 13
Serissa japonica 'Pink Mountain' 2
Serissa japonica 'Sapporo' 15
Serissa japonica 'Variegata' 2
Serissa japonica 'White Swan' 18
Seseli gummiferum 3
Setaria palmifolia 3
Setaria palmifolia 'Rubra Variegata' 1
Severinia buxifolia 3
Shepherdia argentea 2
Shortia galacifolia 11
Sibbaldia procumbens 7
Sibbaldiopsis tridentata 1
Sidalcea 3
Sidalcea campestris 5
Sidalcea candida 3
Sidalcea malviflora 1
Sidalcea oregana 1
Sideritis cypria 1
Sideroxylon alachuense 2
Sideroxylon lycioides 4
Silene 14
Silene acaulis 2
Silene acaulis var. subacaulescens 10
Silene armeria 2
Silene campanulata 2
Silene caroliniana 'Bubble Gum' 7
Silene caroliniana subsp. wherryi 4
Silene caroliniana subsp. wherryi 'Short and Sweet' 13
Silene dioica 1
Silene dioica 'Clifford Moor' 1
Silene dioica 'Ray's Golden' 6
Silene flos-cuculi 2
Silene hookeri 3
Silene linnaeana 1
Silene 'Longwood' 2
Silene paradoxa 2
Silene regia 2
Silene 'Rockin' Robin' 2
Silene samojedorum 1
Silene saxifraga 4
Silene stellata 6
Silene 'Streaker' 11
Silene uniflora 'Druett's Variegated' 2
Silene virginica 18
Silene yunnanensis 6
Silphium asteriscus 2
Silphium gracile 6
Silphium laciniatum 4
Silphium perfoliatum 25
Silphium terebinthinaceum 13
Silphium wasiotense 4
Silybum marianum 13
Sinapis alba 1
Sinningia 3
Sinningia araneosa 3
Sinningia 'Arkansas Bells' 16
Sinningia 'Bananas Foster' 24
Sinningia 'Butter and Cream' 21
Sinningia 'California Gold' 2
Sinningia 'Candy Corn' 13
Sinningia 'Carolyn' 7
Sinningia conspicua 1
Sinningia curtiflora 2
Sinningia eumorpha 25
Sinningia 'Georgia Peach' 6
Sinningia leucotricha 2
Sinningia 'Lovely' 14
Sinningia 'Pink Pockets' 5
Sinningia 'Scarlet O'Hara' 20
Sinningia sellovii 57
Sinningia sellovii 'Purple Rain' 4
Sinningia speciosa 10
Sinningia speciosum 'Carangola' 4
Sinningia 'Tante' 2
Sinningia 'Towering Inferno' 3
Sinningia tubiflora 15
Sinofranchetia chinensis 4
Sinojackia rehderiana 11
Sinojackia xylocarpa 6
Sinojackia xylocarpa 'La Grima' 55
Sinojackia xylocarpa 'Linda Carol' 3
Sinopanax formosanus 16
Sisyrinchium 10
Sisyrinchium angustifolium 7
Sisyrinchium angustifolium 'Lucerne' 6
Sisyrinchium angustifolium 'Suwanee' 1
Sisyrinchium bellum 4
Sisyrinchium bermudianum 2
Sisyrinchium 'Devon Skies' 3
Sisyrinchium iridifolium 4
Sisyrinchium macrocarpum 4
Sisyrinchium minus 2
Sisyrinchium palmifolium 22
Sisyrinchium 'Quaint and Queer' 2
Sisyrinchium striatum 3
Sisyrinchium striatum 'Aunt May' 5
Skimmia 10
Skimmia ×foremanii (dwarf female) 2
Skimmia japonica 25
Skimmia japonica var. distincte-venulosa 3
Skimmia japonica 'Leucocarpa' 3
Skimmia japonica subsp. reevesiana 10
Skimmia japonica 'Rubella' 1
Sloanea sinensis 2
Smelowskia calycina 11
Smilax 11
Smilax laurifolia 2
Smilax nana 17
Smilax smallii 1
Solandra nitida 2
Solanum 9
Solanum aculeatissimum 2
Solanum atropurpureum 12
Solanum aviculare 6
Solanum crispum 8
Solanum crispum 'Glasnevin' 6
Solanum dulcamara 4
Solanum laciniatum 10
Solanum laxum 8
Solanum laxum 'Album' 5
Solanum lycopersicum 102
Solanum lycopersicum 'Little Bing' 10
Solanum lycopersicum 'Rocola Chocolate' 9
Solanum lycopersicum 'Rocola Salmon' 4
Solanum lycopersicum 'Rocola Stripe' 4
Solanum lycopersicum 'Tidy Rose' 6
Solanum mammosum 4
Solanum mauritianum 3
Solanum melongena 5
Solanum melongena 'Golden Egg' 3
Solanum melongena 'Jewel Amethyst' 18
Solanum melongena 'Jewel Ivory' 7
Solanum melongena 'Jewel Jade' 13
Solanum nitidum 2
Solanum pseudocapsicum 9
Solanum pyracanthifolia 3
Solanum quitoense 31
Solanum quitoense (thornless) 5
Solanum rantonnetii 3
Solanum tuberosum 16
Soleirolia soleirolii 1
Solenostemon 96
Solenostemon scutellarioides 55
Solenostemon scutellarioides 'Alabama Sunset' 1
Solenostemon scutellarioides 'Balcovino' 9
Solenostemon scutellarioides 1
Solenostemon scutellarioides 1
Solenostemon scutellarioides 2
Solenostemon scutellarioides 1
Solenostemon scutellarioides 'Crimson Velvet' 4
Solenostemon scutellarioides 'Dark Star' 1
Solenostemon scutellarioides 'Defiance' 1
Solenostemon scutellarioides 'Duckfoot' 1
Solenostemon scutellarioides 'El Brighto' 1
Solenostemon scutellarioides 'Fishnet Stockings' 4
Solenostemon scutellarioides 'Kakegawa Ce10' 8
Solenostemon scutellarioides 'Orange King' 1
Solenostemon scutellarioides 'Saturn' 1
Solenostemon scutellarioides 'Sedona' 5
Solenostemon scutellarioides 'Sibila' 1
Solenostemon scutellarioides 'Uf08-19-10' 7
Solenostemon scutellarioides 'Uf0843' 8
Solenostemon scutellarioides 'Uf09-8-37' 15
Solenostemon scutellarioides 'Uf12-62-2' 15
Solenostemon scutellarioides 'Uf12-73-5' 8
Solenostemon scutellarioides 'Uf12-82-3' 7
Solenostemon scutellarioides 'Uf14-24-1' 8
Solenostemon scutellarioides 'UFO6419' 1
Solidago 36
Solidago caesia 2
Solidago 'Crown of Rays' 1
Solidago rugosa 'Fireworks' 6
Solidago shortii 'Solar Cascade' 16
Solidago simplex 3
Solidago sphacelata 'Golden Fleece' 3
Solidago cf. stricta 3
Sonchus kirkii 2
Sophora 1
Sophora davidii 33
Sophora flavescens 1
Sophora flavescens var. angustifolia 1
Sophora fulvida 2
Sophora howinsula 'Gnome' 2
Sophora koreensis 21
Sophora microphylla 2
Sophora tetraptera 1
Sophora tomentosa 5
×Sophrolaeliocattleya Hazel Boyd 'Debbie' 1
Sorbaria 2
Sorbaria sorbifolia 15
Sorbaria sorbifolia 'Sem' 1
Sorbaria tomentosa var. angustifolia 2
×Sorbocotoneaster pozdnjakovii 1
Sorbus 12
Sorbus alnifolia 7
Sorbus aucuparia 8
Sorbus aucuparia lusimarta 1
Sorbus commixta 13
Sorbus domestica var. pyraforma 2
Sorbus dunnii 1
Sorbus esserteauana 2
Sorbus aff. filipes 3
Sorbus forrestii 2
Sorbus gongashanica 4
Sorbus harrowiana 5
Sorbus ×hostii 3
Sorbus hupehensis 1
Sorbus prattii 3
Sorbus randaiensis 1
Sorbus reducta 2
Sorbus sargentiana 3
Sorbus scopulina 7
Sorbus setschwanensis 4
Sorbus 'Wilfrid Fox' 2
Sorghastrum nutans 'Indian Steel' 7
Sparaxis 1
Spartina bakeri 9
Spartium junceum 10
Spathiphyllum 2
Speirantha gardenii 7
Spergularia maritima 4
Sphaeralcea 13
Sphaeralcea ambigua 2
Sphaeralcea coccinea 7
Sphaeralcea coccinea 'Orange Crush' 10
Sphaeralcea fendleri 1
Sphaeralcea 'Shell Pink' 18
Sphaeropteris cooperi 6
Sphagneticola trilobata 2
Sphagnum 5
Sphagnum compactum 1
Sphenomeris chinensis 3
Spigelia gentianoides 3
Spigelia gentianoides var. alabamensis 10
Spigelia marilandica 30
Spigelia marilandica (Jasper Co. GA, Jones Rd form) 2
Spiraea 23
Spiraea blumei 1
Spiraea ×bumalda 'Bl0601' 8
Spiraea ×bumalda 'Monby' 6
Spiraea cantoniensis 5
Spiraea ×cinerea 'Grefsheim' 20
Spiraea (CP 11 DS 437) 3
Spiraea crenata 10
Spiraea douglasii 1
Spiraea formosana 2
Spiraea fritschiana 4
Spiraea fritschiana 'Wilma' 6
Spiraea henryi 5
Spiraea japonica 15
Spiraea japonica 'Abigail' 9
Spiraea japonica var. bullata 12
Spiraea japonica 'Candle Light' 4
