Botanical Name Index

The 17,724 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 32
Abelia chinensis 'White Surprise' 1
Abelia floribunda 8
Abelia ×grandiflora 12
Abelia ×grandiflora 'Abelops' 10
Abelia ×grandiflora 'Canyon Creek' 11
Abelia ×grandiflora 'Compacta' 3
Abelia ×grandiflora 'Conti' 17
Abelia ×grandiflora (Dirr #6) 1
Abelia ×grandiflora 'Francis Mason' 4
Abelia ×grandiflora 'Goldenglossy' 9
Abelia ×grandiflora 'Hopleys' 16
Abelia ×grandiflora 'Kaleidoscope' 31
Abelia ×grandiflora 'Keiser' 6
Abelia ×grandiflora 'Little Richard' 3
Abelia ×grandiflora 'Mardi Gras' 5
Abelia ×grandiflora 'Margarita' 6
Abelia ×grandiflora 'Minduo1' 8
Abelia ×grandiflora 'Radiance' 16
Abelia ×grandiflora 'RNTOM' 4
Abelia ×grandiflora 'Rose Creek' 9
Abelia ×grandiflora 'Sherwoodii' 2
Abelia ×grandiflora 'Sunrise' 9
Abelia ×grandiflora 'Wev02' 8
Abelia 'Lynn' 5
Abelia parvifolia 8
Abelia parvifolia 'Saxon Gold' 10
Abelia 'Raspberry Profusion' 2
Abelia 'SRPabeper' (Peach Perfection) 2
Abelia 'X10-9002-23' 8
Abelia 'X10-9010-12' 13
Abelia 'X10-9028-7' 5
Abelia 'X10-9044-1' 5
Abeliophyllum distichum 6
Abeliophyllum distichum Roseum Group 1
Abelmoschus esculentus 6
Abelmoschus manihot 15
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 beshanzuensis 2
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 50
Abies firma 'Nana Horizontalis' 2
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 'Ice Breaker' 2
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 'Welleseind' 3
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' 9
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 Schwartz' 2
Abutilon (Chinese red) 18
Abutilon ×hybridum 1
Abutilon 'Kentish Belle' 3
Abutilon 'Marion Stewart' 4
Abutilon megapotamicum 2
Abutilon megapotamicum 'Little Imp' 36
Abutilon megapotamicum 'Ruffles' 6
Abutilon 'Orange Hot Lava' 11
Abutilon pictum 10
Abutilon pictum 'Thompsonii' 3
Abutilon 'Souvenir de Bonn' 10
Abutilon tridens 3
Abutilon vitifolium 4
Abutilon vitifolium 'Sauvie Clouds' 3
Acacia 27
Acacia baileyana 7
Acacia cognata 'Green Mist' 5
Acacia constricta 5
Acacia cultriformis 9
Acacia elata 2
Acacia greggii 2
Acacia pataczeckii 1
Acacia podalyriifolia 5
Acacia pravissima 9
Acacia willardiana 3
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 22
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 4
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 mollis 14
Acanthus mollis 'Hollard's Gold' 3
Acanthus mollis 'Tasmanian Angel' 6
Acanthus 'Morning Candle' 16
Acanthus sennii 30
Acanthus spinosus 22
Acanthus 'Summer Beauty' 19
Acanthus 'Whitewater' 13
Acca sellowiana 16
Acca sellowiana 'Kawatiri' 6
Acca sellowiana 'Nazemetz' 4
Acca sellowiana 'NCSU Hardy' 34
Acca sellowiana 'Opal Star' 3
Acer 226
Acer acuminatum 3
Acer albopurpurascens 10
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' 4
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' 4
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' 2
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 capillipes 'Honey Dew' 2
Acer cappadocicum subsp. cappadocicum 8
Acer cappadocicum subsp. cappadocicum 'Aureum' 8
Acer cappadocicum subsp. sinicum 1
Acer carpinifolium 8
Acer carpinifolium 'Esveld Select' 1
Acer caudatifolium 45
Acer caudatifolium (orange stem) 4
Acer caudatifolium 'Variegata' 8
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 10
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 60
Acer aff. fabri 2
Acer ×freemanii 2
Acer ×freemanii 'Celzam' 2
Acer ×freemanii 'Jeffersred' 1
Acer ×freemanii 'Jfs-kw78' 2
Acer ×freemanii 'Marmo' 1
Acer ×freemanii (variegated form) 2
Acer 'Girard's Selection' 9
Acer glabrum 14
Acer grandidentatum 6
Acer grandidentatum 'Hipazam' 3
Acer grandidentatum 'JFS-NuMex 3' 3
Acer griseum 71
Acer griseum × A. pseudoplatanus 3
Acer griseum 'JFS KW8AGRI' 3
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' 28
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' 15
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' 29
Acer nigrum 7
Acer nipponicum 2
Acer oblongum 34
Acer oliverianum 3
Acer oliverianum 'Nakahara Beni' 3
Acer palmatum 425
Acer palmatum × A. circinatum 9
Acer palmatum 'Aka Kawa Hime' 10
Acer palmatum 'Aka-shigitatsu-sawa' 2
Acer palmatum 'Akane' 1
Acer palmatum 'Alan's Gold' 4
Acer palmatum 'Amagi Shigure' 13
Acer palmatum 'Amber Ghost' 10
Acer palmatum 'Ao kanzashi' 12
Acer palmatum 'Aoyagi' 6
Acer palmatum 'Arakawa' 18
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' 32
Acer palmatum 'Beni komachi' 23
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' 19
Acer palmatum 'Bloodgood' 29
Acer palmatum 'Burgundy Lace' 5
Acer palmatum 'Butterfly' 11
Acer palmatum 'Calico' 9
Acer palmatum 'Chishio Improved' 4
Acer palmatum 'Coonara Pygmy' 18
Acer palmatum 'Corallinum' 8
Acer palmatum 'Crimson Princess' 3
Acer palmatum 'Crimson Queen' 9
Acer palmatum Dissectum Atropurpureum Group 297
Acer palmatum Dissectum Viride Group 35
Acer palmatum 'Dragon Tears' 1
Acer palmatum 'E.P.' 12
Acer palmatum 'Emerald Lace' 14
Acer palmatum 'Emperor I' 8
Acer palmatum 'Enkan' 6
Acer palmatum 'Fairy Hair' 2
Acer palmatum 'Fireball' 4
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' 10
Acer palmatum 'Germaine's Gyration' 5
Acer palmatum 'Glowing Embers' 1
Acer palmatum 'Gold Digger' 3
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 'Hagoromo' 5
Acer palmatum 'Hana Matoi' 16
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' 12
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' 6
Acer palmatum 'Jerre Schwartz' 3
Acer palmatum 'Jirô shidare' 6
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' 13
Acer palmatum 'Koto-no-ito' 2
Acer palmatum 'Koyamadari Nishiki' 5
Acer palmatum 'Koyuki' 3
Acer palmatum 'Krazy Krinkle' 5
Acer palmatum 'Kryptonite' 1
Acer palmatum 'Kuro Hime' 8
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' 3
Acer palmatum 'Mardi Gras' 11
Acer palmatum 'Margaret Bee' 17
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' 19
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' 8
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' 6
Acer palmatum 'Red Baron' 10
Acer palmatum 'Red Dragon' 9
Acer palmatum 'Red Filigree Lace' 11
Acer palmatum 'Red Pygmy' 15
Acer palmatum 'Red Select' 13
Acer palmatum 'Reticulatum' 1
Acer palmatum 'Rhode Island Red' 15
Acer palmatum 'Roja Yatsubusa' 3
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' 56
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' 14
Acer palmatum 'Seiun kaku' 16
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' 8
Acer palmatum 'Shishi Yatsubusa' 7
Acer palmatum 'Shishigashira' 29
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' 3
Acer palmatum 'Tamuke yama' 6
Acer palmatum 'Taylor' 4
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' 12
Acer palmatum 'Villa Taranto' 2
Acer palmatum 'Wabito' 13
Acer palmatum 'Waterfall' 21
Acer palmatum 'William S. Campbell' 2
Acer palmatum 'Willow Leaf' 2
Acer palmatum 'Wilson's Pink Dwarf' 2
Acer palmatum 'Wou Nishiki' 19
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' 5
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 2
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' 31
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' 12
Acer saccharum 34
Acer saccharum 'Barrett Cole' 13
Acer saccharum 'Calliope' 2
Acer saccharum 1
Acer saccharum 'Flax Mill Majesty' 23
Acer saccharum 'Millane Dwarf' 4
Acer saccharum 'Monumentale' 5
Acer saccharum 'Newton Sentry' 3
Acer saccharum 'PNI 0285' 1
Acer saccharum 'Reba' 5
Acer saccharum 'Sweet Shadow' 1
Acer sempervirens 11
Acer serrulatum 5
Acer serrulatum 5
Acer shirasawanum 6
Acer shirasawanum 'Aureum' 15
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' 3
Acer shirasawanum 'Yasemin' 5
Acer sieboldianum 'Kumoi nishiki' 2
Acer sieboldianum 'Seki-no-kegon' 14
Acer sikkimense 6
Acer sikkimense subsp. metcalfii 1
Acer skutchii 12
Acer skutchii 'Tequila Sunrise' 22
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 17
Acer tataricum subsp. tataricum 13
Acer tataricum subsp. theiferum 2
Acer tegmentosum 'Joe Witt' 3
Acer tegmentosum 'White Tigress' 15
Acer tonkinense 3
Acer triflorum 28
Acer truncatum 6
Acer truncatum 'Golden Dragon' 5
Acer truncatum 'WF-AT1' 25
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 10
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' 5
Achillea 'Pink Grapefruit' 2
Achillea ptarmica 'Marshmallow' 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 16
Aconitum carmichaelii 7
Aconitum columbianum 11
Aconitum fukutomei var. formosanum 2
Aconitum hemsleyanum 3
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' 11
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 16
Actaea rubra f. neglecta 4
Actaea simplex 4
Actaea simplex [Atropurpurea Group] 'Black Negligee' 1
Actaea simplex [Atropurpurea Group] 'Brunette' 4
Actaea simplex [Atropurpurea Group] 'Hillside Black Beauty' 5
Actinidia 11
Actinidia arguta 2
Actinidia arguta 'Anna' 1
Actinidia arguta 'Arctic Beauty' 6
Actinidia arguta (variegated) 4
Actinidia chinensis var. setosa 7
Actinidia deliciosa 21
Actinidia kolomikta 10
Actinidia polygama 8
Actinodaphne lancifolia 2
Actinodaphne lancifolia var. sinensis 1
Adansonia digitata 3
Adenium obesum 1
Adenophora 2
Adenophora confusa 1
Adenophora morrisonensis subsp. uehatae 2
Adenophora triphylla var. japonica 2
Adiantum 7
Adiantum aleuticum 11
Adiantum aleuticum 'Imbricatum' 3
Adiantum capillus-veneris 11
Adiantum capillus-veneris 'Bermuda Run' 3
Adiantum capillus-veneris 'Falling Waters' 2
Adiantum capillus-veneris 'Fan Dance' 3
Adiantum caudatum 9
Adiantum formosum 1
Adiantum 'Golden Michael' 2
Adiantum hispidulum 4
Adiantum hispidulum 'Mount Haleakala' 3
Adiantum ×mairisii 6
Adiantum pedatum 20
Adiantum venustum 16
Adina rubella 14
Adina rubella 'Purple Flower' 17
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 4
Aeschynanthus parvifolius 1
Aesculus 44
Aesculus ×arnoldiana 10
Aesculus californica 24
Aesculus californica 'Canyon Pink' 11
Aesculus ×carnea 4
Aesculus ×carnea 'Aureomarginata' 1
Aesculus ×carnea 'Briotii' 10
Aesculus ×carnea 'Fort McNair' 6
Aesculus ×carnea 'O'Neill' 3
Aesculus ×carnea 'Rosea' 37
Aesculus ×carnea 'Variegata' 28
Aesculus ×carnea (variegated) 2
Aesculus chinensis 16
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 31
Aesculus parviflora 'Rogers' 2
Aesculus parviflora f. serotina 4
Aesculus pavia 20
Aesculus pavia 'Fishtail' 9
Aesculus pavia 'Humilis' 25
Aesculus pavia var. pavia 22
Aesculus pavia (PRN preferred selection) 2
Aesculus pavia 'Splendens' 33
Aesculus pavia (yellow) 2
Aesculus pavia (yellow splash) 1
Aesculus sylvatica 14
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 grandiflorum 1
Aethionema membranaccum 2
Aethionema saxatile 8
Aethionema schistosum 16
Aethionema subulatum 22
aff. Chirita 4
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 'Monmid' 0
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 'Desert Sunrise' 3
Agastache foeniculum 'Golden Jubilee' 9
Agastache 'Kudos Gold' 2
Agastache mexicana 2
Agastache mexicana 'Toronjil Moroda' 1
Agastache 'Morello' 11
Agastache pallidiflora 6