Spiraea japonica 'Dart's Red' 1
Spiraea japonica 'Dolchica' 2
Spiraea japonica 'Fire Light' 3
Spiraea japonica 'Flaming Mound' 10
Spiraea japonica 'Galen' 1
Spiraea japonica 'Golden Elf' 13
Spiraea japonica 'Goldflame' 2
Spiraea japonica 'Goldmound' 1
Spiraea japonica 'Lemon Princess' 4
Spiraea japonica 'Little Princess' 5
Spiraea japonica 'Matgold' 1
Spiraea japonica 'Mertyann' 2
Spiraea japonica 'Nana' 2
Spiraea japonica 'Ncsx1' 33
Spiraea japonica 'Ncsx2' 2
Spiraea japonica 'Norman' 2
Spiraea japonica 'Rebum' 8
Spiraea japonica 'Shibori' 22
Spiraea japonica 'SMNSJMFR' 9
Spiraea japonica 'Thumbelina' 8
Spiraea japonica 'Tracy' 9
Spiraea japonica 'Walbuma' 1
Spiraea japonica 'White Gold' 6
Spiraea media 2
Spiraea miyabei 3
Spiraea nipponica 'Verspi 1' 8
Spiraea prunifolia 8
Spiraea salicifolia 2
Spiraea thunbergii 8
Spiraea thunbergii 'Fujino Pink' 10
Spiraea thunbergii 'Mount Fuji' 14
Spiraea thunbergii 'Ogon' 29
Spiraea tomentosa 10
Spiraea trilobata 6
Spiraea trilobata 'Fairy Queen' 4
Spiraea ×vanhouttei 3
Spiraea ×vanhouttei 'Catpan' 12
Spiraea ×vanhouttei 'Levgold' 3
Spiraea virginiana 5
Spiranthes bightensis 'Chadd's Ford' 2
Spiranthes cernua var. odorata 2
Spiranthes longilabris 9
Spiranthes praecox 1
Spiranthes vernalis 13
Sporobolus heterolepis 8
Sporobolus wrightii 9
Sprekelia 1
Sprekelia formosissima 11
Sprekelia 'Lowe Down' 7
Stachys 4
Stachys byzantina 24
Stachys byzantina 'Balstaclamb' 1
Stachys byzantina 'Big Ears' 5
Stachys byzantina 'Primrose Heron' 2
Stachys byzantina 'Silver Carpet' 4
Stachys coccinea 'Hot Spot Coral' 4
Stachys 'Hummelo' 0
Stachys macrantha 5
Stachys minor (white) 4
Stachys officinalis 4
Stachys sieboldii 2
Stachytarpheta jamaicensis 3
Stachytarpheta mutabilis 2
Stachytarpheta mutabilis 'Coral' 2
Stachytarpheta mutabilis 'Variegata' 2
Stachyurus 8
Stachyurus 'Carolina Parakeet' 11
Stachyurus chinensis 14
Stachyurus chinensis (gold form of 'Joy Forever') 7
Stachyurus chinensis 'Joy Forever' 4
Stachyurus chinensis var. latus 3
Stachyurus chinensis var. latus (purple leaf) 2
Stachyurus himalaicus 23
Stachyurus aff. himalaicus 1
Stachyurus 'Magpie' 12
Stachyurus praecox 40
Stachyurus praecox 'Aureomarginata' 3
Stachyurus praecox 'Aureovariegata' 1
Stachyurus praecox 'Dyan' 1
Stachyurus praecox 'Issai' 37
Stachyurus praecox 'Marginata' 1
Stachyurus praecox var. matsuzakii 8
Stachyurus praecox 'Palmengarten' 5
Stachyurus praecox (purple leaf) 1
Stachyurus praecox 'Rubriflora' 19
Stachyurus praecox 'Sterling Silver' 31
Stachyurus praecox 'Variegata' 19
Stachyurus praecox (variegated) 1
Stachyurus praecox 'Yoharu' 1
Stachyurus salicifolius 9
Stachyurus cf. salicifolius 3
Stachyurus sigeyosii 12
Stachyurus szechuanensis 4
Stachyurus yunnanensis 5
Stachyurus cf. yunnanensis 2
Stahlianthus involucratus 7
Stanhopea oculata 4
Stanleya pinnata 12
Staphylea 4
Staphylea bumalda 2
Staphylea colchica 5
Staphylea colchica 'Coulomberi' 2
Staphylea pinnata 1
Staphylea trifolia 5
Stauntonia 2
Stauntonia 1
Stauntonia angustifolia 2
Stauntonia brachyandra 2
Stauntonia coriacea 2
Stauntonia hexaphylla 11
Stauntonia hexaphylla 'Cartwheel' 13
Stauntonia latifolia 2
Stauntonia latifolia subsp. latifolia 4
Stauntonia linearifolia 4
Stauntonia yaoshanensis 2
Stauntonia (yellow fruit) 2
Steironema lanceolatum 3
Stellaria pubera 7
Stemodia lanata 6
Stenanthium densum 4
Stenotaphrum secundatum 1
Stenotaphrum secundatum 'Variegatum' 1
Stephanandra chinensis 11
Stephanandra incisa 'Crispa' 8
Sterculia apetala 2
Sternbergia lutea 7
Sternbergia sicula 1
Steudnera (A1VT-183) 2
Stevia 1
Stewartia 23
Stewartia ×henryae 'Skyrocket' 10
Stewartia malacodendron 21
Stewartia monadelpha 17
Stewartia monadelpha (Yamaguchi dwarf) 3
Stewartia ovata 2
Stewartia pseudocamellia 34
Stewartia pseudocamellia Koreana Group 9
Stewartia pseudocamellia 'Yoekemae' 1
Stewartia rostrata 30
Stewartia 'Scarlet Sentinel' 3
Stewartia serrata 4
Stewartia sinensis 6
Stewartia sinensis var. sinensis 22
Stewartia (variegated) 1
Stipa gigantea 8
Stipa lessingiana 'Capriccio' 8
Stipa neaei 2
Stipa zalesskii 2
Stokesia laevis 23
Stokesia laevis 'Blue Danube' 1
Stokesia laevis 'Honeysong Purple' 3
Stokesia laevis 'Mary Gregory' 1
Stokesia laevis 'Peachie's Pick' 1
Stokesia laevis (purple) 1
Stokesia laevis 'Purple Parasols' 2
Stokesia laevis 'Silver Moon' 1
Stokesia laevis 'Traumerei' 6
Stomatium agninum 3
Stomatium mutilinum 12
Strelitzia 25
Strelitzia juncea 5
Strelitzia nicolai 3
Strelitzia reginae 15
Streptocarpus 4
Streptocarpus cooksonii 2
Streptopus amplexifolius var. chalazatus 3
Streptosolen jamesonii 10
Strobilanthes atropurpureus 3
Strobilanthes attenuata 4
Strobilanthes dyerianus 7
Strobilanthes urticifolia 2
Stromanthe sanguinea 'Triostar' 1
Strophanthus 2
Stylomecon heterophylla 2
Stylophorum diphyllum 21
Stylophorum lasiocarpum 2
Styphnolobium affine 34
Styphnolobium japonicum 28
Styphnolobium japonicum 'Pendula' 17
Styphnolobium japonicum 'Winter Gold' 10
Styrax 22
Styrax americanus 3
Styrax americanus 'Baby Blue' 11
Styrax americanus var. pulverulentus 3
Styrax argenteus 1
Styrax calvescens 4
Styrax dasyanthus 4
Styrax formosanus 9
Styrax formosanus var. formosanus 3
Styrax grandifolius 6
Styrax hemsleyanus 12
Styrax huanus 0
Styrax japonicus 31
Styrax japonicus Benibana Group 1
Styrax japonicus 'Carillon' 9
Styrax japonicus 'Compact Pink' 2
Styrax japonicus 'Crystal' 25
Styrax japonicus (dwarf) 1
Styrax japonicus 'Emerald Pagoda' 40
Styrax japonicus 'Evening Light' 22
Styrax japonicus 'Fargesii' 4
Styrax japonicus 'Fragrant Fountain' 11
Styrax japonicus 'Frosted Emerald' 5
Styrax japonicus (Guiz 216) 1
Styrax japonicus 'Lady Bell' 3
Styrax japonicus 'Pink Chimes' 5
Styrax japonicus Rubra Pendula Group 33
Styrax japonicus 'Snowfall' 5
Styrax japonicus 'Spring Showers' 2
Styrax japonicus (Yamaguchi dwarf) 3
Styrax limprichtii 1
Styrax obassia 27
Styrax obassia 'Ookigumo' 3
Styrax obassia 'Suzuki Starburst' 2
Styrax officinalis 1
Styrax philadelphoides 2
Styrax platanifolius subsp. texanus 21
Styrax serrulatus 5
Styrax shiraianus 6
Styrax suberifolius 2
Styrax tonkinensis 5
Styrax aff. tonkinensis 0
Styrax wilsonii 21
Succisa pratensis 2
Sundacarpus amarus 2
Sutera cordata 'Balmecowhite' 4
Syagrus romanzoffiana 4
×Sycoparrotia semidecidua 32
×Sycoparrotia semidecidua 'Purple Haze' 9
Sycopsis sinensis 22
Sycopsis sinensis (prostrate form) 3
Sycopsis sinensis 'Variegata' 15
Sycopsis tutcheri 2
Symphoricarpos 12
Symphoricarpos albus 12
Symphoricarpos ×doorenbosii 'Magic Berry' 8
Symphoricarpos ×doorenbosii 'Mother of Pearl' 1
Symphoricarpos ×doorenbosii 'Pink Magic' 23
Symphoricarpos 'Kolmcan' 2
Symphoricarpos orbiculatus 'Central Avenue' 5
Symphoricarpos orbiculatus 'Foliis Variegatis' 2
Symphoricarpos rotundifolius 8
Symphyotrichum cordifolium 4
Symphyotrichum dumosum 2
Symphyotrichum ericoides 5
Symphyotrichum ericoides 'Pink Star' 4
Symphyotrichum ericoides 'Schneegitter' 7
Symphyotrichum lateriflorum 1
Symphyotrichum novae-angliae 'Purple Dome' 3
Symphyotrichum novae-angliae 'Vibrant Dome' 2
Symphyotrichum oblongifolium 13
Symphyotrichum oblongifolium 'October Skies' 6
Symphyotrichum oblongifolium 'Raydon's Favorite' 8
Symphytum 'Goldsmith' 1
Symphytum officinale 1
Symphytum ×uplandicum 'Axminster Gold' 13
Symplocarpus foetidus 14
Symplocos 1
Symplocos chinensis (gold margin) 1
Symplocos paniculata 10
Symplocos pilosa 1
Symplocos stellaris 3
Symplocos aff. stellaris 4
Syneilesis aconitifolia 30
Syneilesis aconitifolia (crested) 1
Syneilesis aconitifolia 'Silver Heaven' 1
Syneilesis aconitifolia 'Spotted Shiahigei' 1
Syneilesis aconitifolia (T-89/04) 3
Syneilesis palmata 3
Syneilesis palmata (gold) 1
Syneilesis palmata 'Kikko' 4
Syneilesis subglabrata 2
Syringa 46
Syringa 'Asessippi' 2
Syringa 'Betsy Ross' 34
Syringa ×chinensis 'Lilac Sunday' 1
Syringa emodi 1
Syringa 'G13103' 15
Syringa ×hyacinthiflora 'Maiden's Blush' 5
Syringa ×josiflexa 3
Syringa josikaea 1
Syringa julianae 'Hers Variety' 1
Syringa komarowii 4
Syringa ×laciniata 22
Syringa meyeri var. spontanea 'Palibin' 6
Syringa oblata [Alba Group] 'Frank Meyer' 9
Syringa oblata subsp. dilatata 66
Syringa pekinensis 'WFH2' 3
Syringa 'Penda' 37
Syringa pubescens subsp. microphylla 3
Syringa pubescens subsp. patula 13
Syringa pubescens subsp. patula 'Miss Kim' 6
Syringa reticulata 10
Syringa reticulata subsp. amurensis 5
Syringa reticulata 'Golden Eclipse' 2
Syringa reticulata 'Ivory Silk' 4
Syringa reticulata subsp. pekinensis 1
Syringa reticulata 'Summer Snow' 3
Syringa 'SMSJBP7' 9
Syringa 'SMSMPRZ1' 8
Syringa tomentella subsp. yunnanensis 2
Syringa vulgaris 3
Syringa vulgaris 'Aucubaefolia' 2
Syringa vulgaris 'Charles Joly' 2
Syringa vulgaris 'G13099' 17
Syringa vulgaris 'Ludwig Spaeth' 2
Syringa vulgaris 'Michael Buchner' 4
Syringa vulgaris 'Paul Thirion' 3
Syringa vulgaris 'President Lincoln' 3
Tabebuia 8
Tabebuia donnell-smithii 3
Tabebuia rosea 6
Tagetes 185
Tagetes erecta 8
Tagetes erecta 'Big Duck Orange' 2
Tagetes erecta 'Pas1060543' 7
Tagetes lemmonii 10
Tagetes lucida 15
Tagetes patula 10
Taiwania 3
Taiwania cryptomerioides 31
Taiwania cryptomerioides Flousiana Group 3
Talinum paniculatum 'Kingswood Gold' 3
Talipariti tiliaceum 4
Talipariti tiliaceum 'Tricolor' 3
Tamarix 7
Tamarix parviflora 1
Tamarix ramosissima 6
Tamarix ramosissima 'Pink Cascade' 2
Tamarix ramosissima 'Rubra' 4
Tanacetum densum subsp. amani 9
Tanacetum haradjanii 1
Tanacetum parthenium 3
Tanacetum parthenium 'Aureum' 2
Tanacetum praeteritum subsp. massicyticum 4
Tanacetum 'Tntalp' 6
Tanacetum vulgare 1
Tanacetum vulgare 'Isla Gold' 1
Tapiscia sinensis 3
Taraxacum 3
Taraxacum ceratophorum 3
Taraxacum officinale 3
Taxodium 17
Taxodium distichum 157
Taxodium distichum 'Cascade Falls' 43
Taxodium distichum 'Cody's Feathers' 16
Taxodium distichum 'Crazy Horse' 5
Taxodium distichum 'Emerald Shadow' 6
Taxodium distichum 'Fallingwater' 5
Taxodium distichum 'Hurley Park' 4
Taxodium distichum var. imbricatum 23
Taxodium distichum var. imbricatum 'Prairie Sentinel' 6
Taxodium distichum var. imbricatum 'Schrewerii' 4
Taxodium distichum 'Jfs-sgpn' 10
Taxodium distichum 'Jim's Little Guy' 12
Taxodium distichum 'Mickelson' 1
Taxodium distichum 'Monarch of Illinois' 4
Taxodium distichum 'Peve Minaret' 22
Taxodium distichum 'Peve Yellow' 8
Taxodium distichum 'Secrest' 3
Taxodium 'La Nana' 11
Taxodium mucronatum 28
Taxodium 'Zhongshansa' 3
Taxus 26
Taxus baccata 15
Taxus baccata 'Adpressa Aurea' 2
Taxus baccata 'Amersfoort' 3
Taxus baccata 'Aureomarginata' 1
Taxus baccata 'Elegantissima' 2
Taxus baccata 'Fowler's' 1
Taxus baccata 'Repandens' 3
Taxus baccata 'Repandens Aurea Marginata' 2
Taxus baccata 'Washingtonii' 1
Taxus baccata 'Watnong Gold' 1
Taxus brevifolia 1
Taxus chinensis 3
Taxus cuspidata 5
Taxus cuspidata 'Aurescens' 17
Taxus cuspidata 'Gold Edged Upright' 3
Taxus cuspidata 'Nana Aurescens' 2
Taxus cuspidata 'Rezek's Gold' 8
Taxus ×media 10
Taxus ×media 'Beanpole' 2
Taxus ×media 'Brownii' 1
Taxus ×media 'Flushing' 3
Taxus ×media 'Hicksii' 1
Taxus sumatrana (Chingjing form) 18
Taxus wallichiana var. chinensis 7
Taxus wallichiana var. mairei 4
Tecoma fulva 'TEC14004' 4
Tecoma stans 11
Tecoma stans var. angustata 3
Tecoma stans 'Mayan Gold' 5
Tecomaria capensis 18
Tecophilaea cyanocrocus 1
Telanthophora grandifolia 2
Telekia speciosa 6
Tellima grandiflora 6
Telopea speciosissimum 'Dawn Fire' 2
Telopea speciosissimum 'Red Embers' 1
Ternstroemia 6
Ternstroemia gymnanthera 14
Ternstroemia gymnanthera 'Broody' 7
Ternstroemia gymnanthera 'Burnished Gold' 25
Ternstroemia gymnanthera 'Conthera' 6
Ternstroemia gymnanthera 'Contherann' 1
Ternstroemia gymnanthera 'Golden Bear' 4
Ternstroemia gymnanthera 'Grewad' 1
Ternstroemia gymnanthera 'Greyou' 3
Ternstroemia gymnanthera (Lynn Lowrey dwarf) 5
Ternstroemia gymnanthera (purple-leaf) 3
Ternstroemia gymnanthera 'Variegata' 1
Ternstroemia gymnanthera (Worthington compact) 15
Ternstroemia impressa 3
Ternstroemia sylvatica 2
Tetracentron sinense 3
Tetraclinis articulata 2
Tetradium baberi 46
Tetradium daniellii 5
Tetradium glabrifolium 10
Tetradium ruticarpum 1
Tetradium ruticarpum var. bodiniera 2
Tetragonia tetragonioides 2
Tetraneuris acaulis 53
Tetraneuris acaulis var. caespitosa 11
Tetraneuris acaulis 'Las Vegas' 1
Tetraneuris grandiflora 18
Tetraneuris scaposa 'Travis' 12
Tetrapanax papyrifer 42
Tetrapanax papyrifer 'Steroidal Giant' 5
Teucridium parvifolium 2
Teucrium 2
Teucrium chamaedrys 5
Teucrium cossonii 8
Teucrium fruticans 5
Teucrium halacsyanum 2
Teucrium hircanicum 2
Teucrium majoricum 23
Teucrium marum 4
Teucrium polium 3
Teucrium procerum 2
Teucrium pyrenaicum 1
Teucrium subspinosum 5
Thalia 5
Thalia dealbata 17
Thalictrum 15
Thalictrum aquilegiifolium 6
Thalictrum clavatum 2
Thalictrum delavayi 2
Thalictrum delavayi 'Hewitt's Double' 3
Thalictrum dioicum 8
Thalictrum flavum 1
Thalictrum flavum subsp. glaucum 3
Thalictrum fortunei 5
Thalictrum ichangense 6
Thalictrum ichangense 'Evening Star' 1
Thalictrum kiusianum 9
Thalictrum rochebruneanum 5
Thalictrum rochebruneanum var. grandisepalum 7
Thamnochortus insignis 4
Thelypteris 9
Thelypteris acuminata 'Cristata' 2
Thelypteris kunthii 3
Thelypteris noveboracensis 1
Thelypteris palustris 2
Thermopsis 5
Thermopsis lupinoides 1
Thermopsis montana 14
Thermopsis rhombifolia 2
Thermopsis villosa 9