Agastache pringlei 1
Agastache 'Purple Haze' 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 'Tutti-frutti' 2
Agastache urticifolia 11
Agathis australis 15
Agathis dammara 1
Agathis macrophylla 4
Agathis microstachya 2
Agathis moorei 2
Agathis robusta 3
Agave 169
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 'Striata' 1
Agave ×amourifolia 'Twisted Tongue' 3
Agave applanata 2
Agave asperrima 108
Agave asperrima subsp. potosiensis 1
Agave atrovirens var. mirabilis 4
Agave attenuata 6
Agave attenuata 'Raea's Gold' 1
Agave 'Black Spruce' 2
Agave 'Bluebell Giants' 0
Agave bovicornuta 3
Agave bracteosa 3
Agave bracteosa 'Monterrey Frost' 4
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' 8
Agave dasyliriodes 6
Agave deserti 2
Agave desmettiana 'Joe Hoak' 2
Agave desmettiana 'Variegata' 1
Agave difformis 4
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 58
Agave lophantha × A. salmiana var. ferox 'Logan Calhoun' 22
Agave lophantha 'La Bufa Baby' 12
Agave lophantha 'Multigreen' 0
Agave lophantha 'Quadricolor' 9
Agave lophantha 'Splendida' 5
Agave lurida 'Marginata' 1
Agave macroacantha 1
Agave macroacantha 'Blue Ribbon' 0
Agave macroculmis 3
Agave montana 26
Agave montana 'Baccarat' 3
Agave montana (La Plena form) 1
Agave 'Mr. Ripple' 23
Agave multifilifera 10
Agave multifilifera (Basascachi Falls) 3
Agave multifilifera 'Starshine' 0
Agave murpheyi 4
Agave ocahui 4
Agave ocahui var. longifolia 3
Agave ocahui var. ocahui 3
Agave ovatifolia 104
Agave ovatifolia 'Frosty Blue' 50
Agave ovatifolia 'Killer' 3
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' 76
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 54
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) 15
Agave potatorum 'Snowfall' 1
Agave ×protamericana 31
Agave ×protamericana 'Abbey Gardens' 2
Agave ×protamericana 'Funky Toes' 0
Agave 'Ripple Effect' 2
Agave salmiana 217
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 61
Agave schidigera 'Royal Flush' 3
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 5
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' 11
Agave victoriae-reginae 'Ring of Gold' 4
Agave victoriae-reginae 'Sasanoyuki Shiro Fukurin' 1
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' 1
Ageratina ligustrina 6
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 16
Ajania pacifica 23
Ajuga 13
Ajuga ×bastarda 'Sparkler' 3
Ajuga 'Blueberry Muffin' 2
Ajuga 'Cordial Canary' 6
Ajuga genevensis 1
Ajuga incisa 'Bikun' 22
Ajuga incisa 'Blue Enigma' 1
Ajuga incisa (variegated) 3
Ajuga 'Parrot Paradise' 5
Ajuga 'Petite Parakeet' 2
Ajuga pyramidalis 'Metallica Crispa' 4
Ajuga reptans 7
Ajuga reptans f. albiflora 'Alba' 1
Ajuga reptans 'Assaj1' 2
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' 8
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 32
Albizia julibrissin 15
Albizia julibrissin (ex. 'Ishii Weeping') 2
Albizia julibrissin (ex. 'Summer Chocolate') 5
Albizia julibrissin 'Fine Wine' 1
Albizia julibrissin 'Ishii Weeping' 60
Albizia julibrissin 'Ncaj1' 5
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 63
Allium akaka 5
Allium 'Ambassador' 2
Allium amethystinum 1
Allium ampeloprasum var. ampeloprasum 4
Allium ampeloprasum (Porrum Group) 1
Allium atropurpureum 4
Allium caeruleum 7
Allium callimischon subsp. haemostictum 1
Allium canadense var. florosum 'White Flag' 23
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 6
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' 6
Allium jesdianum 'Akbulak' 2
Allium jesdianum 'Early Emperor' 3
Allium karataviense 7
Allium karataviense (Red & Pink Giant mix) 3
Allium kermesinum 1
Allium 'Lavender Bubbles' 2
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 3
Allium pulchellum 10
Allium 'Rien Poortvliet' 3
Allium rosenbachianum 2
Allium sativum 4
Allium schoenoprasum 9
Allium schubertii 10
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 12
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 35
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' 16
Alocasia odora 0
Alocasia odora 'Okinawa Silver' 4
Alocasia 'Portodora' 14
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 gastrolea 'Midnight' 2
Aloe gerstneri 1
Aloe glauca 2
Aloe 'Grassy Lassie' 13
Aloe humilis 2
Aloe maculata 27
Aloe maculata 'Fort Worth' 13
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 3
Aloysia citriodora 2
Aloysia gratissima 4
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 42
Alstroemeria aurea 2
Alstroemeria 'Casablanca' 14
Alstroemeria 'Freedom' 24
Alstroemeria ×hybrida 1
Alstroemeria ×hybrida 'Pas2052' 8
Alstroemeria ×hybrida 'PAS2055' 3
Alstroemeria psittacina 'Variegata' 12
Alstroemeria 'Red Valley' 2
Alstroemeria 'Stapripal' 2
Alstroemeria 'Sweet Laura' 16
Alstroemeria 'Tangerine Tango' 1
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 'Golden Spring' 1
Alyssum murale 3
Alyssum oxycarpum 6
Alyssum saxatile 0
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' 35
×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 'Autumn Brilliance' 2
Amelanchier ×grandiflora 'Silver Fountain' 18
Amelanchier ×grandiflora (yellow splash) 1
Amelanchier laevis 'Cumulus' 1
Amelanchier lamarkii 2
Amelanchier obovalis 2
Amelanchier sanguinea 6
Amelanchier stolonifera 2
×Amelasorbus jackii 1
Amicia zygomeris 1
Amitostigma gracile 1
Ammocharis coranica 17
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) 4
Amorphophallus henryi (PDN #2) 3
Amorphophallus kiusianus 38
Amorphophallus konjac 33
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 90
Amorphophallus yunnanensis 15
Ampelaster carolinianus 36
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 21
Amsonia hubrichtii 68
Amsonia hubrichtii 'Butterscotch' 1
Amsonia illustris 2
Amsonia jonesii 3
Amsonia peeblesii 6
Amsonia rigida 4
Amsonia 'Starstruck' 1
Amsonia tabernaemontana 28
Amsonia tabernaemontana 'Montana' 2
Amsonia tabernaemontana var. salicifolia 4
Amsonia tabernaemontana 'Short Stack' 3
Amsonia tabernaemontana 'Storm Cloud' 9
Amsonia tabernaemontana var. tabernaemontana 6
Anacampseros rufescens 14
Anacyclus pyrethrum var. depressus 6
Anagallis 2
Anagallis monelli subsp. monelli 2
Ananas 6
Ananas comosus 7
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 3
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 'Hollandia' (De Caen Group) 2
Anemone coronaria 'Mister Fokker' (De Caen Group) 5
Anemone coronaria [St. Brigid Group] 'Lord Lieutenant' 3
Anemone coronaria [St. Brigid Group] 'Mount Everest' 1
Anemone coronaria 'Sylphide' (De Caen Group) 1
Anemone coronaria 'The Admiral' (St. Brigid Group) 3
Anemone 'Curtain Call Deep Rose' 2
Anemone deltoidea 8
Anemone hupehensis 2
Anemone hupehensis var. japonica 20
Anemone hupehensis 'Pretty Lady Diana' 2
Anemone hupehensis 'Pretty Lady Emily' 0
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' 8
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 3
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 'Balarcrose' 0
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 3
Anigozanthos 1
Anigozanthos 'Bush Pearl' 3
Anisacanthus 1
Anisacanthus linearis 3
Anisacanthus quadrifidus var. wrightii 7
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 barrelieri 4
Antirrhinum braun-blanquetii 14
Antirrhinum 'Dulcinea's Heart' 3
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 2
Aphelandra squarrosa 4
Aphelandra squarrosa 'Dania' 1
Aphelandra tetragona 1
Apium graveolens 2
Aplectrum hyemale 5
Apocynum androsaemifolium 3
Aponogeton distachyos 13
Aquilegia 56
Aquilegia atrata 1
Aquilegia baluchistanica 0
Aquilegia bertolonii 1
Aquilegia buergeriana (dwarf form) 15
Aquilegia caerulea 33
Aquilegia caerulea 9
Aquilegia caerulea 14
Aquilegia caerulea 11
Aquilegia caerulea 4
Aquilegia canadensis 20
Aquilegia canadensis 'Corbett' 4
Aquilegia chrysantha 'Denver Gold' 2
Aquilegia eximia 2
Aquilegia flabellata 2
Aquilegia flabellata f. alba 1
Aquilegia formosa 8
Aquilegia 4
Aquilegia Mckana Group 5
Aquilegia oxysepala var. kansuensis 9
Aquilegia parviflora 4
Aquilegia 'Pink Lanterns' 1
Aquilegia ×puryearana 'Bernice Ikins' 17
Aquilegia 'Roman Bronze' 3
Aquilegia saximontana 1
Aquilegia transsilvanica 3
Aquilegia vulgaris 'Nora Barlow' 3
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 davalliaeformis 7
Arachniodes simplicior 14
Arachniodes standishii 7
Araiostegia pseudocystopteris 9
Aralia 13
Aralia cachemirica 2
Aralia californica 4
Aralia cordata 9
Aralia cordata 'Sun King' 16
Aralia elata 4
Aralia elata 'Aureovariegata' 8
Aralia elata 'Silver Umbrella' 16
Aralia elata 'Variegata' 8
Aralia nudicaulis 4
Aralia racemosa 7
Aralia spinosa 15
Araliopsis 1
Araucaria 13
Araucaria angustifolia 12
Araucaria araucana 97
Araucaria araucana × A. angustifolia 16
Araucaria bidwillii 6
Araucaria columnaris 6
Araucaria cunninghamii 1
Araucaria cunninghamii var. papuana 3
Araucaria heterophylla 17
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' 24
Arbutus unedo 'Elfin King' 45
Arctostaphylos 9
Arctostaphylos arguta 1
Arctostaphylos ×coloradensis 1
Arctostaphylos ×coloradensis 'Panchito' 4
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' 15
Ardisia crenata 'Haku Ho' 5
Ardisia crenata 'Kotobuki' 5
Ardisia crenata 'Shiromi Daikokuten' 6
Ardisia crenata (white-fruited) 4
Ardisia crispa 2
Ardisia crispa 'Kokkou Daruma' 2
Ardisia japonica 12
Ardisia japonica 'Amanogawa' 5
Ardisia japonica 'Andre the Giant' 14
Ardisia japonica 'Angyo Pixie' 2
Ardisia japonica 'Asahi' 3
Ardisia japonica 'Beni-no-tsukasa' 6
Ardisia japonica 'Biwa Nishiki' 5
Ardisia japonica 'Chirimen' 31
Ardisia japonica 'Chizuna' 2
Ardisia japonica 'Fuji' 5
Ardisia japonica 'Gosho Guruma' 8
Ardisia japonica 'Hakuou' 9
Ardisia japonica 'Hakuoukan' (White King Crown) 5
Ardisia japonica 'Hanaguruma' 5
Ardisia japonica 'Hanatei' 6
Ardisia japonica 'Hi-no-tsukasa' 3
Ardisia japonica 'Hinode' 4
Ardisia japonica 'Homare' 3
Ardisia japonica 'Houkan' 4
Ardisia japonica 'Ito-Fukurin' 4
Ardisia japonica 'Izu Shinju' 3
Ardisia japonica 'Kimigayo' 1
Ardisia japonica 'Kokikan' 5
Ardisia japonica 'Koshi-no-Hana' 6
Ardisia japonica 'Koukan' 5
Ardisia japonica 'Kousetsu' 4
Ardisia japonica 'Kyokou' 3
Ardisia japonica 'Maiko' 2
Ardisia japonica 'Maruyama Sunago' 2
Ardisia japonica 'Matsushima' 4
Ardisia japonica 'Mikado' 4
Ardisia japonica 'Mino-no-Yuki' 2
Ardisia japonica 'Miyo Nishiki' 5
Ardisia japonica 'Nagaoka Nishiki' 2
Ardisia japonica 'Nami-no-Hikari' 3
Ardisia japonica 'Ougonka' 3
Ardisia japonica 'Shirobotan' 2
Ardisia japonica 'Shirofu Chirimen' 2
Ardisia japonica 'Takasago' 2
Ardisia japonica 'Tanoue Nishiki' 3
Ardisia japonica 'Tenko Nishiki' 2
Ardisia japonica 'Tsujigahana' 7
Ardisia japonica 'Tsuzure-no-Nishiki' 2
Ardisia japonica 'Usawa' 6
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 3
Arisaema dracontium 3
Arisaema erubescens 9
Arisaema fargesii 15
Arisaema formosanum 6
Arisaema grapsospadix 3
Arisaema griffithii 6
Arisaema heterophyllum 10
Arisaema kiushianum 7
Arisaema nepenthoides 1
Arisaema ringens 46
Arisaema saxatile 5
Arisaema sazensoo 8
Arisaema serratum 5
Arisaema serratum var. serratum 2
Arisaema serratum var. serratum 'Ulleung Treasure' 2