Thespesia grandiflora 5
Thespesia lampas var. thespesioides 1
Thespesia populnea 2
Thladiantha nudiflora 4
Thladiantha punctata 7
Thrinax radiata 5
Thuja 10
Thuja (CP 14 CO 768) 2
Thuja koraiensis 1
Thuja koraiensis 'Glauca Prostrata' 4
Thuja koraiensis × T. standishii 6
Thuja occidentalis 8
Thuja occidentalis 'Amber Glow' 1
Thuja occidentalis 'American Pillar' 9
Thuja occidentalis 'Art Boe' 5
Thuja occidentalis 'Caespitosa' 2
Thuja occidentalis 'Columbia' 9
Thuja occidentalis 'Concesarini' 3
Thuja occidentalis 'Congabe' 9
Thuja occidentalis 'Congabe' 1
Thuja occidentalis 'Degroot's Spire' 2
Thuja occidentalis 'Emerald Variegated' 1
Thuja occidentalis 'Europe Gold' 5
Thuja occidentalis 'Filiformis' 7
Thuja occidentalis 'George Washington' 5
Thuja occidentalis 'Globosa' 1
Thuja occidentalis 'Globosa Rheindiana' 3
Thuja occidentalis 'Gold Drop' 2
Thuja occidentalis 'Gremlin' 5
Thuja occidentalis 'Hetz Midget' 7
Thuja occidentalis 'Holmstrup' 2
Thuja occidentalis 'Holmstrup's Yellow' 6
Thuja occidentalis 'Jantar' 5
Thuja occidentalis 'Malonyana' 6
Thuja occidentalis 'Milleri' 6
Thuja occidentalis 'Ohlendorfii' 1
Thuja occidentalis 'Pendula' 3
Thuja occidentalis 'Quebec Weeping' 5
Thuja occidentalis 'Rheingold' 6
Thuja occidentalis 'Rushmore' 6
Thuja occidentalis 'Sherwood Moss' 1
Thuja occidentalis 'Smaragd' 10
Thuja occidentalis 'Sudworth Gold' 4
Thuja occidentalis 'Teddy' 3
Thuja occidentalis 'Thusid1' 2
Thuja occidentalis 'Tiny Tim' 5
Thuja occidentalis 'Trompenburg' 3
Thuja occidentalis 'U. of Conn. Dwarf' 2
Thuja occidentalis 'Unicorn' 6
Thuja occidentalis 'Wansdyke Silver' 1
Thuja occidentalis 'Waterfield' 3
Thuja occidentalis 'Yellow Ribbon' 11
Thuja orientalis 'Coral Queen' 5
Thuja plicata 19
Thuja plicata '4Ever' 1
Thuja plicata 'Can-can' 1
Thuja plicata 'Canadian Gold' 3
Thuja plicata 'Clemson Select' 1
Thuja plicata 'Collyer's Gold' 8
Thuja plicata 'Copper Kettle' 1
Thuja plicata 'Cuprea' 1
Thuja plicata 'Excelsa' 2
Thuja plicata 'Hillieri' 1
Thuja plicata 'Hogan' 4
Thuja plicata 'Nana' 4
Thuja plicata 'Rodgersii' 1
Thuja plicata 'Roger's Aurea Sport' 3
Thuja plicata 'Stoneham Gold' 2
Thuja plicata 'Sunshine' 1
Thuja plicata 'Whipcord' 5
Thuja plicata 'Winter Pink' 1
Thuja plicata 'Zebrina' 22
Thuja 10
Thuja ×soeegaardii 'BFC68' 8
Thuja ×soeegaardii 'Green Giant' 6
Thuja 'Starkie's Gold' 2
Thujopsis dolabrata 9
Thujopsis dolabrata 'Aurea' 4
Thujopsis dolabrata var. hondai 2
Thujopsis dolabrata 'Latifolia' 4
Thujopsis dolabrata 'Nana' 1
Thujopsis dolabrata 'Variegata' 2
Thunbergia 3
Thunbergia alata 5
Thunbergia alata 'Alba' 1
Thunbergia alata 'Blushing Susie' 1
Thunbergia alata 'Dl1501' 7
Thunbergia alata 'Lemon Star' 6
Thunbergia alata 'Orange Wonder' 7
Thunbergia battiscombei 3
Thunbergia erecta 1
Thunbergia grandiflora 18
Thunbergia grandiflora 'Alba' 7
Thunbergia mysorensis 4
Thymophylla pentachaeta 2
Thymus 9
Thymus caespititius 8
Thymus ×citriodorus 10
Thymus ×citriodorus 'Argenteus' 6
Thymus 'Clear Gold' 1
Thymus Coccineus Group 3
Thymus herba-barona 1
Thymus integer 3
Thymus kotschyanus 2
Thymus mastichina 6
Thymus praecox subsp. articus 'Elfin' 2
Thymus praecox 'Coccineus' 2
Thymus pseudolanuginosus 5
Thymus pulegioides 'Goldentime' 9
Thymus quinquecostatus 1
Thymus serpyllum 2
Thymus serpyllum var. albus 1
Thymus serpyllum 'Pink Chintz' 10
Thymus vulgaris 'Hi Ho Silver' 5
Thymus zygis 7
Thysanolaena latifolia 3
Tiarella 7
Tiarella cordifolia 14
Tiarella 'Elizabeth Oliver' 2
Tiarella 'Happy Trails' 7
Tiarella 'Mint Chocolate' 1
Tiarella 'Pacific Trail' 4
Tiarella 'Pink Bouquet' 11
Tiarella 'Pink Sky Rocket' 6
Tiarella polyphylla 2
Tiarella polyphylla (black leaf) 1
Tiarella 'TNTIA041' 4
Tiarella trifoliata 1
Tibouchina 12
Tibouchina urvilleana 9
Tibouchina urvilleana 'Edwardsii' 4
Tibouchina urvilleana (margined variegation) 2
Tigridia pavonia 23
Tigridia pavonia 'Canariensis' 1
Tigridia pavonia 'Peachy Keen' 1
Tilia 30
Tilia cordata 11
Tilia cordata 'Akira Gold' 6
Tilia cordata 'Dwarf Weeper' 23
Tilia cordata 'Halka' 8
Tilia cordata 'Hana Kogane' 1
Tilia cordata 'Winter Orange' 12
Tilia endochrysea 4
Tilia euchlora 1
Tilia henryana 19
Tilia insularis 11
Tilia kiusiana 7
Tilia aff. mexicana 5
Tilia oliveri 8
Tilia platyphyllos 3
Tilia tomentosa 6
Tilia tomentosa 'Green Mountain' 2
Tilia tomentosa 'Silver Globe' 1
Tillandsia 11
Tillandsia usneoides 76
Tinantia pringlei 4
Tipularia discolor 28
Titanopsis calcarea 1
Titanotrichum oldhamii 39
Tithonia 9
Tithonia diversifolia 5
Tithonia rotundifolia 6
Tithonia rotundifolia 'Fiesta Del Sol' 7
Todea barbara 1
Tolmiea menziesii 1
Toona sinensis 3
Toona sinensis 'Flamingo' 3
Torenia 4
Torenia fournieri 2
Torenia fournieri 'Dancat911' 8
Toronia toru 2
Torreya 1
Torreya californica 4
Torreya californica 'Spreadeagle' 3
Torreya fargesii 3
Torreya grandis 8
Torreya grandis (variegated) 4
Torreya nucifera 8
Torreya nucifera 'Gold Strike' 6
Torreya taxifolia 12
Townsendia exemia 8
Townsendia florifer 7
Townsendia leptotes 4
Toxicodendron diversilobum 8
Toxicodendron pubescens 2
Toxicodendron radicans 19
Toxicodendron radicans subsp. orientale 'Seven Year Itch' 5
Toxicodendron radicans subsp. orientale 'Variegata' 2
Trachelium caeruleum 'Devotion Blue' 1
Trachelospermum 6
Trachelospermum asiaticum 12
Trachelospermum asiaticum 'Asia Minor' 6
Trachelospermum asiaticum 'Atsuba Chirimen' 2
Trachelospermum asiaticum 'Aureum' 1
Trachelospermum asiaticum 'Chirimen' 3
Trachelospermum asiaticum 'Hatsuyuki' 14
Trachelospermum asiaticum 'Kiifu Chirimen' 4
Trachelospermum asiaticum 'Menkasura' 1
Trachelospermum asiaticum 'Nagaba' 9
Trachelospermum asiaticum 'Ogon' 1
Trachelospermum asiaticum 'Ogon Chirimen' 2
Trachelospermum asiaticum 'Ougon Nishiki' 8
Trachelospermum asiaticum 'Red Top' 3
Trachelospermum asiaticum 'Theta' 3
Trachelospermum asiaticum (variegated) 6
Trachelospermum asiaticum 'Variegatum' 3
Trachelospermum jasminoides 20
Trachelospermum jasminoides 'Mandianum' 8
Trachelospermum jasminoides 'Raulston Hardy' 9
Trachyandra falcata 2
Trachycarpus 13
Trachycarpus fortunei 68
Trachycarpus fortunei (Bulgaria) 8
Trachycarpus fortunei 'Norfolk' 2
Trachycarpus fortunei 'Taylor's Hardy' 14
Trachycarpus fortunei 'Wagnerianus' 20
Trachycarpus latisectus 6
Trachycarpus martianus 2
Trachycarpus nanus 6
Trachycarpus princeps 6
Trachycarpus princeps × T. fortunei 'Wagnerianus' 1
Trachycarpus takil 7
Trachystemon orientalis 13
Tradescantia 29
Tradescantia [Andersoniana Group] 'Mrs. Loewer' 4
Tradescantia [Andersoniana Group] 'Sweet Kate' 5
Tradescantia cerinthoides 2
Tradescantia fluminensis 2
Tradescantia hirsuticaulis 2
Tradescantia 'Ocampo White' 10
Tradescantia pallida 5
Tradescantia pallida 'Blue Sue' 6
Tradescantia pallida 'Kartuz Giant' 16
Tradescantia pallida 'Purple Heart' 2
Tradescantia pallida 'Purpurea' 7
Tradescantia pallida 'Variegata' 7
Tradescantia rosea 15
Tradescantia 'San Carlos' 5
Tradescantia sillamontana 16
Tradescantia spathacea 'Tricolor' 3
Tradescantia 'Sweet Kate' 4
Tradescantia 'Tall Blue' 1
Tradescantia tharpii 2
Tradescantia virginiana 4
Tradescantia zebrina 3
Tragopogon dubius 7
Trapa natans 1
Tremacron aurantiacum 14
Trevesia palmata 2
Triadica sebifera 7
Trichocereus bruchii 5
Trichocereus pasacana 1
Trichocereus terscheckii 1
Tricyrtis 14
Tricyrtis affinis 'Tricolor' 8
Tricyrtis 'Amanagowa' 26
Tricyrtis (crested variegated) 2
Tricyrtis flava 2
Tricyrtis 'Fluffy Orchid' 31
Tricyrtis formosana 42
Tricyrtis formosana 'Autumn Glow' 22
Tricyrtis formosana 'Daruma' 1
Tricyrtis formosana 'Samurai' 17
Tricyrtis hirta 13
Tricyrtis hirta 'Golden Gleam' 11
Tricyrtis hirta 'Lightning Strike' 5
Tricyrtis hirta 'Minazaki' 4
Tricyrtis hirta 'Miyazaki' 11
Tricyrtis hirta (purple spotted) 1
Tricyrtis hirta 'Variegata' 5
Tricyrtis hirta (variegated) 3
Tricyrtis 'Imperial Banner' 30
Tricyrtis ishiiana 2
Tricyrtis 'Kohaku' 2
Tricyrtis lasiocarpa 35
Tricyrtis latifolia 2
Tricyrtis macranthopsis 8
Tricyrtis macropoda 11
Tricyrtis maculata 2
Tricyrtis 'Momoe' 9
Tricyrtis 'Momoyama' 9
Tricyrtis 'Moonlight Treasure' 3
Tricyrtis nana 1
Tricyrtis ohsumiensis 1
Tricyrtis ohsumiensis 'Lunar Eclipse' 1
Tricyrtis ohsumiensis (yellow streaked) 1
Tricyrtis perfoliata 5
Tricyrtis puberula 13
Tricyrtis ravenii 30
Tricyrtis ravenii (A1TW-252B) 1
Tricyrtis suzukii 1
Tricyrtis 'White Waves' 11
Trientalis borealis subsp. latifolia 3
Trifolium 2
Trifolium dasyphyllum 10
Trifolium nanum 10
Trifolium parryi 6
Trifolium repens 3
Trifolium wormskioldii 6
Trigonotis omeiensis 7
Trillium 72
Trillium albidum 7
Trillium apetalon 7
Trillium catesbyi 5
Trillium cernuum 2
Trillium chloropetalum 4
Trillium cuneatum 23
Trillium cuneatum (A1NC-026) 2
Trillium decipiens 1
Trillium decipiens (A1AL-078) 3
Trillium decipiens (A2FL-009) 2
Trillium decumbens (A1AL-021) 1
Trillium discolor 3
Trillium erectum 31
Trillium flexipes 2
Trillium foetidissimum 4
Trillium gracile (A3LA-075) 2
Trillium grandiflorum 66
Trillium grandiflorum (double flowered) 3
Trillium grandiflorum 'Snow Bunting' 2
Trillium lancifolium (A2Fl-013) 5
Trillium lancifolium (A2FL-013.2) 1
Trillium lancifolium 'Ballerina' 2
Trillium ludovicianum 13
Trillium luteum 15
Trillium maculatum 7
Trillium maculatum (A1AL-097) 1
Trillium maculatum (A1AL-122) 1
Trillium maculatum (Gainesville, FL form) 10
Trillium maculatum f. simulans (A3SC-007) 2
Trillium pusillum 15
Trillium recurvatum 6
Trillium reliquum 4
Trillium reliquum (A1AL-091) 2
Trillium reliquum (A2SC-042) 2
Trillium rivale 3
Trillium rugelii 9
Trillium tschonoskii 2
Trillium underwoodii 19
Trillium underwoodii (A2FL-001) 7
Triosteum himalayanum 4
Triosteum pinnatifidum 5
Tripetaleia paniculata 2
Tripterygium regelii 6
Tripterygium regelii (white margin) 1
Tripterygium wilfordii 6
Triteleia 9
Triteleia hyacinthina 5
Triteleia ixioides 1
Triteleia ixioides 'Starlight' 7
Triteleia laxa 3
Triteleia laxa 'Corrina' 18
Triteleia laxa 'Koningin Fabiola' 3
Triteleia 'Ocean Queen' 1
Triteleia 'Rudy' 9
Triteleia 'Silver Queen' 6
Trithrinax acanthocoma 3
Triticum aestivum 14
Trochetiopsis ×benjaminii 5
Trochodendron 1
Trochodendron aralioides 34
Trollius 4
Trollius dschungaricus 2
Trollius laxus subsp. albiflorus 14
Tropaeolum 5
Tropaeolum majus 16
Tropaeolum peregrinum 4
Tropaeolum polyphyllum 10
Tropaeolum speciosum 16
Tsuga 18
Tsuga canadensis 72
Tsuga canadensis 'Albo-spica' 6
Tsuga canadensis 'Bacon Cristate' 3
Tsuga canadensis 'Cole's Prostrate' 7
Tsuga canadensis 'Curley' 5
Tsuga canadensis 'Everitt Golden' 1
Tsuga canadensis 'Golden Splendor' 1
Tsuga canadensis 'Hawkersmith Weeping' 1
Tsuga canadensis 'Jeddeloh' 3
Tsuga canadensis 'Jervis' 1
Tsuga canadensis 'Kingsville Spreader' 6
Tsuga canadensis 'Krenitsky Weeping' 4
Tsuga canadensis 'Livingston' 1
Tsuga canadensis 'Macrophylla' 3
Tsuga canadensis 'Moon Frost' 1
Tsuga canadensis 'Nana' 6
Tsuga canadensis 'Pendula' 15
Tsuga canadensis 'Sargentii' 11
Tsuga canadensis 'Stewart's Gem' 1
Tsuga canadensis 'Stranger' 3
Tsuga canadensis 'Vermuellen's Winter Gold' 8
Tsuga canadensis 'Von Helms' 2
Tsuga canadensis 'White Fountain' 1
Tsuga caroliniana 14
Tsuga caroliniana 'Cullowhee Upright Weeper' 5
Tsuga caroliniana 'Dilworth Compact' 8
Tsuga chinensis 8
Tsuga chinensis var. chinensis 3
Tsuga chinensis var. formosana 7
Tsuga chinensis var. oblongisquamata 5
Tsuga diversifolia 8
Tsuga dumosa 2
Tsuga heterophylla 13
Tsuga mertensiana 17
Tsuga mertensiana 'Blue Star' 2
Tsuga sieboldii 12
Tsuga sieboldii 'Green Ball' 3
Tsuga yunnanensis 1
Tuber melanosporum 2
Tulbaghia simmleri 12
Tulbaghia violacea 19
Tulbaghia violacea 'Tricolor' 3
Tulipa 388
Tulipa acuminata 12
Tulipa albertii 2
Tulipa altaica 1
Tulipa 'Angélique' 1
Tulipa bakeri 'Lilac Wonder' 13
Tulipa 'Blushing Lady' 1
Tulipa 'Cartouche' 3
Tulipa clusiana 15
Tulipa clusiana 'Annika' 2
Tulipa clusiana var. chrysantha 20
Tulipa clusiana var. chrysantha 'Tubergen's Gem' 20
Tulipa clusiana 'Cynthia' 12
Tulipa clusiana 'Lady Jane' 8
Tulipa dasystemon 2
Tulipa 'Garant' 2
Tulipa 'General de Wet' 2
Tulipa 'Helena' 3
Tulipa humilis 2
Tulipa humilis 'Alba Caerulea Oculata' 7
Tulipa humilis var. pulchella 'Tete-a-Tete' 2
Tulipa humilis 'Red Cap' 5
Tulipa humilis 'Red Hunter' 4
Tulipa 'Ice Stick' 2
Tulipa kaufmanniana 3
Tulipa linifolia 9
Tulipa linifolia [Batalinii Group] 'Bronze Charm' 3
Tulipa linifolia [Batalinii Group] 'Honky Tonk' 13
Tulipa linifolia 'Bright Gem' 26
Tulipa 'Little Beauty' 28
Tulipa 'Little Princess' 9
Tulipa 'Lizzy' 1
Tulipa marjolettii 7
Tulipa 'Mary Belle' 4
Tulipa 'Maureen' 7
Tulipa 'Monte Carlo' 1
Tulipa orphanidea subsp. whittallii 35
Tulipa 'Peppermint Stick' 12
Tulipa 'Pink Impression' 5
Tulipa praestans 'Shogun' 6
Tulipa praestans 'Unicum' 4
Tulipa (Pride Mixture) 3
Tulipa 'Private Eyes' 10
Tulipa 'Red Hunter' 8
Tulipa 'Red Riding Hood' 2
Tulipa 'Renown' 3
Tulipa 'Sensual Touch' 3
Tulipa sylvestris 7
Tulipa 'Taco' 7
Tulipa tarda 4
Tulipa 'Tinka' 25
Tulipa turkestanica 15
Tulipa urumiensis 1
Tulipa vvedenskyi 'Tangerine Beauty' 17
Tulipa 'Yellow Present' 1
Tupistra 2
Turnera subulata 1
Turnera ulmifolia 5
Tweedia solanoides 12
Typha 12
Typha latifolia 3
Typha latifolia 'Variegata' 3
Ugni molinae 7
Ulex europaeus 7
Ulmus 21
Ulmus alata 3
Ulmus alata 'Lace Parasol' 170
Ulmus alata (prostrate form) 1
Ulmus americana 14
Ulmus americana 'Jefferson' 8
Ulmus americana 'Jfs-prince II' 3
Ulmus americana 'Princeton' 5