Arisaema sikokianum 15
Arisaema sylvestrii 2
Arisaema taiwanense 45
Arisaema taiwanense (silver sheen) 11
Arisaema thunbergii 11
Arisaema thunbergii subsp. urashima 15
Arisaema thunbergii subsp. urashima 'Stormy Seas' 3
Arisaema tortuosum 4
Arisaema tosaense 8
Arisaema triphyllum 35
Arisaema triphyllum (black stem selection) 5
Arisaema triphyllum 'Blackjack' 8
Arisaema triphyllum 'Starburst' 2
Arisaema wilsonii 4
Arisarum proboscideum 5
Aristea ecklonii 3
Aristolochia 2
Aristolochia californica 1
Aristolochia clematitis 8
Aristolochia elegans 1
Aristolochia fimbriata 57
Aristolochia gigantea 5
Aristolochia labiata 1
Aristolochia macrophylla 1
Aristolochia manshuriensis 2
Aristolochia quercetorum 2
Aristolochia watsonii 1
Aristolochia zollingeriana 2
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
Aronia melanocarpa 'UCONNAM012' 3
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 molinieri 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 4
Artocarpus incisus 4
Arum 1
Arum concinnatum 13
Arum creticum 5
Arum cyrenaicum × A. concinnatum 2
Arum dioscoridis 5
Arum dioscoridis var. dioscoridis 3
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' 2
Arum italicum subsp. italicum 48
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 10
Aruncus 'Misty Lace' 3
Arundina graminifolia 6
Arundinaria 1
Arundinaria viridistriata 1
Arundo 1
Arundo donax 6
Arundo donax 'Golden Chain' 15
Arundo donax 'Peppermint Stick' 15
Arundo donax 'Variegata' 19
Asarina procumbens 10
Asarum 40
Asarum albomaculatum 3
Asarum arifolium 10
Asarum arifolium 'Brunswick Stew' 4
Asarum asaroides 7
Asarum asperum 6
Asarum campaniflorum 8
Asarum canadense 11
Asarum caudatum 14
Asarum caudigerum 4
Asarum caulescens 1
Asarum crassum 1
Asarum crispulatum 2
Asarum debile 4
Asarum delavayi 15
Asarum europaeum 6
Asarum forbesii 2
Asarum hartwegii 1
Asarum hexalobum 1
Asarum hirsutisepalum 4
Asarum hirsutisepalum 'Sarlacc' 25
Asarum hypogynum 11
Asarum ichangense 2
Asarum kumageanum 9
Asarum lemmonii 2
Asarum longirhizomatosum 3
Asarum macranthum 45
Asarum macranthum (A1TW-001c) 2
Asarum macranthum (A1TW-171c) 1
Asarum macranthum (A1TW-171e) 2
Asarum marmoratum 2
Asarum maximum 6
Asarum maximum 'Ling Ling' 11
Asarum maximum 'Shell Shocked' 1
Asarum megacalyx 5
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 nobilissimum 3
Asarum porphyronotum 3
Asarum sakawanum 3
Asarum satsumense 2
Asarum savatieri 1
Asarum 'Setsu Getsu Ka' 6
Asarum shuttleworthii 1
Asarum shuttleworthii var. harperi 2
Asarum shuttleworthii var. harperi 'Callaway' 4
Asarum sieboldii 2
Asarum simile 2
Asarum (species 3) 1
Asarum speciosum 1
Asarum speciosum 'Woodlander's Select' 5
Asarum splendens 14
Asarum subglobosum 8
Asarum aff. taipingshanianum 5
Asarum taipingshanianum 14
Asarum takaoi 'Roundabout' 5
Asarum takaoi 'Sekkyo' 0
Asarum virginicum 6
Asclepias 6
Asclepias angustifolia 7
Asclepias asperula 2
Asclepias curassavica 2
Asclepias fascicularis 1
Asclepias hallii 2
Asclepias humistrata 5
Asclepias incarnata 22
Asclepias incarnata 'Large Marge' 1
Asclepias lanceolata 3
Asclepias linearis 1
Asclepias 'Monarch Promise' 2
Asclepias pedicellata 2
Asclepias perennis 1
Asclepias purpurascens 1
Asclepias speciosa 7
Asclepias syriaca 7
Asclepias tuberosa 45
Asclepias tuberosa 'Hello Yellow' 1
Asclepias tuberosa (orange-red) 12
Asclepias tuberosa subsp. tuberosa 56
Asclepias tuberosa (yellow) 5
Asimina angustifolia 16
Asimina parviflora 1
Asimina triloba 14
Asparagus 4
Asparagus acutifolius 2
Asparagus africanus 4
Asparagus cochinchinensis 8
Asparagus densiflorus 3
Asparagus densiflorus 'Hardy Sprengeri' 12
Asparagus densiflorus Sprengeri Group 6
Asparagus densiflorus [Sprengeri Group] 'Graham's Mini' 2
Asparagus denudatus 15
Asparagus 'Ellington' 11
Asparagus falcatus 4
Asparagus filicinus 2
Asparagus microraphis 8
Asparagus officinalis 13
Asparagus oligoclonos 4
Asparagus schoberioides 4
Asparagus setaceus 9
Asparagus suaveolens 2
Asparagus suaveolens (Penrock form) 3
Asparagus virgatus 6
Asparagus volubilis 2
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 4
Aspidistra 6
Aspidistra attenuata 5
Aspidistra attenuata 'Taiwan Treasure' 1
Aspidistra basalis 'Green Jeans' 2
Aspidistra 'China Moon' 2
Aspidistra (dwarf streaked) 7
Aspidistra ebianensis 'Flowing Fountains' 2
Aspidistra ebianensis (spotted form) 3
Aspidistra elatior 7
Aspidistra elatior 'Akebono' 7
Aspidistra elatior 'Asahi' 41
Aspidistra elatior (ex. 'Hoshi Zora') 4
Aspidistra elatior 'Hoshi Zora' 7
Aspidistra elatior 'Ippin' 4
Aspidistra elatior (large pale spots) 1
Aspidistra elatior 'Lennon's Song' 15
Aspidistra elatior 'Milky Way' 0
Aspidistra elatior 'Morning Frost' 2
Aspidistra elatior 'Okame' 9
Aspidistra elatior 'Sekko Kan' 2
Aspidistra elatior 'Snow Cap' 8
Aspidistra elatior 'Stars and Stripes' 6
Aspidistra elatior 'Taihou' 1
Aspidistra elatior 'To Ryu Mon' 2
Aspidistra elatior 'Variegata' 1
Aspidistra (large, pale spots) 3
Aspidistra mushaensis 'Spotty Dotty' 4
Aspidistra oblanceifolia 'Nagoya Stars' 15
Aspidistra omeiensis 'Come Pleated' 2
Aspidistra (pale spots) 4
Aspidistra sichuanensis 'Dappled Expectation' 7
Aspidistra sichuanensis 'Ghost Spots' 3
Aspidistra sichuanensis 'Gold Lancer' 3
Aspidistra sichuanensis 'Rawhide' 7
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 30
Asplenium scolopendrium 'Kaye's Lacerated' 4
Asplenium scolopendrium Marginatum Group 2
Asplenium scolopendrium 'Undulatum' 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' 7
Aster ageratoides 'Ezo Murasaki' 18
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 japonica 'Rheinland' 4
Astilbe longicarpa 6
Astilbe cf. longicarpa 1
Astilbe rivularis var. myriantha 2
Astilbe ×rosea 'Peach Blossom' 1
Astilbe simplicifolia 'Darwin's Snow Sprite' 2
Astilbe thunbergii 'Chocolate Shogun' 5
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' 4
Astrolepis windhamii 2
Astrophytum myriostigma 1
Asystasia gangetica 1
Athrotaxis cupressoides 4
Athrotaxis selaginoides 4
Athyrium 4
Athyrium 'Branford Beauty' 4
Athyrium brevifrons 4
Athyrium filix-femina 6
Athyrium filix-femina 'Cruciato-cristatum' 11
Athyrium filix-femina 'Victoriae' 5
Athyrium 'Ghost' 9
Athyrium 'Godzilla' 7
Athyrium 'Lady In Red' 3
Athyrium niponicum 4
Athyrium niponicum 'Crested Surf' 2
Athyrium niponicum 'Lemon Cream' 4
Athyrium niponicum var. pictum 9
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' 9
Athyrium otophorum 5
Atriplex 1
Atriplex canescens 5
Atriplex confertifolia 3
Atropa bella-donna 3
Attalea 2
Attalea cohune 4
Aubrieta 5
Aubrieta ×hybrida 3
Aucuba 28
Aucuba albopunctifolia 1
Aucuba chinensis 17
Aucuba aff. chlorascens 3
Aucuba aff. confertiflora 1
Aucuba himalaica 4
Aucuba himalaica var. dolichophylla 3
Aucuba japonica 'Arashiyama' 10
Aucuba japonica 'Big Mamma' 4
Aucuba japonica var. borealis 4
Aucuba japonica var. borealis 'Honshu' 6
Aucuba japonica 'Cecil-Alice' 8
Aucuba japonica (Chicory form) 3
Aucuba japonica 'Cho Dai Ji' 10
Aucuba japonica 'Clent Wortley Hall' 1
Aucuba japonica 'Contorta' 5
Aucuba japonica (contorted variegated) 21
Aucuba japonica (cream-white, contorted) 7
Aucuba japonica 'Crotonifolia' 11
Aucuba japonica 'Daisuke's Tiger' 9
Aucuba japonica 'Daruma-no-shima' 1
Aucuba japonica 'Eclipse' 4
Aucuba japonica 'February Star' 2
Aucuba japonica 'Fructu Albo' 5
Aucuba japonica 'Fujikawa' 3
Aucuba japonica 'Ginsu' 1
Aucuba japonica 'Gold Dust' 1
Aucuba japonica (gold sectored) 4
Aucuba japonica (gold spot flushing) 4
Aucuba japonica 'Golden Girl' 2
Aucuba japonica 'Golden King' 4
Aucuba japonica 'Goldieana' 1
Aucuba japonica 'Goldilocks' 5
Aucuba japonica (Hamilton huge leaf) 1
Aucuba japonica 'Hime Kikufurin' 3
Aucuba japonica 'Hosoba Hoshifu' 9
Aucuba japonica 'Kameba' 3
Aucuba japonica 'Katoaba' 2
Aucuba japonica 'Ki Mi' 3
Aucuba japonica 'Koshiji Nishiki' 6
Aucuba japonica 'Lancifolia' 2
Aucuba japonica 'Latiomaculata' 1
Aucuba japonica 'Lemon Flare' 2
Aucuba japonica 'Leucocarpa' 4
Aucuba japonica 'Limbata' 18
Aucuba japonica 'Limbata' 5
Aucuba japonica 'Linda Eggins' 6
Aucuba japonica 'Little Angel' 6
Aucuba japonica f. longifolia 4
Aucuba japonica 'Marubatensei' 3
Aucuba japonica 'Meigetsu' 9
Aucuba japonica 'Mr. Wonderful' 13
Aucuba japonica 'Nana Rotundifolia' 1
Aucuba japonica 'Natsu-no-kumo' 15
Aucuba japonica 'Ōba Nakafu' 6
Aucuba japonica (Ozzie Johnson dwarf) 9
Aucuba japonica 'Pacman' 4
Aucuba japonica (Paul James seedling No. 6) 3
Aucuba japonica 'Peachie' 8
Aucuba japonica 'Petite Jade' 2
Aucuba japonica 'Picturata' 1
Aucuba japonica 'Rozannie' 4
Aucuba japonica 'Rozannie' 1
Aucuba japonica 'Shilpot' 6
Aucuba japonica 'Shugetsu' 7
Aucuba japonica 'Speckles' 6
Aucuba japonica 'Subaru' 2
Aucuba japonica 'Suruga Benten' 12
Aucuba japonica 'Tatsumaki' 10
Aucuba japonica (thin white margin) 7
Aucuba japonica 'Torafu' 1
Aucuba japonica (Tyuetso dwarf mottled) 6
Aucuba japonica (USNA No. 3 - female) 5
Aucuba japonica (USNA No. 5 - female) 3
Aucuba japonica 'Viridis' 3
Aucuba japonica (yellow stem, gold flush) 1
Aucuba obcordata 14
Aucuba omeiensis 15
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 glutinosa 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' 7
Bambusa multiplex 'Green Giant' 10
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 9
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 10
Baptisia australis (cream mottled) 1
Baptisia ×bicolor 'Starlite' 3
Baptisia 'Blueberry Sundae' 15
Baptisia bracteata 1
Baptisia bracteata var. glabrescens 'Butterball' 0
Baptisia bracteata var. leucophaea 1
Baptisia 'Brownie Points' 1
Baptisia 'Carolina Moonlight' 1
Baptisia 'Cherries Jubilee' 13
Baptisia 'Chocolate Chip' 2
Baptisia cinerea 6
Baptisia 'Dutch Chocolate' 5
Baptisia 'Grape Taffy' 3
Baptisia (lavender) 32
Baptisia 'Lemon Meringue' 5
Baptisia megacarpa 5
Baptisia minor var. minor 5
Baptisia nuttalliana 8
Baptisia (pale pink) 32
Baptisia perfoliata 2
Baptisia perfoliata × B. tinctoria 4
Baptisia 'Pink Truffles' 6
Baptisia 'Purple Smoke' 29
Baptisia 'Royal Candles' 5
Baptisia 'Royal Candles' 0
Baptisia 'Royal Purple' 1
Baptisia simplicifolia 11
Baptisia 'Solar Flare' 2
Baptisia 'Solar Flare' 2
Baptisia 'Sparkling Sapphires' 1
Baptisia sphaerocarpa 20
Baptisia sphaerocarpa 'Screamin' Yellow' 19
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 6
Bauhinia bartlettii 1
Bauhinia blakeana 14
Bauhinia brachycarpa 1
Bauhinia corymbosa 1
Bauhinia forficata 23
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 70
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 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' 7
Begonia chitoensis 18
Begonia ×chungii (DJHT 99168) 3
Begonia coccinea 'Sinbad' 1
Begonia 'Cotes de Castillon' 10
Begonia cucullata 5
Begonia diadema 1
Begonia (DJHT 99167) 1
Begonia aff. edulis 2
Begonia emeiensis 7
Begonia emeiensis (DJHC 98479) 4
Begonia 'Escargot' 2
Begonia 'First Blush' 2
Begonia foliosa var. miniata 2
Begonia formosana 10
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 4
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' 10
Begonia luxurians 5
Begonia maculata 1
Begonia manicata 'Crispa' 3
Begonia masoniana 2
Begonia 'Metalic Mist' 5