Ulmus crassifolia 5
Ulmus davidiana var. japonica 'JFS-Bieberich' 10
Ulmus davidiana 'JFS KW2UD' 4
Ulmus glabra 'Camperdownii' 32
Ulmus glabra 'Pendula' 1
Ulmus ×hollandica 'Jacqueline Hillier' 6
Ulmus ×hollandica 'Wredei' 4
Ulmus minor 4
Ulmus minor subsp. minor 'Pendula' 45
Ulmus parvifolia 19
Ulmus parvifolia 'Blizzard' 8
Ulmus parvifolia (burgundy flush) 2
Ulmus parvifolia var. coreana 7
Ulmus parvifolia 'Dynasty' 3
Ulmus parvifolia 'Emer II' 3
Ulmus parvifolia 'Frosty' 27
Ulmus parvifolia 'Golden Rey' 8
Ulmus parvifolia 'Seiju' 5
Ulmus procera 1
Ulmus procera 'Argenteovariegata' 4
Ulmus procera 'Louis Van Houtii' 2
Ulmus szechuanica 1
Ulmus thomasii 2
Umbellularia californica 12
Umbellularia californica (serpentine form) 5
Uncinia rubra 1
Uncinia strictissima 1
Ungnadia speciosa 34
Urera caracasana 1
Urospermum dalechampii 2
Urtica dioica 1
Urtica ferox 2
Utricularia 2
Utricularia subulata 13
Uvularia grandiflora 16
Uvularia perfoliata 11
Uvularia sessilifolia 3
Uvularia sessilifolia 'Cobblewood Gold' 4
Vaccinium 13
Vaccinium arboreum 3
Vaccinium ashei 1
Vaccinium ashei 'Climax' 1
Vaccinium ashei 'Montgomery' 2
Vaccinium ashei 'Powder Blue' 6
Vaccinium ashei 'Takahe' 3
Vaccinium ashei 'Tifblue' 3
Vaccinium ashei 'Woodard' 7
Vaccinium ashei 'Yadkin' 5
Vaccinium bracteatum 3
Vaccinium cespitosum 9
Vaccinium corymbosum 4
Vaccinium crassifolium 5
Vaccinium crassifolium subsp. crassifolium 'Wells Delight' 2
Vaccinium crassifolium subsp. sempervirens 'Bloodstone' 1
Vaccinium darrowii 36
Vaccinium darrowii 'John's Blue' 1
Vaccinium darrowii 'Rosa's Blush' 15
Vaccinium 'Earlibird Blue' 5
Vaccinium elliottii 8
Vaccinium (evergreen) 2
Vaccinium exaristatum 2
Vaccinium gaultheriifolium 1
Vaccinium macrocarpon 3
Vaccinium macrocarpon 'Steven's' 3
Vaccinium moupinense 1
Vaccinium ovatum 8
Vaccinium 'Pink Lemonade' 5
Vaccinium scoparium 1
Vaccinium 'Sunshine Blue' 2
Vachellia constricta 5
Valeriana acutiloba 8
Valeriana edulis 6
Valeriana fauriei 2
Valeriana phu 'Aurea' 2
Valeriana sitchensis 4
Vallesia baileyana 2
Vancouveria hexandra 18
Vauquelinia californica 6
Veltheimia bracteata 1
Veratrum 9
Veratrum album 2
Veratrum californicum 21
Veratrum formosanum 3
Veratrum nigrum 1
Veratrum schindleri 3
Verbascum 33
Verbascum bombyciferum 5
Verbascum bombyciferum 'Polar Summer' 1
Verbascum chaixii 17
Verbascum chaixii 'Album' 2
Verbascum 'Dark Eyes' 7
Verbascum dumulosum 2
Verbascum phoeniceum 'Antique Rose' 2
Verbascum roripifolium 6
Verbascum 'Southern Charm' 3
Verbascum thapsus 3
Verbena 48
Verbena 'Akiv571-1' 2
Verbena 'Blue Princess' 8
Verbena bonariensis 30
Verbena brasiliensis 1
Verbena 'Homestead Purple' 9
Verbena 'Lan Magna' 2
Verbena 'Lan Roypur' 2
Verbena 'Lan Upbriro' 1
Verbena 'Lavender Falls' 2
Verbena 'Mabel's Violet' 1
Verbena 4
Verbena 2
Verbena peruviana 1
Verbena peruviana 'Balendurizz' 3
Verbena 'Radverb' 1
Verbena 'Rap Pink Two' 1
Verbena (red) 1
Verbena rigida 5
Verbena rigida 'Santos' 5
Verbena tenuisecta 'Decked Out' 2
Verbena tenuisecta 'Edith' 2
Verbena 'Texas Appleblossom' 7
Verbena 'White Sissinghurst' 2
Verbena aff. xutha 13
Verbesina 1
Verbesina encelioides 5
Verbesina microptera 18
Vernicia fordii 37
Vernonia 13
Vernonia arkansana 2
Vernonia lettermannii 'Iron Butterfly' 9
Vernonia lindheimeri 13
Vernonia lindheimeri var. incana 2
Vernonia missurica 1
Vernonia noveboracensis 7
Veronica 14
Veronica 'Aspire' 4
Veronica austriaca subsp. teucrium 'Crater Lake Blue' 2
Veronica 'Balmoodink' 1
Veronica 'Balmoodluim' 1
Veronica besseya 2
Veronica cuneifolia 2
Veronica forrestii 5
Veronica gentianoides 3
Veronica 'Goodness Grows' 3
Veronica 'Hocus Pocus' 3
Veronica 'Joca128' 7
Veronica linifolia 2
Veronica longifolia 'Balskywink' 1
Veronica prostrata 'Aztec Gold' 2
Veronica 'Purpleiscious' 3
Veronica repens 'Sunshine' 1
Veronica spicata 3
Veronica spicata 'Icicle' 6
Veronica spicata 'Joca128' 5
Veronica spicata 'Lavender Lightsaber' 2
Veronica spicata 'Mona Lisa Smile' 0
Veronica 'Tnvervb' 8
Veronica umbrosa 'Georgia Blue' 29
Veronica 'Waterperry Blue' 5
Veronica wormskjoldii 4
Veronicastrum stachyophyllum 1
Veronicastrum villosulum 1
Veronicastrum virginicum 1
Veronicastrum virginicum 'Fascination' 6
Veronicastrum virginicum 'Lavender Towers' 3
Viburnum 77
Viburnum acerifolium 3
Viburnum atrocyaneum 1
Viburnum awabuki 14
Viburnum awabuki 'Chindo' 50
Viburnum awabuki 5
Viburnum ×bodnantense 2
Viburnum ×bodnantense 'Dawn' 20
Viburnum bracteatum 5
Viburnum bracteatum 'Emerald Luster' 6
Viburnum burejaeticum 4
Viburnum ×burkwoodii 4
Viburnum ×burkwoodii 'Anne Russell' 3
Viburnum ×burkwoodii 'Conoy' 39
Viburnum ×burkwoodii 'Duvone' 20
Viburnum ×burkwoodii 'Fulbrook' 9
Viburnum ×burkwoodii 'Mohawk' 43
Viburnum ×carlcephalum 10
Viburnum ×carlcephalum 'Cayuga' 20
Viburnum carlesii 1
Viburnum carlesii 'Aurora' 6
Viburnum carlesii var. bitchiuense 16
Viburnum carlesii 'Compactum' 6
Viburnum carlesii 'Prairie Rose' 7
Viburnum carlesii 'Smvcb' 7
Viburnum carlesii 'Spiro' 20
Viburnum carlesii 'Sweet Susan Renee' 3
Viburnum cassinoides (Hillier form) 2
Viburnum 'Chesapeake' 19
Viburnum 'Chippewa' 7
Viburnum cinnamomifolium 8
Viburnum corylifolium 7
Viburnum cylindricum 9
Viburnum davidii 12
Viburnum dentatum 2
Viburnum dentatum 'Christom' 1
Viburnum dentatum 'Golden Arrow' 13
Viburnum dentatum 'Island Treasure' 5
Viburnum dentatum 'J. N. Select' 2
Viburnum dentatum 'KLMeight' 3
Viburnum dentatum 'KLMthree' 3
Viburnum dentatum 'Moon Glo' 2
Viburnum dentatum 'Morton' 8
Viburnum dentatum 'Papzam' 2
Viburnum dentatum 'Perle Bleu' 3
Viburnum dentatum 'Ralph Senior' 5
Viburnum dentatum var. scabrellum 4
Viburnum dentatum 'Synnesvedt' 5
Viburnum dilatatum 7
Viburnum dilatatum 'Akira's Sun' 22
Viburnum dilatatum 'Asian Beauty' 2
Viburnum dilatatum 'Catskill' 4
Viburnum dilatatum 'Erie' 4
Viburnum dilatatum 'Iroquois' 1
Viburnum dilatatum 'Michael Dodge' 12
Viburnum dilatatum 'Mt. Airy' 2
Viburnum dilatatum (Ryukyu Island) 9
Viburnum dilatatum 'Smnvdmdo' 1
Viburnum dilatatum f. xanthocarpum 1
Viburnum 'Emerald Triumph' 6
Viburnum erosum 11
Viburnum erubescens 9
Viburnum 'Eskimo' 14
Viburnum farreri 2
Viburnum farreri 'Nanum' 13
Viburnum foetidum 6
Viburnum foetidum (variegated) 6
Viburnum furcatum 1
Viburnum ×globosum 'Jermyn's Globe' 5
Viburnum glomeratum subsp. magnificum 2
Viburnum grandiflorum 10
Viburnum harryanum 4
Viburnum henryi 7
Viburnum ×hillieri 2
Viburnum ×hillieri 'Winton' 4
Viburnum 'Huron' 9
Viburnum japonicum 4
Viburnum japonicum 'Superb' 7
Viburnum japonicum 'Variegatum' 9
Viburnum ×juddii 3
Viburnum kansuense 2
Viburnum lantana 'Mohican' 6
Viburnum lantana 'Variegatum' 24
Viburnum lentago 2