Begonia nelumbifolia 3
Begonia 'Painter's Palette' 3
Begonia paleata 1
Begonia palmata 1
Begonia aff. palmata 8
Begonia 'Pas1085218' 3
Begonia 'Pas1085222' 5
Begonia 'Pas1202203' 10
Begonia 'Pas1227534' 7
Begonia 'Passing Storm' 2
Begonia pedatifida 8
Begonia aff. pedatifida 2
Begonia pedatifida (red stem form) 1
Begonia 'Pewterware' 12
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 sizemoreae 1
Begonia sutherlandii 1
Begonia sutherlandii 'Aurea' 1
Begonia ×taipeiensis 7
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 'Withlacoochee' 1
Begonia xanthina 1
Belamcanda chinensis 26
Belamcanda chinensis 'Hello Yellow' 11
Bellevalia paradoxa 15
Bellis perennis 6
Bellium minutum 2
Berberidopsis corallina 3
Berberis 49
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 delavayi 2
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' 14
Berberis koreana 4
Berberis koreana 'Red Tears' 3
Berberis lempergiana 21
Berberis ×lologensis 2
Berberis ×lologensis 'Apricot Queen' 4
Berberis lycium 7
Berberis ×media 'Parkjuweel' 4
Berberis ×media 'Red Jewel' 5
Berberis nummularia 2
Berberis ×ottawensis 'Concorde' 10
Berberis ×ottawensis 'Crimson Velvet' 4
Berberis ×ottawensis 'Silver Miles' 11
Berberis replicata 21
Berberis ×rubrostilla 1
Berberis sanguinea 9
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' 10
Berberis thunbergii var. atropurpurea 'Marshall's Upright' 3
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' 21
Berberis thunbergii 'Lime Glow' 4
Berberis thunbergii 'Orange Rocket' 1
Berberis thunbergii 'Pow-wow' 1
Berberis thunbergii 'Sparkle' 6
Berberis thunbergii 'Talago' 7
Berberis triacanthophora 'Cally Rose' 1
Berberis valdiviana 4
Berberis wilsoniae 7
Berberis wilsoniae 'Ace' 5
Berberis wilsoniae var. stapfiana 4
Berberis ×wisleyensis 6
Berchemia 3
Berchemia floribunda 3
Berchemia japonica 3
Berchemia racemosa 3
Berchemia racemosa 'Variegata' 3
Bergenia 7
Bergenia 'Apple Blossom' 2
Bergenia ciliata 11
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 35
Beschorneria septentrionalis 'John Fairey' 2
Beschorneria tubiflora 5
Beschorneria yuccoides 75
Beschorneria yuccoides 'Besys' 2
Beschorneria yuccoides 'Reality' 1
Bessera elegans 3
Beta vulgaris 17
Beta vulgaris var. cicla 'Bright Lights' 3
Betula 57
Betula albosinensis 3
Betula albosinensis 'K. Ashburner' 1
Betula albosinensis 'Ness' 1
Betula albosinensis var. septentrionalis 6
Betula alleghaniensis 9
Betula apoiensis 6
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' 12
Betula nigra 'Improved Heritage' 3
Betula nigra 'Little King' 9
Betula nigra 'Shiloh Splash' 4
Betula nigra 'Studetec' 10
Betula nigra 'Summer Cascade' 19
Betula nigra 'Whitt XXV' 4
Betula occidentalis 6
Betula ovalifolia 1
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 tianschanica 1
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' 52
Bignonia capreolata 'Tangerine Beauty' 5
Billardiera heterophylla 2
Billardiera heterophylla 'Pink Charmer' 1
Billardiera longiflora 5
Bischofia polycarpa 2
Bismarckia nobilis 7
Bixa orellana 6
Blechnum chambersii 1
Blechnum chilense 4
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) 2
Blechnum spicant 9
Blepharipappus scaber 6
Blepharoneuron tricholepis 1
Blephilia ciliata 1
Bletilla 1
Bletilla ochracea 6
Bletilla ochracea 'Chinese Butterfly' 10
Bletilla striata 48
Bletilla striata 'Alba' 14
Bletilla striata 'Albostriata' 7
Bletilla striata 'Big Bob' 2
Bletilla striata 'First Kiss' 3
Bletilla striata 'Gotemba Stripes' 6
Bletilla striata 'Kuchibeni' 1
Bletilla striata 'Ogon' 14
Bletilla striata 'Shi-ran' 3
Bletilla striata 'Tri-Lips' 1
Bletilla striata 'Variegata' 1
Bletilla Yokohama gx 'Sweet Lips' 15
Bocconia arborea 3
Boechera cusickii 2
Boehmeria biloba 1
Boehmeria nipononivea 'Glow Light' 3
Boehmeria nipononivea 'Kogane Mushi' 5
Boehmeria nivea 2
Boehmeria nivea var. tenacissima 2
Boehmeria platanifolia 6
Boehmeria tricuspis 3
Boesenbergia longiflora 2
Boltonia 2
Boltonia asteroides 'Snowbank' 1
Bomarea 32
Bomarea edulis 3
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 2
Brassia 1
Brassica 21
Brassica juncea 2
Brassica juncea 'Red Giant' 1
Brassica oleracea 95
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 6
Brillantaisia subulugurica 2
Briza media 6
Briza minor 1
Brodiaea 3
Brodiaea coronaria 2
Broussonetia kazinoki 4
Broussonetia papyrifera 1
Broussonetia papyrifera 'Golden Shadow' 9
Browallia 3
Browallia 'Mary Blue' 2
Browallia speciosa 2
Brucea javanica 1
Brugmansia 16
Brugmansia arborea 2
Brugmansia 'Betty Marshall' 3
Brugmansia 'Charles Grimaldi' 1
Brugmansia 'Inca Sun' 32
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 2
Brunfelsia pauciflora 1
Brunnera macrophylla 11
Brunnera macrophylla 'Alexander's Great' 4
Brunnera macrophylla 'Emerald Mist' 3
Brunnera macrophylla 'Hadspen Cream' 1
Brunnera macrophylla 'Jack Frost' 15
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 2
Buddleja 44
Buddleja alternifolia 3
Buddleja asiatica 4
Buddleja 'Blizzard' 1
Buddleja 'Blue Chip Jr' 5
Buddleja 'Blue Chip' 93
Buddleja 'Boscranz' 13
Buddleja 'Butterfly Gold' 1
Buddleja colvilei 8
Buddleja cordata 21
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' 18
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' 12
Buddleja davidii 'Red Plume' 10
Buddleja davidii 'Royal Red' 1
Buddleja davidii 'Santana' 7
Buddleja davidii 'White Ball' 2
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 'Grand Cascade' 1
Buddleja 'Hot Raspberry' 1
Buddleja 'Ilv Oargus 2' 8
Buddleja japonica 1
Buddleja 'Lilac Chip Jr' 6
Buddleja 'Lilac Chip' 8
Buddleja lindleyana 23
Buddleja 'Little Angel' 2
Buddleja 'Lochinch' 4
Buddleja loricata 15
Buddleja marrubiifolia 21
Buddleja 'Miss Molly' 24
Buddleja 'Miss Ruby' 22
Buddleja 'Miss Violet' 1
Buddleja 'Morning Mist' 35
Buddleja 'Pink Delight' 4
Buddleja 'Pink Micro Chip' 8
Buddleja 'Podaras #13' 5
Buddleja 'Podaras #8' 3
Buddleja 'Purple Haze' 6
Buddleja salviifolia 6
Buddleja 'SMNBDB' 2
Buddleja 'SMNBDBT' 1
Buddleja 'SMNBDD' 2
Buddleja 'SMNBDPT' 1
Buddleja 'Summer Frost' 17
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 4
Bulbine abyssinica 14
Bulbine frutescens 1
Bulbine fruticosa (orange compact) 1
Bulbine narcissifolia 4
Bulbinella hookeri 5
Bupleurum fruticosum 6
Burbidgea schizocheila 3
Bursera simaruba 1
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 21
Buxus harlandii 'Goliath' 3
Buxus henryi 6
Buxus 'Himalayensis' 5
Buxus 'Little Missy' 3
Buxus microphylla 2
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 'Green Beauty' 3
Buxus microphylla var. japonica 'Grejade' 4
Buxus microphylla var. japonica 'Morris Dwarf' 4
Buxus microphylla var. japonica 'Morris Midget' 1
Buxus microphylla var. japonica 'Unraveled' 19
Buxus microphylla 'Jim's Tru Spreader' 1
Buxus microphylla 'John Baldwin' 5
Buxus microphylla 'Miss Jones' 1
Buxus microphylla 'Peergold' 3
Buxus microphylla var. riparia 3
Buxus microphylla 'Sunnyside' 1
Buxus 'Prostrate3' 2
Buxus rugulosa var. prostrata 2
Buxus sempervirens 43
Buxus sempervirens 'Agram' 2
Buxus sempervirens 'Angel's Gift' 5
Buxus sempervirens 'Angustifolia' 3
Buxus sempervirens 'Arctic Emerald' 2
Buxus sempervirens 'Argenteovariegata' 6
Buxus sempervirens 'Aristocrat' 2
Buxus sempervirens 'Aurea Pendula' 4
Buxus sempervirens 'Aureovariegata' 10
Buxus sempervirens 'Belleville' 4
Buxus sempervirens 'Berlin' 3
Buxus sempervirens 'Borderline' 5
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' 7
Buxus sempervirens 'Fastigiata' 4
Buxus sempervirens 'Graham Blandy' 3
Buxus sempervirens 'Handsworthiensis' 0
Buxus sempervirens 'Handsworthii' 3
Buxus sempervirens 'Henry Shaw' 4
Buxus sempervirens 'Highlander' 2
Buxus sempervirens 'Inglis' 2
Buxus sempervirens 'Jensen' 1
Buxus sempervirens (Kew weeping) 1
Buxus sempervirens 'Kingsville' 9
Buxus sempervirens 'Latifolia Macrophylla' 2
Buxus sempervirens 'Latifolia Maculata' 1
Buxus sempervirens 'Latifolia Marginata' 1
Buxus sempervirens 'Marginata' 5
Buxus sempervirens 'Memorial' 3
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' 4
Buxus sempervirens 'Rosmarinifolius' 7
Buxus sempervirens 'Rotundifolia' 4
Buxus sempervirens 'Salicifolia' 2
Buxus sempervirens 'Salicifolia Elata' 1
Buxus sempervirens 'Ste. Geneve' 1
Buxus sempervirens 'Suffruticosa' 6
Buxus sempervirens 'Valentines' 4
Buxus sempervirens 'Vardar Valley' 12
Buxus sempervirens 'Wanford Page' 1
Buxus sempervirens 'Welleri' 7
Buxus sempervirens 'Woodland' 3
Buxus sinica 9
Buxus sinica var. insularis 8
Buxus sinica var. insularis 'Justin Brouwers' 5
Buxus sinica var. insularis 'Nana' 3
Buxus sinica var. insularis 'Pincushion' 3
Buxus sinica var. insularis (spreading dwarf) 7
Buxus sinica var. insularis 'Sunburst' 9
Buxus sinica var. insularis 'Tall Boy' 2
Buxus sinica var. insularis 'Tide Hill' 4
Buxus sinica var. insularis 'Wintergreen' 5
Buxus sinica 'Kinsha' 3
Buxus wallichiana 7
Cacalia delphiniifolia 0
Caesalpinia 6
Caesalpinia gilliesii 17
Caesalpinia pulcherrima 6
Caladium 56
Caladium 'Aaron' 1
Caladium 'Cherry Tart' 4
Caladium 'Icicle' 0
Caladium 'Yellow Blossom' 1
Calamagrostis ×acutiflora 'Avalanche' 5
Calamagrostis ×acutiflora 'Karl Foerster' 2
Calamagrostis ×acutiflora 'Lightning Strike' 3
Calamagrostis ×acutiflora 'Overdam' 1
Calamagrostis brachytricha 11
Calamintha 4
Calanthe 10
Calanthe argenteostriata 4
Calanthe discolor 2
Calanthe discolor 'Snowcrest' 3
Calanthe reflexa 4
Calanthe sieboldii 5
Calanthe speciosa 4
Calathea 4
Calathea warscewiczii 4
Calathea zebrina 2
Calceolaria 16
Calceolaria integrifolia 3
Calceolaria thyrsiflora 3
Calendula 14
Calendula 'Kercaldivimp' 4
Calia 1
Calia arizonica 4
Calia secundiflora 15
Calia secundiflora 'Silver Peso' 18
Calibanus hookeri 2
Calibrachoa 5
Calibrachoa 2
Calibrachoa 'Balcabhopi' 1
Calibrachoa 'Balcaborim' 2
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 3
Calibrachoa 4
Calibrachoa 7
Calibrachoa 'Uscal08501' 4
Calibrachoa 'Uscal66501' 4
Calibrachoa 'Uscal91001' 4
Calibrachoa 'Uscali411-7' 1
Calibrachoa 'Uscali53M' 3
Calibrachoa 'Wescachadpiyecheba' 5
Calliandra 5
Calliandra haematocephla 7
Calliandra haematocephla 'Nana' 2
Calliandra tergemina var. emarginata 3
Callicarpa 43
Callicarpa '05-132' 3
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 57
Callicarpa americana 17
Callicarpa americana 'Berries and Cream' 19
Callicarpa americana var. lactea 6
Callicarpa americana 'Welch's Pink' 53
Callicarpa bodinieri 2
Callicarpa bodinieri var. giraldii 2
Callicarpa bodinieri var. giraldii 'Profusion' 6
Callicarpa brevipes 3
Callicarpa 'Cardinal' 9
Callicarpa cathayana 6
Callicarpa dichotoma 8
Callicarpa dichotoma f. albifructa 11
Callicarpa dichotoma 'Duet' 12
Callicarpa dichotoma 'Issai' 13
Callicarpa dichotoma 'Splashy' 2
Callicarpa dichotoma 'Spring Gold' 3
Callicarpa dichotoma (variegated) 7
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' 14
Callicarpa kochiana 'Yamaguchi Variegated' 1
Callicarpa kwangtungensis 11
Callicarpa aff. luteopunctata (white fruited) 1
Callicarpa macrophylla 4
Callicarpa 'Moore Purple' 4
Callicarpa 'Nccx2' 2
Callicarpa oshimensis 19
Callicarpa 'Purple Pearls' 13
Callicarpa rubella 1
Callicarpa rubella var. rubella 11
Callicarpa shikokiana 7
Callicarpa tosaensis 11
Callicarpa 'Virginia' 3
Callirhoe alcaeoides 'Logan Calhoun' 4
Callirhoe bushii 9
Callirhoe digitata 1
Callirhoe involucrata 40
Callirhoe involucrata var. tenuissima 12
Callirhoe papaver 1
Callistemon 8
Callistemon brachyandrus 8
Callistemon citrinus 6
Callistemon linearis 4
Callistemon pinifolius 2
Callistemon rigidus 2
Callistemon rigidus 'Clemson Hardy' 2
Callistemon salignus 2
Callistemon sieberi 1
Callistemon subulatus 2
Callistemon viminalis 4
Callistemon viridiflorus 6
Callistemon 'Woodlander's Red' 21
Callistephus chinensis 9
Callitris oblonga 3
Callitris rhomboidea 3
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' 17
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' 7
Calocedrus 1
Calocedrus decurrens 17
Calocedrus decurrens 'Aureovariegata' 5
Calocedrus decurrens 'Berrima Gold' 7
Calocedrus formosana 4
Calocedrus macrolepis var. macrolepis 3
Calocedrus rupestris 2
Calochortus 15
Calochortus albus 1
Calochortus amabilis 1
Calochortus 'Cupido' 9
Calochortus gunnisonii 21
Calochortus kennedyi 5
Calochortus luteus 'Golden Orb' 10
Calochortus superbus 13
Calochortus tolmiei 8
Calochortus venustus 14
Calopogon tuberosus 21
Calopsis paniculata 3
Calothamnus quadrifidus 4
Calpurnia aurea 2
Caltha leptosepala 24
Caltha palustris 17
Caltha palustris var. orientali-sinensis 1
Calycanthus 'Aphrodite' 11
Calycanthus chinensis 64
Calycanthus floridus 14
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' 3
Calycanthus occidentalis 9
Calycanthus ×raulstonii 2
Calycanthus ×raulstonii 'Hartlage Wine' 99
Calycanthus 'Venus' 53
Calydorea coelestina 4
Calylophus 4
Calylophus drummondianus (Dodd form) 2
Calylophus hartwegii 2
Calylophus hartwegii var. lavandulaefolius 8
Calylophus serulata 7
Calylophus serulata 'Sun Spots' 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 'Semiplena' 13
Camassia quamash 6
Camassia quamash 'Blue Melody' 2
Camassia quamash subsp. quamash 5
Camassia scilloides 3
Camellia 139
Camellia 'Anticipation' 1
Camellia 'Ashton's Pink' 5
Camellia 'Autumn Spirit' 7
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' 66
Camellia chekiangoleosa 13
Camellia 'Christmas Rose' 5
Camellia 'Cinnamon Cindy' 34
Camellia (CP 13 ER 654) 7
Camellia crapnelliana 10
Camellia crassipes 2
Camellia 'Crimson Candles' 24
Camellia cuspidata 4
Camellia 'Doctor Clifford Parks' 1
Camellia edithae 'Dongnan Shancha' 3
Camellia 'Elaine Lee' 4
Camellia 'Elina Cascade' 4
Camellia elongata 6
Camellia euryoides var. euryoides 9
Camellia fansipanensis 1
Camellia flava 1
Camellia forrestii 2
Camellia 'Fragrant Pink' 2
Camellia 'Frank Houser' 2
Camellia fraterna 18
Camellia gaudichaudii 6
Camellia granthamiana 1
Camellia 'Green 98-013' 2
Camellia grijsii 21
Camellia guachowensis 1
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' 5
Camellia ×hiemalis 'Green's Blues' 41
Camellia ×hiemalis 'Kanjiro' 1
Camellia ×hiemalis 'Rose of Autumn' 47
Camellia ×hiemalis 'Shishi Gashira' 10
Camellia 'High Fragrance' 3
Camellia indochinensis var. tunghinensis 1
Camellia irrawadiensis (variegated) 1
Camellia japonica 114
Camellia japonica 'Akashigata' 15
Camellia japonica 'Anacostia' 20
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' 10
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. 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) 17
Camellia japonica 'Fuiri Benten' 10
Camellia japonica 'Fukurin Wabisuke' 6
Camellia japonica 'General Dwight Eisenhower' 1
Camellia japonica 'Geoff Hamilton' 5
Camellia japonica 'Gigantea' 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' 6
Camellia japonica 'Jacks' 19
Camellia japonica 'Junie Lancaster' 2
Camellia japonica 'Kagiri' 2
Camellia japonica 'Kerguelen' 6
Camellia japonica 'Kifukurin Benikarako' 2
Camellia japonica 'King Lear' 1
Camellia japonica 'Kingyoba-tsubaki' 1
Camellia japonica 'Korean Flame' 3
Camellia japonica (Korean germplasm) 16
Camellia japonica 'Korean Snow' 3
Camellia japonica 'Koshi-no-fubuki' 2
Camellia japonica 'Kujaku Tsubaki' 15
Camellia japonica 'Lipstick' 1
Camellia japonica 'Lois Coker' 3
Camellia japonica 'Magnoliaeflora' 6
Camellia japonica 'Margie' 1
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' 52
Camellia japonica 'Quercifolia' 20
Camellia japonica 'Reg Ragland' 45
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' 1
Camellia japonica 'Sanpei-tsubaki' 3
Camellia japonica 'Sundae' 1
Camellia japonica 'Ta Fuku Benten' 18
Camellia japonica 'Taiyo' 1
Camellia japonica 'Tam O'Shanter' 1
Camellia japonica 'Tama Americana' 2
Camellia japonica 'Tama Peacock' 25
Camellia japonica 'Tama Vino' 6
Camellia japonica 'Tama-no-ura' 3
Camellia japonica 'Twilight' 1
Camellia japonica 'Unryu' 9
Camellia japonica 'Ville de Nantes' 6
Camellia japonica 'White By The Gate' 20
Camellia japonica 'White Mermaid' 10
Camellia japonica 'White Perfection' 48
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' 3
Camellia 'Ole' 1
Camellia oleifera 26
Camellia oleifera × C. sasanqua 3
Camellia (oleifera hybrid, weeping) 7
Camellia 'Pink Icicle' 2
Camellia pitardii 3
Camellia polydonta 1
Camellia 'Red Dragon' 1
Camellia reticulata 1
Camellia reticulata 'Pavlova' 2
Camellia 'Robiraki' 6
Camellia rosaeflora 5
Camellia rosaeflora 'Grande' 3
Camellia rosiflora 3
Camellia salicifolia 5
Camellia saluensis 6
Camellia sasanqua 30
Camellia sasanqua 'Alabama Beauty' 3
Camellia sasanqua 'Autumn Delight' 1
Camellia sasanqua 'Autumn Rocket' 5
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) 13
Camellia sasanqua 'Golden Phoenix' 11
Camellia sasanqua 'Green 01-006' 18
Camellia sasanqua 'Green 02-003' 10
Camellia sasanqua 'Green 94-035' 31
Camellia sasanqua 'Green 99-006' 2
Camellia sasanqua 'Green 99-031' 6
Camellia sasanqua 'Hana-Jiman' 5
Camellia sasanqua 'Leslie Ann' 19
Camellia sasanqua 'Maiden's Blush' 1
Camellia sasanqua 'Marie Kirk' 6
Camellia sasanqua 'Navajo' 1
Camellia sasanqua 'Northern Lights' 2
Camellia sasanqua 'Pink Snow' 4
Camellia sasanqua 'Reverend Ida' 4
Camellia sasanqua 'Rosy Pillar' 6
Camellia sasanqua 'Sarrel' 16
Camellia sasanqua 'Setsugekka' 7
Camellia sasanqua 'Seventh Desire' 2
Camellia sasanqua 'Starry Pillar' 2
Camellia sasanqua 'Tdn 1116' 3
Camellia sasanqua 'Tdn116' 8
Camellia sasanqua 'White Satin' 3
Camellia sasanqua 'William Lanier Hunt' 5
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' 7
Camellia sinensis 'Silver Dust' 20
Camellia sinensis 'Unryu' 3
Camellia 'Snow Blizzard' 2
Camellia 'Snow Flurry' 52
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 17
Camellia tsaii 1
Camellia tsaii 'Erina' 5
Camellia ×vernalis 'Christmas Candy' 1
Camellia vernalis 'Curly Egao' 1
Camellia ×vernalis 'Egao Corkscrew' 30
Camellia ×vernalis 'Egao Pink Halo' 14
Camellia ×vernalis 'Egao Spring Snowfall' 9
Camellia ×vernalis 'Eos' 4
Camellia ×vernalis 'Ginryu' 44
Camellia ×vernalis 'Hiryû' 23
Camellia ×vernalis 'Mieko Tanaka' 3
Camellia ×vernalis 'Shibori Egao' 50
Camellia ×vernalis 'Star Above Star' 1
Camellia 'Wendzalea' 3
Camellia ×williamsii 'Donation' 11
Camellia ×williamsii 'E.G. Waterhouse Variegated' 1
Camellia ×williamsii 'Golden Spangles' 44
Camellia ×williamsii 'Lavender Prince II' 1
Camellia ×williamsii 'Mary Christian' 60
Camellia ×williamsii 'Mona Johnston' 2
Camellia ×williamsii 'Night Rider' 2
Camellia ×williamsii 'Taylor's Perfection' 1
Camellia 'Winter's Charm' 24
Camellia 'Winter's Dream' 33
Camellia 'Winter's Star' 13
Camellia 'Winter's Star Light' 14
Camellia 'Winter's Sunset' 5
Camellia 'Wirlinga Bride' 16
Camellia 'Yoimachi' 16
Camellia yuhsiensis 4
Camellia 'Yume' 42
Camellia yunnanensis 2
Campanula 49
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 16
Campanula glomerata 'Joan Elliott' 4
Campanula incurva 5
Campanula 'Kent Belle' 5
Campanula parryi 7
Campanula persicifolia 'Moerheimii' 4
Campanula portenschlagiana 1
Campanula poscharskyana 14
Campanula poscharskyana 'Camgood' 3
Campanula poscharskyana 'Camgood' 10
Campanula poscharskyana 'Stella' 2
Campanula ×pulloides 'Jelly Bells' 2
Campanula punctata 'Cherry Bells' 3
Campanula raddeana 1
Campanula rotundifolia 19
Campanula 'Sarastro' 2
Campanula takesimana 10
Campanula takesimana 'Elizabeth' 3
Campanula uniflora 4
Campanula zangezura 2
Campsis 8
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 scarlet) 1
Campsis radicans (Tyler yellow) 2
Campsis radicans 'Wako White' 8
Campsis ×tagliabuana 'Chastity' 2
Campsis ×tagliabuana 'Madame Galen' 4
Camptosema praeandinum 2
Camptotheca acuminata 11
Campylandra aff. campbellii subsp. sinensis (Quarryhill form) 4
Campylotropis macrocarpa 8
Cananga odorata 2
Canna 123
Canna 'African Sunset' 27
Canna 'Australia' 19
Canna 'Bengal Tiger' 11
Canna 4
Canna 20
Canna 7
Canna 5
Canna 2
Canna 8
Canna 4
Canna 'Cleopatra' 28
Canna compacta × C. patens 3
Canna compacta subsp. cinnabarina 5
Canna 'Constitution' 13
Canna 'Ermine' 3
Canna 'Flaming Kabobs' 1
Canna gigantea 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' 2
Canna 'Minerva' 13
Canna musifolia 3
Canna occidentalis 6
Canna 'Omega' 4
Canna 'Orange Punch' 4
Canna 'Orange Tiger' 0
Canna 'Pacific Beauty' 12
Canna 'Panache' 3
Canna patens 26
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 9
Cardamine cordifolia 3
Cardamine diphylla 26
Cardamine diphylla 'Bama Jama' 0
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 giganteum 23
Carex 23
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' 6
Carex comans 'Bronze' 3
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' 9
Carex 'ET CRX01' 4
Carex 'ET CRX02' 1
Carex flacca 4
Carex flacca 'Blue Zinger' 5
Carex flaccosperma 3
Carex flagellifera 4
Carex flagellifera 'Toffee Twist' 2
Carex glauca 2
Carex grayi 2
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 1
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 11
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 'Pendula' 14
Carpinus betulus 'Pinoccheo' 6
Carpinus betulus 'Pyramidalis' 1
Carpinus caroliniana 11
Carpinus caroliniana 'Stowe Cascade' 9
Carpinus caroliniana 'Uxbridge' 5
Carpinus cordata 6
Carpinus coreana 5
Carpinus coreana 'Kuro Bijin' 9
Carpinus fangiana 14
Carpinus fangiana 'Wharton's Choice' 8
Carpinus fargesiana 8
Carpinus japonica 29
Carpinus japonica 'Silver Lace' 5
Carpinus kawakamii 2
Carpinus laxiflora 13
Carpinus laxiflora 'Variegata' 8
Carpinus mollicoma 2
Carpinus omeiensis 2
Carpinus orientalis 1
Carpinus simplicidentata 3
Carpinus tschonoskii 4
Carpinus turczaninowii 7
Carpinus viminea 11
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' 15
Carya 12
Carya illinoinensis 40
Carya ovata 9
Caryopteris 7
Caryopteris ×clandonensis 8
Caryopteris ×clandonensis 'Blauersplatz' 3
Caryopteris ×clandonensis 'Ferndown' 21
Caryopteris ×clandonensis 'First Choice' 2
Caryopteris ×clandonensis 'Gold Crest' 10
Caryopteris ×clandonensis 'Gold Giant' 1
Caryopteris ×clandonensis 'Inoveris' 15
Caryopteris ×clandonensis 'Kew Blue' 1
Caryopteris ×clandonensis 'Longwood Blue' 3
Caryopteris ×clandonensis 'White Surprise' 5
Caryopteris ×clandonensis 'Worcester Gold' 7
Caryopteris divaricata 3
Caryopteris divaricata 'Blue Butterflies' 17
Caryopteris divaricata 'Snow Fairy' 2