Viburnum 'Lord Byron' 8
Viburnum luzonicum 14
Viburnum luzonicum var. oblongum 5
Viburnum macrocephalum 7
Viburnum macrocephalum 'Sterile' 6
Viburnum molle 4
Viburnum mongolicum 5
Viburnum 'Nantucket' 17
Viburnum 'Ncvx1' 1
Viburnum nudum 43
Viburnum nudum 'Angustifolium' 20
Viburnum nudum (Callaway large leaf) 1
Viburnum nudum (Callaway small leaf) 5
Viburnum nudum 'Pink Beauty' 2
Viburnum nudum 'Winterthur' 6
Viburnum obovatum 'Christmas Snow' 16
Viburnum obovatum 'Compacta' 20
Viburnum obovatum 'Densa' 1
Viburnum obovatum (dwarf form) 11
Viburnum obovatum 'Mrs. Schiller's Delight' 12
Viburnum obovatum 'Raulston Hardy' 12
Viburnum obovatum 'Reifler's Dwarf' 10
Viburnum obovatum 'St. Paul' 14
Viburnum obovatum 'Walter's Claim to Fame' 5
Viburnum obovatum 'Whorled Class' 4
Viburnum odoratissimum 3
Viburnum oliganthum 12
Viburnum opulus 4
Viburnum opulus var. americanum 11
Viburnum opulus var. americanum 'J.N. Select' 1
Viburnum opulus var. calvescens 9
Viburnum opulus 'Harvest Gold' 5
Viburnum opulus 'Leonard's Dwarf' 3
Viburnum opulus 'Nanum' 1
Viburnum opulus 'Roseum' 7
Viburnum opulus 'Xanthocarpum' 1
Viburnum orientale 13
Viburnum parvifolium 3
Viburnum phlebotrichum 7
Viburnum 'Piivib-i' 6
Viburnum plicatum 11
Viburnum plicatum 'Kern's Pink' 4
Viburnum plicatum 'Mary Milton' 29
Viburnum plicatum 'Pink Sensation' 68
Viburnum plicatum f. plicatum 'Rotundifolium' 4
Viburnum plicatum 'Popcorn' 6
Viburnum plicatum 'Sawtooth' 17
Viburnum plicatum 'Spellbound' 4
Viburnum plicatum f. tomentosum 16
Viburnum plicatum f. tomentosum 'Copper Ridges' 4
Viburnum plicatum f. tomentosum 'Mariesii' 8
Viburnum plicatum f. tomentosum 'Molly Schroeder' 1
Viburnum plicatum f. tomentosum 'Nanum Semperflorens' 8
Viburnum plicatum f. tomentosum 'Pink Beauty' 21
Viburnum plicatum f. tomentosum 'Shasta' 2
Viburnum plicatum f. tomentosum 'Shoshoni' 3
Viburnum plicatum f. tomentosum 'Summer Snowflake' 12
Viburnum plicatum f. tomentosum 'Weeping Magic' 8
Viburnum plicatum 'Trizam' 3
Viburnum ×pragense 16
Viburnum ×pragense 'Decker' 8
Viburnum propinquum 5
Viburnum prunifolium 6
Viburnum prunifolium 'J.N. Select' 5
Viburnum rafinesquianum 1
Viburnum rafinesquianum 'Louise's Sunbeam' 16
Viburnum recognitum 3
Viburnum ×rhytidophylloides 'Alleghany' 8
Viburnum ×rhytidophylloides 'Interduke' 7
Viburnum ×rhytidophylloides 'NCVR1' 5
Viburnum rhytidophyllum 11
Viburnum rhytidophyllum 'Fence Line' 1
Viburnum rufidulum 6
Viburnum rufidulum 'Royal Guard' 5
Viburnum rufidulum (Superior Trees) 7
Viburnum 6
Viburnum sargentii 14
Viburnum sargentii 'Chiquita' 17
Viburnum sargentii f. flavum 1
Viburnum sempervirens 8
Viburnum setigerum 48
Viburnum sieboldii 9
Viburnum 'sPg-3-024' 14
Viburnum suspensum 17
Viburnum tinus 25
Viburnum tinus 'Bewley's Variegated' 2
Viburnum tinus 'Clyne Castle' 1
Viburnum tinus 'Compactum' 25
Viburnum tinus 'Lisa Rosa' 15
Viburnum tinus 'Spring Bouquet' 6
Viburnum urceolatum 4
Viburnum utile 7
Viburnum utile (large leaf) 10
Viburnum wrightii 3
Vicia faba 3
Victoria 12
Victoria amazonica 15
Victoria cruziana 2
Victoria 'Longwood Hybrid' 4
Vinca 3
Vinca difformis 2
Vinca major 2
Vinca major 'Variegata' 2
Vinca minor 14
Vinca minor f. alba 2
Vinca minor 'Alba Variegata' 1
Vinca minor 'Aureovariegata' 1
Vinca minor 'Illumination' 3
Vinca minor 'Variegata' 2
Vinca minor (variegated) 3
Viola 124
Viola adunca 2
Viola canadensis 9
Viola chaerophylloides 4
Viola cornuta 5
Viola dissecta 1
Viola grypoceras 2
Viola hastata 1
Viola 'Heartthrob' 2
Viola hederacea 3
Viola labradorica 1
Viola mandshurica 'Fuji Dawn' 2
Viola pedata 26
Viola pedata 'Eco Artist Palette' 35
Viola 'Penny White' 3
Viola praemorsa 11
Viola pubescens 3
Viola rostrata 2
Viola 'Sorbet Lemon Swirl' 2
Viola sororia 4
Viola sororia f. priceana 4
Viola tricolor 11
Viola walterii 'Silver Gem' 5
Viola ×wittrockiana 87
Viola ×wittrockiana 'Delta Premium Pure Lemon' 2
Viola ×wittrockiana 'Pandora's Box' 1
Viola ×wittrockiana 'Ultima Morpho' 1
Virgilia divaricata 1
Viscum album 3
Vitex 21
Vitex agnus-castus 28
Vitex agnus-castus 'Alba' 6
Vitex agnus-castus (Bobby's dwarf) 8
Vitex agnus-castus 'Fletcher Pink' 12
Vitex agnus-castus 'Rosea' 3
Vitex agnus-castus 'Salinas Pink' 15
Vitex agnus-castus 'Shoal Creek' 13
Vitex agnus-castus 'Silver Spire' 2
Vitex agnus-castus 'Smvacbd' 1
Vitex agnus-castus 'V07-SC-OP-4' 2
Vitex lucens 6
Vitex negundo 3
Vitex negundo var. heterophylla 15
Vitex rotundifolia 20
Vitex trifolia 'Fascination' 2
Vitex trifolia 'Purpurea' 2
Vitex trifolia 'Variegata' 5
Vitis 11
Vitis coignetiae 2
Vitis davidii 4
Vitis piasezkii var. pagnuccii 7
Vitis rotundifolia 3
Vitis rotundifolia 'Triumph' 5
Vitis vinifera 61
Vitis vinifera 'Purpurea' 4
Vriesea 2
Vriesea hieroglyphica 1
Vriesea imperialis 2
Waldsteinia fragarioides 5
Waldsteinia lobata 4
Wasabia japonica 1
Washingtonia 8
Washingtonia filifera 27
Washingtonia robusta 15
Watsonia 6
Watsonia humilis 1
Watsonia meriana var. bulbillifera 2
Watsonia 'Moonshine' 2
Wedelia triloba 2
Weigela 22
Weigela amagiensis 10
Weigela 'Bokrashine' 11
Weigela 'Champagne and Strawberries' 1
Weigela 'Conanu' 5
Weigela coraeensis 3
Weigela decora 6
Weigela florida 1
Weigela florida 'Alexandra' 5
Weigela florida 'Bokrasopea' 17
Weigela florida 'Bokrasoph' 7
Weigela florida 'Brigela' 1
Weigela florida 'Caricature' 6
Weigela florida 'Carlton' 8
Weigela florida 'Elvera' 4
Weigela florida 'Slingco 2' 3
Weigela florida 'Tango' 9
Weigela florida 'Tokyo Gold' 3
Weigela 'Florida Variegata' 9
Weigela florida 'Verweig' 7
Weigela florida 'Verweil-4' 9
Weigela japonica 'Dart's Colourdream' 10
Weigela japonica var. sinica 9
Weigela 'Kolmagira' 10
Weigela maximowiczii 2
Weigela aff. middendorffiana 4
Weigela 'Minuet' 2
Weigela 'Nana Variegata' 1
Weigela 'Olympiade' 3
Weigela 'Pink Princess' 4
Weigela praecox 14
Weigela 'Praecox Variegata' 6
Weigela 'Red Prince' 1
Weigela sachalinensis 5
Weigela sanguinea 3
Weigela subsessilis 'Canary' 11
Weigela (yellow flower) 4
Weigela (yellow leaf) 18
Weinmannia trichosperma 6
Welwitschia mirabilis 15
Westringia 'Edna Walling' 2
Westringia fruticosa 1
Westringia 'Highlight' 2
Westringia 'Lilac and Lace' 2
Westringia 'Wynyabbie Gem' 2
Widdringtonia cedarbergensis 4
Widdringtonia nodiflora 4
Widdringtonia schwartzii 2
Wigginsia erinacea 7
Wigginsia macrocanthe 3
Wikstroemia 4
Wikstroemia taiwanensis 4
Wikstroemia terniflora 2
Wikstroemia trichotoma 1
Wisteria 94
Wisteria 'Caroline' 24
Wisteria floribunda 14
Wisteria floribunda 'Alba' 1
Wisteria floribunda 'Ivory Tower' 1
Wisteria floribunda 'Longissima Alba' 1
Wisteria floribunda f. microphylla 'Hime' 3
Wisteria floribunda 'Mon Nishiki' 9
Wisteria floribunda 'Rosea' 2
Wisteria floribunda 'Royal Purple' 2
Wisteria frutescens 12
Wisteria frutescens 'Amethyst Falls' 24
Wisteria frutescens 'Longwood Purple' 16
Wisteria frutescens 'Lynn Lowrey' 2
Wisteria frutescens var. macrostachya 9
Wisteria frutescens var. macrostachya 'Aunt Dee' 3
Wisteria frutescens var. macrostachya 'Clara Mack' 7
Wisteria frutescens 'Nivea' 6
Wisteria sinensis 9
Wisteria sinensis 'Alba' 2
Wisteria sinensis 'Jako' 7
Wisteria sinensis 'Variegata' 2
Wisteria 'Swartley Purple' 3
Wisteria venusta 24
Wisteria venusta 'Wayside's White Flowered' 1
Wisteriopsis japonica 'Alba' 14
Wisteriopsis reticulata 12
Wollemia nobilis 43
Woodsia subcordata 2
Woodwardia aerolata 1
Woodwardia (hybrid) 3
Woodwardia orientalis 14
Woodwardia orientalis (crested) 1
Woodwardia unigemmata 14
Woodwardia virginica 1
Wulfenia carinthiaca 2
Wyethia amplexicaulis 50
Xanthoceras sorbifolium 7
Xanthorhiza simplicissima 12
Xanthorrhoea 5
Xanthorrhoea quadrangularis 6
Xanthosoma 2
Xanthosoma 'Albomarginata' 5
Xanthosoma 'Lime Zinger' 3
Xanthosoma violaceum 1
Xerochrysum bracteata 3
Xerochrysum bracteata 2
Xeronema callistemon 5
Xerophyllum 1
Xerophyllum tenax 4
Xylosma congestum 2
Xyris 2
Youngia japonica 2
Ypsilandra thibetica 4
Yucca 176
Yucca aloifolia 39
Yucca aloifolia 'Magenta Magic' 0
Yucca aloifolia 'Variegata' 73
Yucca angustissima 5
Yucca arizonica 13
Yucca arkansana 2
Yucca arkansana subsp. louisianensis 11
Yucca baccata 9
Yucca baileyi 4
Yucca 'Blue Boy' 6
Yucca brevifolia 23
Yucca cernua 11
Yucca coahuilensis 3
Yucca decipiens 3
Yucca elata 4
Yucca elata × Y. thompsoniana 'Nekkid Dwarf' 1
Yucca elephantipes 2
Yucca filamentosa 30
Yucca filamentosa (concave leaf) 3
Yucca filamentosa 'Garland Gold' 2
Yucca filamentosa 'Golden Sword' 9
Yucca filamentosa subsp. smalliana 'Bright Edge' 6
Yucca filamentosa 'Variegata' 7
Yucca filamentosa 'Vivacious' 10
Yucca flaccida 19
Yucca flaccida 'Blue Sentry' 6
Yucca flaccida 'Color Guard' 6
Yucca flaccida 'Garland's Gold' 9
Yucca flaccida 'Gold Heart' 7
Yucca flaccida 'Ivory' 12
Yucca flaccida 'Trompenberg Blue' 3
Yucca glauca 20
Yucca aff. glauca 2
Yucca gloriosa 'Ivory Tower' 1
Yucca gloriosa 'Lone Star' 13
Yucca gloriosa 'Variegata' 19
Yucca grandiflora 4
Yucca harrimaniae 5
Yucca linearifolia 14
Yucca linearifolia 'Line Dance' 4
Yucca louisianensis 1
Yucca louisianensis 'Desoto Blue' 4
Yucca louisianensis 'Granted Wish' 3
Yucca madrensis 6
Yucca nana 1
Yucca neomexicana 4
Yucca pallida 5
Yucca recurvifolia 14
Yucca recurvifolia 'Cousin It' 11
Yucca recurvifolia 'Gold Ribbons' 6
Yucca recurvifolia 'Hinvargas' 6
Yucca rostrata 116
Yucca rupicola 10
Yucca schidigera 8
Yucca schottii 15
Yucca thompsoniana 31
Yucca torreyi 74
Yucca treculeana 124
Yucca treculeana var. canaliculata 30
Yucca 'Walbristar' 1
Zabelia dielsii 1
Zabelia integrifolia 2
Zabelia tyaihyoni 26
Zamia 1
Zamia floridana 5
Zamia furfuracea 6
Zamia loddigesii 2
Zamia lucayana 3
Zamia nesophila 3
Zamia pumila 8
Zamia spartea 3
Zamia variegata 1
Zantedeschia 45
Zantedeschia aethiopica 25
Zantedeschia aethiopica 'African Gold' 4
Zantedeschia aethiopica 'Childsiana' 4
Zantedeschia aethiopica 'Green Goddess' 11
Zantedeschia aethiopica 'Hercules' 6
Zantedeschia aethiopica 'White Giant' 18
Zantedeschia albomaculata 2
Zantedeschia 'Aztec Gold' 7
Zantedeschia 'Black Magic' 1
Zantedeschia 'Crystal Blush' 7
Zantedeschia elliottiana 3
Zantedeschia 'Mango' 16
Zantedeschia 'Paco' 4
Zantedeschia 'Red Socks' 1
Zantedeschia rehmannii 1
Zantedeschia rehmannii 'Superba' 1
Zantedeschia 'Sunshine' 7
Zanthoxylum 2
Zanthoxylum ailanthoides 4
Zanthoxylum bungeanum 2
Zanthoxylum clava-herculis 1
Zanthoxylum schinifolium 2
Zauschneria 7
Zauschneria cana 3
Zauschneria garrettii 15
Zauschneria latifolia var. etteri 21
Zea mays 35
Zea mays 'Field of Dreams' 10
Zea mays 'Variegata' 2
Zelkova 6
Zelkova carpinifolia 4
Zelkova schneideriana 1
Zelkova serrata 4
Zelkova serrata 'Goblin' 5
Zelkova serrata 'Goshiki' 5
Zelkova serrata 'JFS-KW1' 11
Zelkova serrata 'Musashino' 8
Zelkova serrata 'Ogon' 18
Zelkova serrata 'Schmidtlow' 10
Zelkova serrata (weeping) 5
Zelkova sinica 11
Zelkova ×verschaffeltii 1
Zenobia 3
Zenobia pulverulenta 27
Zenobia pulverulenta 'Raspberry Ripple' 20
Zenobia pulverulenta 'Woodlanders Blue' 2
×Zephybranthus 'Norma Pearl' 3
Zephyranthes 33
Zephyranthes 'Aquarius' 27
Zephyranthes atamasco 42
Zephyranthes 'Bali Beauty' 18
Zephyranthes 'Bangkok Yellow' 13
Zephyranthes 'Batik' 23
Zephyranthes 'Big Dude' 9
Zephyranthes candida 86
Zephyranthes 'Capricorn' 2
Zephyranthes citrina 23
Zephyranthes commersoniana 17
Zephyranthes 'Confection' 7
Zephyranthes drummondii 14
Zephyranthes drummondii 'Fedora' 11
Zephyranthes drummondii (San Carlos form) 7
Zephyranthes 'Early and Often' 1
Zephyranthes 'El Cielo' 10
Zephyranthes (ex. 'Apricot Queen') 8
Zephyranthes 'Fantasy Island' 2
Zephyranthes flavissima 26
Zephyranthes fosteri × Z. simpsonii 10
Zephyranthes grandiflora 5
Zephyranthes 'Grandjax' 28
Zephyranthes 'Itsy Bitsy' 17
Zephyranthes 'Jakarta Jewel' 1
Zephyranthes 'Java' 9
Zephyranthes jonesii 2
Zephyranthes 'Krakatau' 3
Zephyranthes 'Labuffarosea' 27
Zephyranthes 'Lily Pies' 31
Zephyranthes lindleyana 2
Zephyranthes 'Lydia Luckman' 1
Zephyranthes macrosiphon × Z. simpsonii 3
Zephyranthes minima 10
Zephyranthes morrisclintii 1
Zephyranthes morrisclintii (Redneck Romance strain) 6
Zephyranthes 'Moulin Rouge' 10
Zephyranthes 'Paul Niemi' 10
Zephyranthes 'Pink Panther' 5
Zephyranthes 'Prairie Sunset' 7
Zephyranthes primulina 14
Zephyranthes reginae 14
Zephyranthes smallii 4
Zephyranthes 'Star of Bethlehem' 2
Zephyranthes (Sunset Strain) 18
Zephyranthes 'Tenexio Apricot' 17
Zephyranthes 'Tention' 6
Zephyranthes traubii 'San Carlos Form' 23
Zigadenus elegans 5
Zigadenus fremontii 10
Zigadenus glaberrimus 1
Zingiber 2
Zingiber kawagoii 2
Zingiber mioga 3
Zingiber mioga 'Dancing Crane' 11
Zingiber mioga 'Silver Arrow' 5
Zingiber officinale 3
Zingiber 'Stripe Edge' 1
Zingiber 'Twice as Nice' 3
Zinnia 87
Zinnia angustifolia 3
Zinnia angustifolia 'Crystal White' 1
Zinnia elegans 16
Zinnia elegans 'Benary's Giant Coral' 12
Zinnia elegans 'Holi Scarlet' 2
Zinnia elegans 2
Zinnia elegans 'Queen Red Lime' 11
Zinnia elegans 'Queeny Lime Orange' 1
Zinnia grandiflora 16
Zinnia grandiflora 'Gold on Blue' 11
Zinnia 2
Zinnia marylandica 1
Zinnia marylandica 'Pas1246684' 7
Zinnia marylandica 'PAS1374895' 1
Zinnia marylandica 'Pas989992' 3
Zinnia 'Profusion Double Deep Salmon' 20
Zinnia 'Profusion Double Hot Cherry' 14
Zinnia 'Profusion Red' 10
Zinnia 7
Zizia aurea 6
Zizia trifoliata 1
Ziziphus 3
Ziziphus jujuba 20
Ziziphus jujuba var. inermis 18
Ziziphus jujuba 'So' 9
Zoysia 16