Caryopteris incana 1
Caryopteris incana 'Jason' 1
Caryopteris incana (prostrate) 0
Caryopteris nepalensis 2
Caryota obtusa 2
Cassia 2
Cassia roxburghii 2
Castanea 6
Castanea crenata 6
Castanea dentata 9
Castanea mollissima 11
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' 41
Castanopsis cuspidata (white center) 2
Castanopsis delavayi 15
Castanopsis eyrei 2
Castanopsis sclerophylla 17
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 8
Catalpa 31
Catalpa bignonioides 1
Catalpa bignonioides 'Aurea' 16
Catalpa bungei 6
Catalpa ×erubescens 'Purpurea' 6
Catalpa ovata 3
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 16
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' 3
Ceanothus ×delilianus 'Henri Desfossé' 19
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' 2
Ceanothus thyrsiflorus var. repens 7
Ceanothus 'Tuxedo' 2
Ceanothus velutinus 16
Ceanothus 'Victoria' 3
Cedrela 2
Cedrus 47
Cedrus atlantica 17
Cedrus atlantica 'Argentea Fastigiata' 8
Cedrus atlantica 'Aurea' 2
Cedrus atlantica 'Aurea Robusta' 1
Cedrus atlantica 'Fastigiata' 1
Cedrus atlantica Glauca Group 39
Cedrus atlantica 'Glauca Pendula' 118
Cedrus atlantica 'Saphir Nymphe' 3
Cedrus deodara 28
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' 15
Cedrus deodara 'Golden Horizon' 1
Cedrus deodara 'Hollandia' 1
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 4
Cedrus libani 'Katere' 1
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 20
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 caucasica 1
Celtis chekiangensis 2
Celtis edulis 5
Celtis julianae 10
Celtis koraiensis 6
Celtis laevigata 4
Celtis occidentalis 1
Celtis occidentalis 'Prairie Pride' 3
Celtis pallida 3
Celtis reticulata 3
Celtis sinensis 1
Celtis sinensis 1
Celtis sinensis 'Green Cascade' 25
Celtis tenuifolia 10
Celtis tetrandra 1
Celtis vandervoetiana 2
Celtis yunnanensis 3
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' 3
Centaurea simplicicaulis 4
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' 3
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' 10
Cephalotaxus harringtonia 'Fritz Huber' 10
Cephalotaxus harringtonia 'Gnome' 5
Cephalotaxus harringtonia 'Gold Duke Gardens' 3
Cephalotaxus harringtonia 1
Cephalotaxus harringtonia 'H.W. Sargent' 6
Cephalotaxus harringtonia var. koreana 9
Cephalotaxus harringtonia var. koreana 'Korean Gold' 10
Cephalotaxus harringtonia 'Mary Fleming' 6
Cephalotaxus harringtonia var. nana 2
Cephalotaxus harringtonia 'Pedunculata' 7
Cephalotaxus harringtonia 'Prostrata' 16
Cephalotaxus harringtonia 'Watnong' 11
Cephalotaxus harringtonia (Yewtopia) 1
Cephalotaxus lanceolata 7
Cephalotaxus mannii 3
Cephalotaxus oliveri 1
Cephalotaxus sinensis 15
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 33
Cercidiphyllum japonicum 'Amazing Grace' 3
Cercidiphyllum japonicum 'Heronswood Globe' 6
Cercidiphyllum japonicum 'HSI1' 4
Cercidiphyllum japonicum 'Kruckeberg Dwarf' 1
Cercidiphyllum japonicum 'Morioka Weeping' 23
Cercidiphyllum japonicum f. pendulum 14
Cercidiphyllum japonicum 'Rotfuchs' 1
Cercidiphyllum magnificum 4
Cercidium floridum 2
Cercidium microphyllum 3
Cercis 90
Cercis 'Big John' 42
Cercis canadensis 65
Cercis canadensis 'Ace of Hearts' 35
Cercis canadensis f. alba 28
Cercis canadensis 'Alley Cat' 24
Cercis canadensis 'Amethyst Mist' 37
Cercis canadensis 'Appalachian Red' 16
Cercis canadensis 'Cascading Hearts' 7
Cercis canadensis 'Covey' 18
Cercis canadensis 'Crosswicks Red' 13
Cercis canadensis 'Dwarf White' 18
Cercis canadensis 'Flame' 28
Cercis canadensis 'Floating Clouds' 87
Cercis canadensis 'Forest Pansy' 70
Cercis canadensis 'Gold Crown' 18
Cercis canadensis 'Greswan' 14
Cercis canadensis 'Hearts of Gold' 59
Cercis canadensis 'Jn16' 8
Cercis canadensis 'Jn2' 36
Cercis canadensis 'Jn3' 0
Cercis canadensis 'Jn7' 10
Cercis canadensis (large leaf form) 7
Cercis canadensis 'Little Woody' 5
Cercis canadensis 'Mardis Gras' 7
Cercis canadensis var. mexicana 50
Cercis canadensis var. mexicana 'Sanderson' 2
Cercis canadensis 'NC2015-12' 4
Cercis canadensis 'NC2016-2' 14
Cercis canadensis 'Nccc1' 5
Cercis canadensis (NCSU upright) 7
Cercis canadensis 'Pauline Lily' 4
Cercis canadensis 'Pink Heartbreaker' 3
Cercis canadensis 'Pink Pom Poms' 10
Cercis canadensis 'Pinkbud' 9
Cercis canadensis 'Royal White' 4
Cercis canadensis 'Ruby Falls' 40
Cercis canadensis 'Silver Cloud' 47
Cercis canadensis 'Sjo' 10
Cercis canadensis 'Tennessee Pink' 64
Cercis canadensis ('Tennessee Pink' variegated) 5
Cercis canadensis var. texensis 6
Cercis canadensis [Texensis Group] 'Merlot' 21
Cercis canadensis var. texensis 'Oklahoma' 32
Cercis canadensis var. texensis 'Oklahoma' (variegated) 3
Cercis canadensis var. texensis 'Texas White' 17
Cercis canadensis var. texensis 'Traveller' 130
Cercis canadensis 'Tom Thumb' 7
Cercis canadensis 'Vanilla Twist' 20
Cercis canadensis (variegated) 1
Cercis canadensis 'Whitewater' 9
Cercis chinensis 37
Cercis aff. chinensis 4
Cercis chinensis f. alba 10
Cercis chinensis 'Avondale' 3
Cercis chinensis 'Don Egolf' 36
Cercis chinensis (dwarf form) 8
Cercis chinensis 'Gempei' 7
Cercis chinensis 'Kay's Early Hope' 116
Cercis chinensis 'Reznicek' 9
Cercis chinensis 'Shibamichi Red' 23
Cercis chinensis 'Shirobana' 29
Cercis chinensis 'Shishiba' 13
Cercis chingii 42
Cercis chuniana 5
Cercis gigantea 2
Cercis gigantea (pale flower) 9
Cercis glabra 23
Cercis aff. glabra 10
Cercis glabra 'Celestial Plum' 33
Cercis griffithii 2
Cercis (hybrid) 11
Cercis 'JN21' 6
Cercis 'NC2014-10' 5
Cercis 'NC2017-9' 7
Cercis occidentalis 7
Cercis racemosa 27
Cercis racemosa (cold hardy form) 1
Cercis siliquastrum 24
Cercis siliquastrum f. albida 16
Cercis siliquastrum 'Bodnant' 11
Cercis siliquastrum 'Rubra' 2
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 4
Cestrum 'Compact Purple' 15
Cestrum elegans 2
Cestrum 'Newellii' 1
Cestrum 'Orange Peel' 3
Cestrum parqui 20
Cestrum psittacinum 6
Cestrum roseum 2
Chaenactis douglasii 8
Chaenomeles 29
Chaenomeles (Chris's contorted) 8
Chaenomeles 'Dragon's Blood' 10
Chaenomeles japonica 12
Chaenomeles japonica 'Atsuya Hamada' 38
Chaenomeles japonica 'Chojuraku' 16
Chaenomeles japonica 'Hime' 6
Chaenomeles japonica 'Pygmaea' 9
Chaenomeles japonica 'Utamaro' 7
Chaenomeles 'NCCS4' 2
Chaenomeles 'Orange Storm' 40
Chaenomeles 'Pink Storm' 4
Chaenomeles 'Scarff's Red' 23
Chaenomeles 'Scarlet Storm' (Double Take) 17
Chaenomeles speciosa 21
Chaenomeles speciosa 'Contorta' 54
Chaenomeles speciosa 'Mt. Fuji' 15
Chaenomeles speciosa 'Old Red' 2
Chaenomeles speciosa 'Orange Delight' 5
Chaenomeles speciosa 'Red Charlet' 6
Chaenomeles speciosa 'Toyo Nishiki' 16
Chaenomeles ×superba 'Cameo' 15
Chaenomeles ×superba 'Crimson and Gold' 1
Chaenomeles ×superba 'Jet Trail' 28
Chaenomeles ×superba 'Mandarin' 21
Chaenomeles ×superba 'Pink Lady' 2
Chaenomeles ×superba 'Texas Scarlet' 8
Chaenorhinum origanifolium 'Blue Dreams' 2
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' 4
Chamaecyparis obtusa 22
Chamaecyparis obtusa 'Aurea' 1
Chamaecyparis obtusa 'Baldwin Variegated' 2
Chamaecyparis obtusa 'Bassett' 2
Chamaecyparis obtusa 'Bess' 2
Chamaecyparis obtusa 'Blue Feathers' 3
Chamaecyparis obtusa 'Butterball' 3
Chamaecyparis obtusa 'Chabo Yadori' 5
Chamaecyparis obtusa 'Chirimen' 4
Chamaecyparis obtusa 'Confucius' 4
Chamaecyparis obtusa 'Conschlecht' 8
Chamaecyparis obtusa 'Crippsii' 17
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 7
Chamaecyparis obtusa 'Gimborn Beauty' 1
Chamaecyparis obtusa 'Gimborn's Beauty' 1
Chamaecyparis obtusa 'Gold Post' 9
Chamaecyparis obtusa 'Golden Fern' 7
Chamaecyparis obtusa 'Golden Mage' 2
Chamaecyparis obtusa 'Golden Sprite' 1
Chamaecyparis obtusa 'Golden Whorl' 1
Chamaecyparis obtusa 'Good as Gold' 3
Chamaecyparis obtusa 'Gracilis' 17
Chamaecyparis obtusa 'Green Cushion' 1
Chamaecyparis obtusa 'Hage' 1
Chamaecyparis obtusa 'Hibari' 9
Chamaecyparis obtusa 'Intermedia' 2
Chamaecyparis obtusa 'Ivan's Column' 1
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' 8
Chamaecyparis obtusa 'Lemon Twist' 6
Chamaecyparis obtusa 'Leprechaun' 2
Chamaecyparis obtusa 'Limerick' 1
Chamaecyparis obtusa 'Loenik' 5
Chamaecyparis obtusa 'Lougheed' 3
Chamaecyparis obtusa 'Lynn's Golden' 7
Chamaecyparis obtusa 'Mariesii' 1
Chamaecyparis obtusa 'Maureen' 3
Chamaecyparis obtusa 'Melody' 5
Chamaecyparis obtusa 'Meroke Twin' 2
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' 7
Chamaecyparis obtusa 'Oregon Crested' 8
Chamaecyparis obtusa 'Pygmaea' 1
Chamaecyparis obtusa 'Pygmaea Aurescens' 1
Chamaecyparis obtusa 'Repens' 8
Chamaecyparis obtusa 'Saffron Spray' 2
Chamaecyparis obtusa 'Special Variegated' 9
Chamaecyparis obtusa 'Spiralis' 2
Chamaecyparis obtusa 'Split Rock' 4
Chamaecyparis obtusa 'Stoneham' 7
Chamaecyparis obtusa 'Sunburst' 1
Chamaecyparis obtusa 'Sunspray' 2
Chamaecyparis obtusa 'Tempelhof' 3
Chamaecyparis obtusa 'Tetragona Aurea' 10
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' 6
Chamaecyparis obtusa 'Vokel's Upright' 4
Chamaecyparis obtusa 'Wells Nana Select' 1
Chamaecyparis pisifera 22
Chamaecyparis pisifera 'Baby Blue' 3
Chamaecyparis pisifera 'Baby Blue Ice' 1
Chamaecyparis pisifera 'Boulevard' 9
Chamaecyparis pisifera 'Cannon Ball' 2
Chamaecyparis pisifera 'Clouded Sky' 8
Chamaecyparis pisifera 'Cream Ball' 6
Chamaecyparis pisifera 'Cumulus' 2
Chamaecyparis pisifera 'Devon Cream' 2
Chamaecyparis pisifera 'Filifera' 10
Chamaecyparis pisifera 'Filifera Aurea' 41
Chamaecyparis pisifera 'Filifera Aurea Nana' 1
Chamaecyparis pisifera 'Filip's Happy Day' 4
Chamaecyparis pisifera 'Gekko' 3
Chamaecyparis pisifera 'Golddust' 7
Chamaecyparis pisifera 'Golden Pincushion' 1
Chamaecyparis pisifera 'Juniperoides' 3
Chamaecyparis pisifera 'Lemon Thread' 3
Chamaecyparis pisifera 'Lemon Yellow' 2
Chamaecyparis pisifera 'Manger's Sunshine' 3
Chamaecyparis pisifera 'Minima' 1
Chamaecyparis pisifera 'Plumosa Aurea Compacta' 1
Chamaecyparis pisifera 'Plumosa Aurea Nana' 6
Chamaecyparis pisifera 'Plumosa Compressa' 2
Chamaecyparis pisifera 'Plumosa Cristata' 2
Chamaecyparis pisifera 'Plumosa Juniperoides' 3
Chamaecyparis pisifera 'Plumosa Nana' 4
Chamaecyparis pisifera 'Plumosa Rogersi' 1
Chamaecyparis pisifera 'Silver Lode' 5
Chamaecyparis pisifera 'Snow' 1
Chamaecyparis pisifera 'Spaan's Cannonball' 2
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' 10
Chamaecyparis pisifera 'Yadkin Gold' 2
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' 9
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 21
Chamaerops humilis var. cerifera 8
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 11
Cheilanthes lanosa 6
Cheilanthes viridis 1
Cheilanthes yavapensis 4
Chelidonium majus 3
Chelone glabra 6
Chelone lyonii 9
Chelone lyonii 'Armitpp02' 3
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' 20
Chilopsis linearis 'Art's Seedless' 2
Chilopsis linearis 'Bubba' 17
Chimaphila maculata 6
Chimaphila umbellata 4
Chimaphila umbellata subsp. occidentalis 4
Chimonanthus 2
Chimonanthus nitens 13
Chimonanthus praecox 55
Chimonanthus praecox 'Luteus' 56
Chimonanthus zhejiangensis 15
Chiococca alba 4
Chionanthus 1
Chionanthus pygmaeus 7
Chionanthus retusus 75
Chionanthus retusus 'Ivory Tower' 11
Chionanthus retusus (Norfolk weeping) 6
Chionanthus retusus 'Tokyo Tower' 13
Chionanthus retusus 'Yadkin Creeper' 3
Chionanthus virginicus 66
Chionanthus virginicus 'Emerald Knight' 4
Chionanthus virginicus 'White Knight' 13
Chionochloa pallens 1
Chionochloa rigida 1
Chionochloa spiralis 1
Chionodoxa forbesii 14
Chionodoxa forbesii 'Pink Giant' 27
Chionodoxa luciliae 11
Chionodoxa sardensis 19
Chionographis japonica 4
Chionophila jamesii 5
×Chitalpa tashkentensis 9
×Chitalpa tashkentensis 'Morning Cloud' 11
×Chitalpa tashkentensis 'Pink Dawn' 3
Chlidanthus fragrans 3
Chloranthus 3
Chloranthus erectus 3
Chloranthus fortunei 5
Chloranthus fortunei 'Domino' 2
Chloranthus japonicus 16
Chloranthus multistachys 3
Chloranthus oldhamii 1
Chloranthus serratus 8
Chloranthus sessilifolius var. austrosinensis 12
Chloranthus sessilifolius 'Get Shorty' 8
Chloranthus spicatus 1
Chlorophytum 1
Chlorophytum cf. bowkeri 9
Chlorophytum capense 2
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' 27
Choisya ×dewitteana 'Limo' 7
Choisya ternata 7
Choisya ternata 'Sundance' 17
Chordospartium stevensonii 6
Chorisia speciosa 4
Chrysactinia mexicana 39
Chrysanthemoides incana 2
Chrysanthemopsis hosemariensis 1
Chrysanthemum 308
Chrysanthemum (15-501 yellow) 15
Chrysanthemum 'Brandywine Sunset' 7
Chrysanthemum 'Cathy's Rust' 2
Chrysanthemum 'Country Girl' 8
Chrysanthemum (double cream) 4
Chrysanthemum (Elizabeth Lawrence pink) 6
Chrysanthemum 'Gethsemane Moonlight' 10
Chrysanthemum 'Golden Lida Thomas' 8
Chrysanthemum ×grandiflorum 246
Chrysanthemum 'Lavender Lady' 5
Chrysanthemum 'Miss Gloria's Thanksgiving Day' 17
Chrysanthemum morifolium 'Froggy' 4
Chrysanthemum 'Sheffield Pink' 5
Chrysanthemum (single red) 4
Chrysanthemum 'Venus' 5
Chrysanthemum 'Virginia's Sunshine' 5
Chrysanthemum weyrichii 1
Chrysanthemum weyrichii 'Apricot' 4
Chrysocephalum apiculatum 'Flochrora' 1
Chrysogonum virginianum 30
Chrysogonum virginianum 'Allen Bush' 5
Chrysogonum virginianum 'Eco Lacquered Spider' 6
Chrysogonum virginianum 'Pierre' 5
Chrysogonum virginianum 'Quinn's Gold' 5
Chrysosplenium macrophyllum 1
Chrysothamnus nauseosus 1
Chrysothemis pulchella 3
Chuniophoenix hainanensis 1
Chusquea culeou 4
Chusquea sulcata 1
Cibotium barometz 2
Cibotium glaucum 2
Cichorium intybus 4
Cichorium spinosum 1
Cinnamomum 5
Cinnamomum camphora 32
Cinnamomum camphora 'Majestic Beauty' 1
Cinnamomum chekiangense 5
Cinnamomum glanduliferum 2
Cinnamomum japonicum 11
Cinnamomum japonicum 'Harlequin' 2
Cinnamomum jensenianum 4
Cinnamomum micranthum 3
Cinnamomum parthenoxylon 1
Cinnamomum verum 2
Cinnamomum wilsonii 7
Circium 1
Circium vulgare 3
Cirsium eatonii 1
Cirsium japonicum 'Shiro Fukurin Fu' 1
Cirsium neomexicanum 1
Cirsium scariosum 1
Cirsium scopulorum 5
Cissus 1
Cissus antarctica 3
Cissus discolor 5
Cissus trifoliata 6
Cistus 12
Cistus albidus 1
Cistus ×corbariensis 2
Cistus creticus 4
Cistus crispus 3
Cistus 'Grayswood Pink' 1
Cistus incanus 2
Cistus inflatus 3
Cistus ladanifer 3
Cistus laurifolius 4
Cistus libanotis 'Major' 1
Cistus 'McGuire's Gold' 17
Cistus 'Mickie' 32
Cistus monspeliensis 1
Cistus psilosepalus 9
Cistus pulverulentus 'Sunset' 11
Cistus ×purpureus 1
Cistus salviifolius 15
Cistus 'Snow Fire' 3
Cistus ×stenophyllus 1
×Citrofortunella microcarpa 2
×Citrofortunella microcarpa 'Tiger' 3
Citrullus lanatus 18
Citrus 38
Citrus ×aurantium 2
Citrus cavaleriei 14
Citrus cavaleriei × C. maxima 3
Citrus japonica 5
Citrus latipes 1
Citrus reticulata 4
Citrus reticulata 'Changsa' 1
Citrus ×sinensis 7
Citrus trifoliata 'Flying Dragon' 88
Cladrastis 1
Cladrastis kentukea 26
Cladrastis kentukea 'Perkins Pink' 24
Cladrastis platycarpa 12
Cladrastis sinensis 'China Rose' 5
Claytonia 2
Claytonia lanceolata 2
Claytonia megarhiza 18
Claytonia perfoliata 5
Claytonia virginica 27
Cleistes bifaria 10
Cleistes divaricata 21
Clematis 111
Clematis addisonii 17
Clematis afoliata 3
Clematis akebioides 1
Clematis 'Alionushka' 1
Clematis alpina 1
Clematis 'Arabella' 4
Clematis armandii 17
Clematis armandii 'Snowdrift' 4
Clematis 'Belle of Woking' 1
Clematis 'Betty Corning' 29
Clematis 'Bill MacKenzie' 4
Clematis 'Capitaine Thuilleaux' 0
Clematis 'Carnaby' 2
Clematis ×cartmanii 'Sweet Hart' 1
Clematis 'Chalcedony' 1
Clematis cirrhosa 8
Clematis cirrhosa var. purpurascens 'Freckles' 9
Clematis 'Cleminov29' 4
Clematis 'Cleminov51' 6
Clematis crassifolia 3
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 39
Clematis 'H.F. Young' 2
Clematis henryi 5
Clematis heracleifolia 2
Clematis heracleifolia var. davidiana 3
Clematis hirsutissima 35
Clematis integrifolia 16
Clematis integrifolia 'Alba' 9
Clematis integrifolia 'Blue Boy' 2
Clematis integrifolia 'Pangbourne Pink' 2
Clematis integrifolia 'Rose Colored Glasses' 4
Clematis 'Jackmanii' 1
Clematis japonica 5
Clematis japonica 'Golden Necklace' 3
Clematis 'Kilian Donahue' 6
Clematis ligusticifolia 3
Clematis macropetala 2
Clematis montana 2
Clematis montana 'Rubens' 10
Clematis 'My Angel' 3
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 pitcheri 2
Clematis 'Princess Diana' 6
Clematis recta 2
Clematis recta 'Lime Close' 7
Clematis recta 'Purpurea' 1
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 tangutica 5
Clematis terniflora 5
Clematis texensis 11
Clematis 'The Vagabond' 2
Clematis versicolor 4
Clematis villosa 7
Clematis viorna 1
Clematis [Viticella Group] 'Étoile Violet' 3
Clematis 'Wada's Primrose' 2
Clematis 'Zoprika' 2
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 speciosissimum 13
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 19
Clethra alnifolia 16
Clethra alnifolia 'Caleb' 2
Clethra alnifolia 'Creel's Calico' 3
Clethra alnifolia 'Hokie Pink' 7
Clethra alnifolia 'Hummingbird' 4
Clethra alnifolia 'Pink Spires' 1
Clethra alnifolia 'Rosea' 1
Clethra alnifolia 'Ruby Spice' 21
Clethra alnifolia 'Sherry Sue' 11
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 5
Clethra mexicana 5
Clethra monostachya 2
Clethra poilanei 2
Clethra pringlei 8
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 4
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 georgianum 'WAH/SS' 1
Clinopodium grandiflorum 3
Clinopodium laxiflorum 1
Clinopodium nepeta 3
Clinopodium nepeta subsp. glandulosum 'White Cloud' 8
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 6
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 13
Colocasia antiquorum 'Illustris' 14
Colocasia 'Blackwater' 3
Colocasia 'Diamond Head' 2
Colocasia 'Elena' 3
Colocasia esculenta 23
Colocasia esculenta 'Aloha' 10
Colocasia esculenta 'Black Coral' 4
Colocasia esculenta 'Black Magic' 18
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' 4
Colocasia esculenta 'Pink China' 2
Colocasia esculenta 'Rhubarb' 3
Colocasia esculenta 'White Lava' 2
Colocasia fallax 4
Colocasia gigantea 6
Colocasia gigantea 'Laosy Giant' 12
Colocasia gigantea (Thailand giant form) 57
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
Comanthosphace japonica 'Gin Santo Naka Fu' 5
Comanthosphace japonica 'Golden Angel' 1
Comanthosphace stellipilum 7
Comanthosphace stellipilum 'Frosty' 5
Comanthosphace stellipilum 'Variegatum' 5
Commelina 1
Comptonia peregrina 2
Conandron ramondioides 2
Conanthera campanulata 4
Coniogramme 3
Coniogramme emeiensis 'Golden Zebra' 2
Coniogramme gracilis 4
Coniogramme intermedia 'Rasha' 6
Coniogramme intermedia 'Shishi' 10
Coniogramme intermedia 'Yoroi Musha' 6
Coniogramme japonica 3
Coniogramme japonica 'Variegata' 2
Conocarpus erectus 2
Conocarpus erectus var. sericeus 6
Conoclinium coelestinum 8
Conoclinium dissectum 4
Conopholis americana 6
Conradina 1
Conradina (ALI-65 South) 5
Conradina canescens 12
Conradina etonia 6
Conradina verticillata 1
Consolida ajacis 20
Convallaria 7
Convallaria majalis 20
Convallaria majalis 'Cream da Mint' 1
Convallaria majalis 'Flore Pleno' 5
Convallaria majalis 'Golden Jubilee' 1
Convallaria majalis 'Potsdam Stripe' 1
Convallaria majalis var. rosea 2
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 19
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 15
Coreopsis auriculata 4
Coreopsis auriculata 'Nana' 2
Coreopsis auriculata 'Zamphir' 2
Coreopsis 'Autumn Blush' 2
Coreopsis 'Baluptred' 3
Coreopsis 'Cherry Pie' 2
Coreopsis 'Citrine' 2
Coreopsis 'Creme Brulee' 9
Coreopsis gigantea 8
Coreopsis gladiata 3
Coreopsis grandiflora 1
Coreopsis 'Heaven's Gate' 3
Coreopsis helianthoides 4
Coreopsis integrifolia 9
Coreopsis 'Limerock Ruby' 3
Coreopsis major 2
Coreopsis 'Mercury Rising' 5
Coreopsis palustris 'Summer Sunshine' 0
Coreopsis 'Pineapple Pie' 2
Coreopsis 'Pinwheel' 2
Coreopsis rosea 2
Coreopsis rosea 'Alba' 4
Coreopsis 'Ruby Frost' 2
Coreopsis 'Rum Punch' 5
Coreopsis 'Starlight' 5
Coreopsis 'Starstruck' 13
Coreopsis 'Sunshine Suzy' 4
Coreopsis tinctoria 4
Coreopsis tripteris 3
Coreopsis tripteris 'Lightning Flash' 1
Coreopsis verticillata 9
Coreopsis verticillata 'Moonbeam' 8
Coreopsis verticillata 'Route 66' 3
Coreopsis verticillata 'Zagreb' 7
Coriaria 8
Coriaria japonica 2
Coriaria japonica subsp. intermedia 4
Coriaria nepalensis 2
Coriaria terminalis 3
Coriaria terminalis var. xanthocarpa 1
Cornukaempferia aurantiflora 'Jungle Gold' 2
Cornus 82
Cornus alba 'Bailhalo' 2
Cornus alba 'Cream Cracker' 3
Cornus alba 'Elegantissima' 4
Cornus alba 'Garden Glow' 2
Cornus alba 'Minbat' 6
Cornus alba 'Regnzam' 7
Cornus alba 'Siberian Pearls' 2
Cornus alba 'Sibirica' 3
Cornus alba 'Spaethii' 1
Cornus alba 'Stdazam' 5
Cornus alternifolia 10
Cornus alternifolia 'Argentea' 12
Cornus alternifolia 'Bachone' 3
Cornus alternifolia 'Illusion' 1
Cornus alternifolia 'Silver Giant' 3
Cornus alternifolia 'Variegata' 4
Cornus alternifolia 'W. Stackman' 12
Cornus alternifolia 'Winter Surprise' 5
Cornus alternifolia 'Yellow Spring' 3
Cornus amomum 'Cayenne' 5
Cornus amomum subsp. obliqua 10
Cornus australis 12
Cornus canadensis 17
Cornus capitata 5
Cornus capitata subsp. emeiensis 14
Cornus capitata 'Mountain Moon' 1
Cornus chinensis 2
Cornus controversa 43
Cornus controversa 'Candlelight' 2
Cornus controversa 'Janine' 2
Cornus controversa 'June Snow' 2
Cornus controversa 'Laska' 5
Cornus controversa 'Lucia' 2
Cornus controversa 'Marginata Nord' 5
Cornus controversa 'Pagoda' 5
Cornus controversa 'Troya Dwarf' 3
Cornus controversa 'Variegata' 37
Cornus 'Eddie's White Wonder' 11
Cornus elliptica 12
Cornus elliptica 'Elsbry' 43
Cornus elliptica 'First Choice' 21
Cornus elliptica 'Full Moon' 3
Cornus florida 158
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' 10
Cornus florida 'Fircomz' 1
Cornus florida 'First Lady' 4
Cornus florida 'Little Princess' 1
Cornus florida 'Pendula' 14
Cornus florida 'Pluribracteata' 27
Cornus florida 'Pumpkin Patch' 6
Cornus florida 'Pygmaea' 10
Cornus florida f. rubra 13
Cornus florida 'Rutnut' 5
Cornus florida 'Suwanee Squat' 57
Cornus florida 'Unryu' 2
Cornus florida subsp. urbiniana 93
Cornus florida 'Welchii' 3
Cornus florida 'Xanthocarpa' 1
Cornus foemina 6
Cornus 'Gloria Birkett' 4
Cornus hongkongensis 7
Cornus hongkongensis 'Gekkou' 28
Cornus hongkongensis subsp. melanotricha 3
Cornus hongkongensis subsp. tonkinensis (white speckle) 2
Cornus iberica 4
Cornus 'Kenwyn Clapp' 4
Cornus 'Kf1-1' 4
Cornus 'Kn30-8' 10
Cornus 'Kn4-43' 2
Cornus kousa 94
Cornus kousa 'Akatsuki' 4
Cornus kousa 'Blue Shadow' 10
Cornus kousa × C. nuttallii 'KN4-43' 3
Cornus kousa var. chinensis 'Propzam' 8
Cornus kousa var. chinensis 'Samzam' 5
Cornus kousa 'Elizabeth Lustgarten' 6
Cornus kousa 'Galzam' 1
Cornus kousa 'Gold Crown' 1
Cornus kousa 'Gold Star' 9
Cornus kousa 'Greensleeves' 10
Cornus kousa 'Hanros' 2
Cornus kousa 'John Slocock' 3
Cornus kousa 'King' 1
Cornus kousa 'Kristin Lipka's Variegated Weeper' 5
Cornus kousa 'Limon Ripple' 2
Cornus kousa 'Little Beauty' 1
Cornus kousa 'Losely' 5
Cornus kousa 'Lustgarten Weeping' 27
Cornus kousa 'Madison' 6
Cornus kousa 'Medusa' 4
Cornus kousa 'Milky Way' 1
Cornus kousa 'Rutpink' 0
Cornus kousa 'Satomi' 4
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' 5
Cornus kousa 'White Dusted' 4
Cornus kousa 'Wolf Eyes' 4
Cornus macrophylla 23
Cornus mas 27
Cornus mas 'Aurea' 9
Cornus mas 'Aureoelegantissima' 3
Cornus mas 'Elegant' 5
Cornus mas 'Flava' 7
Cornus mas 'Pioneer' 11
Cornus mas 'Ukraine Yellow' 3
Cornus mas 'Variegata' 23
Cornus mas 'Vidubetskii' 5
Cornus mas (yellow-fruited) 4
Cornus 'Michael Steinhardt' 3
Cornus 'Ncch1' 5
Cornus 'Norman Hadden' 4
Cornus nuttallii 8
Cornus officinalis 39
Cornus officinalis 'Kintoki' 39
Cornus officinalis 'Spring Glow' 107
Cornus omeiense 'Summer Passion' 1
Cornus 'Porlock' 12
Cornus pumila 8
Cornus quinquenervis 14
Cornus racemosa 1
Cornus 5
Cornus rugosa 4
Cornus 'Rutban' 3
Cornus 'Rutcan' 46
Cornus (Rutdan variegated) 2
Cornus 'Rutgan' 4
Cornus 'Rutlan' 4
Cornus sanguinea 1
Cornus sanguinea 'Anny's Winter Orange' 4
Cornus sanguinea 'Cato' 2
Cornus sanguinea 'Midwinter Fire' 90
Cornus sanguinea 'Winter Beauty' 5
Cornus stolonifera 6
Cornus stolonifera 'Allemans Compact' 1
Cornus stolonifera 'Avalon Gold' 9
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 15
Cornus wilsoniana 'White Jade' 24
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' 26
Cortaderia selloana 'Gold Band' 1
Cortaderia selloana 'Sunningdale Silver' 24
Corydalis 11
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 38
Corylopsis glabrescens var. gotoana 'March Jewel' 11
Corylopsis glandulifera 13
Corylopsis pauciflora 20
Corylopsis sinensis 13
Corylopsis sinensis var. calvescens f. veitchiana 48
Corylopsis sinensis [Willmottiae Group] 'Spring Purple' 1
Corylopsis spicata 47
Corylopsis spicata 'Golden Spring' 19
Corylopsis spicata 'Ogon' 1
Corylopsis spicata 'Tosa Kasumi' 1
Corylopsis willmottiae 4
Corylus 3
Corylus americana 8
Corylus avellana 'Aurea' 6
Corylus avellana 'Contorta' 62
Corylus avellana 'Fuscorubra' 1
Corylus avellana 'Heterophylla' 7
Corylus avellana 'Pendula' 1
Corylus avellana 'Red Majestic' 8
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 13
Coryphantha vaupeliana 1
Cosmos 16
Cosmos atrosanguineus 6
Cosmos bipinnatus 15
Cosmos bipinnatus 'Xanthos' 6
Cosmos parviflorus 1
Cosmos sulphureus 82
Costus 10
Costus barbatus 3
Costus pictus 11
Costus speciosus 8
Costus speciosus 'Variegata' 1
Costus stenophyllus 1
Cotinus 15
Cotinus coggygria 18
Cotinus coggygria 'Ancot' 37
Cotinus coggygria 'Black Velvet' 11
Cotinus coggygria 'Daydream' 3
Cotinus coggygria 'Little Ruby' 3
Cotinus coggygria 'MINCOJAU3' 3
Cotinus coggygria 'Nccc2' 3
Cotinus coggygria 'Old Fashioned' 5
Cotinus coggygria 'Royal Purple' 9
Cotinus coggygria 'SMNCCPP3' 2
Cotinus coggygria 'White Marvel' 1
Cotinus coggygria (white splashed) 1
Cotinus coggygria 'Young Lady' 13
Cotinus 'Grace' 16
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' 4
Cotoneaster fangianus 4
Cotoneaster franchetii 14
Cotoneaster glaucophyllus 8
Cotoneaster horizontalis 7
Cotoneaster horizontalis 'Variegatus' 4
Cotoneaster lancasteri 3
Cotoneaster microphyllus 3
Cotoneaster mingkwongensis 2
Cotoneaster morrisonensis 3
Cotoneaster pannosus 4
Cotoneaster 'Rothschildianus' 2
Cotoneaster rotundifolius var. lanatus 3
Cotoneaster salicifolius 1
Cotoneaster salicifolius 'Avonbank' 4
Cotoneaster salwinensis 4
Cotula 1
Cotula hispida 8
Cotula squalida 1
Cotyledon 1
Cotyledon orbiculata 4
Cotyledon orbiculata var. oblonga 8
Couroupita guianensis 11
Craibiodendron yunnanensis 6
Crambe maritima 6
Crassula 1
Crassula corallina 3
Crassula ovata 6
Crassula peploides 2
Crataegus 8
Crataegus columbiana 8
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 14
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 5
Crinum 85
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 11
Crinum ×augustum 5
Crinum ×baconii '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 'Carnival' 9
Crinum 'Carolina Beauty' 13
Crinum 'Cecil Houdyshel' 19
Crinum 'Cecil's Choice' 0
Crinum 'Claude Davis' 7
Crinum ×digweedii 11
Crinum ×digweedii 'Mahon' 18
Crinum ×digweedii 'Red Flare' 3
Crinum (dwarf) 7
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 'Carol Abbott' 8
Crinum ×herbertii 'Paul Bunyon' 2
Crinum ×herbertii (pink keal) 8
Crinum ×herbertii (red keel) 7
Crinum ×herbertii 'Schreck' 16
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 'Kitty Clint' 7
Crinum 'Kridler Clone' 4
Crinum 'Li'l Stinker' 2
Crinum 'Lorraine Clark' 0
Crinum macowanii 1
Crinum 'Maiden's Blush' 7
Crinum 'Menehune' 3
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 16
Crinum 'Rodger Croker Memorial' 2
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' 16
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 'Jenny Bloom' 6
Crocosmia 'Lucifer' 7
Crocosmia 'Mistral' 2
Crocosmia 'Solfaterre' 4
Crocosmia 5
Crocosmia 'Walbreyes' 3
Crocus 63
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' 6
Crocus chrysanthus 'Herald' 15
Crocus chrysanthus 'Ladykiller' 4
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' 21
Crocus korolkowii 'Black-Eyed Beauty' 1
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 3
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' 10
Crocus speciosus 14
Crocus speciosus 'Artabia' 1
Crocus speciosus 'Conqueror' 1
Crocus thirkeanus 1
Crocus tommasinianus 2
Crocus tommasinianus 'Albus' 6
Crocus tommasinianus 'Barr's Purple' 13
Crocus tommasinianus 'Lilac Beauty' 6
Crocus tommasinianus 'Pictus' 3
Crocus tommasinianus 'Roseus' 12
Crocus tommasinianus 'Ruby Giant' 20
Crocus tommasinianus 'Whitewell Purple' 1
Crocus tournefortii 1
Crocus vernus 31
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 17
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 69
Cryptomeria japonica 'Al's Blue' 6
Cryptomeria japonica 'Araucarioides' 5
Cryptomeria japonica 'Bandai Sugi' 4
Cryptomeria japonica 'Beaumont's Dwarf' 9
Cryptomeria japonica 'Benjamin Franklin' 4
Cryptomeria japonica 'Birodo Sugi' 7
Cryptomeria japonica 'Black Dragon' 6
Cryptomeria japonica 'Butterball' 8
Cryptomeria japonica 'Champagne' 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 Nana' 6
Cryptomeria japonica 'Golden Promise' 5
Cryptomeria japonica 'Gracilis' 10
Cryptomeria japonica 'Gyokuryu' 4
Cryptomeria japonica 'Kilmacurragh' 1
Cryptomeria japonica 'Knaptonensis' 4
Cryptomeria japonica 'Koshyi' 6
Cryptomeria japonica 'Kusari sugi' 2
Cryptomeria japonica 'Lemonade' 16
Cryptomeria japonica 'Little Diamond' 3
Cryptomeria japonica 'Littleworth Dwarf' 1
Cryptomeria japonica 'Lobbii' 5
Cryptomeria japonica 'Lobbii Nana Aurea' 1
Cryptomeria japonica 'Magic Dragon' 7
Cryptomeria japonica 'Mejiro' 5
Cryptomeria japonica 'Monstrosa' 5
Cryptomeria japonica 'Mushroom' 1
Cryptomeria japonica 'Nana' 6
Cryptomeria japonica 'Nana Albospica' 5
Cryptomeria japonica 'Pom Pom' 13
Cryptomeria japonica var. radicans 3
Cryptomeria japonica 'Rasen' 10
Cryptomeria japonica 'Rein's Dense Jade' 7
Cryptomeria japonica 'Ryokogu Coyokyu' 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' 7
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' 4
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' 3
Cunninghamia lanceolata 'Glauca' 7
Cunninghamia lanceolata 'Greer's Dwarf' 2
Cunninghamia lanceolata var. konishii 10
Cunninghamia lanceolata var. konishii (ABG blue) 5
Cunninghamia lanceolata var. konishii 'Little Leo' 1
Cunninghamia lanceolata 'Samurai' 4
Cunninghamia lanceolata 'Tom Dodd's Dwarf' 1
Cunninghamia unicanaliculata 3
Cuphea 12
Cuphea 'Balhoelrel' 1
Cuphea 'Cupver' 7
Cuphea cyanea 1
Cuphea cyanea 'Ashevilla' 1
Cuphea glutinosa 2
Cuphea hyssopifolia 1
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' 12
Cupressus arizonica 'Golden Pyramid' 6
Cupressus arizonica 'Limelight' 26
Cupressus arizonica 'Pyramidalis' 1
Cupressus arizonica 'Raywood Weeping' 3
Cupressus arizonica 'Sapphire Skies' 6
Cupressus arizonica var. stephensonii (dwarf form) 3
Cupressus arizonica 'Sulfurea' 7
Cupressus cashmeriana 9
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 macrocarpa 27
Cupressus macrocarpa 'Donard Gold' 17
Cupressus macrocarpa 'Golden Pillar' 5
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 46
Cupressus sempervirens 'Swane's Golden' 3
Cupressus torulosa 3
Cupressus vietnamensis 8
×Cuprocyparis leylandii 88
×Cuprocyparis leylandii 'Castlewellan' 5
×Cuprocyparis leylandii 'Golconda' 4
×Cuprocyparis leylandii 'Gold Rider' 2
×Cuprocyparis leylandii 'Gold Rider Silver' 2
×Cuprocyparis leylandii 'Green Spire' 7
×Cuprocyparis leylandii 'Harlequin' 3
×Cuprocyparis leylandii 'Mellow Yellow' 1
×Cuprocyparis leylandii 'Naylor's Blue' 1
×Cuprocyparis leylandii 'Picturesque' 27
×Cuprocyparis leylandii 'Silver Dust' 2
×Cuprocyparis leylandii 'Star Wars' 2
×Cuprocyparis ovensii 6
Curculigo aff. crassifolia 4
Curcuma 1
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' 13
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
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 1
Cycas circinalis 4
Cycas micronesica 3
Cycas panzhihuaensis 6
Cycas revoluta 35
Cycas segmentifida 1
Cycas taitungensis 3
Cyclamen 55
Cyclamen africanum 8
Cyclamen cilicium 13
Cyclamen coum 90
Cyclamen coum 'Maurice Dryden' 3
Cyclamen coum 'Something Magic' 2
Cyclamen graecum 22
Cyclamen hederifolium 80
Cyclamen hederifolium Album Group 2
Cyclamen hederifolium Album Group (Ian White form) 1
Cyclamen hederifolium Album Group (silver leaf) 2
Cyclamen hederifolium Ashwood Nurseries Silver Leaf Group 50
Cyclamen hederifolium var. hederifolium f. albiflorum 11
Cyclamen hederifolium (pewter arrowhead form) 4
Cyclamen hederifolium 'Silver Arrow' 3
Cyclamen hederifolium (silver leaf) 2
Cyclamen mirabile 2
Cyclamen persicum 20
Cyclamen persicum var. persicum f. puniceum 1
Cyclamen pseudibericum 2
Cyclamen pseudibericum f. roseum 1
Cyclamen purpurascens 26
Cyclamen purpurascens (Fatra form) 5
Cyclamen repandum 2
Cyclamen ×whiteae 2
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' 6
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 erythraeum (showy red lip) 1
Cymbidium goeringii 6
Cymbidium goeringii 'Chun Li' 5
Cymbidium goeringii 'Early Riser' 6
Cymbidium sinense 12
Cymbopogon citratus 1
Cymophyllus fraserianus 3
Cynanchum 1
Cynanchum ascyrifolium 9
Cynanchum chekiangense 5
Cynara 1
Cynara cardunculus 21
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 2
Cynoglossum amabile 4
Cynoglossum officinale 1
Cypella coelestis 22
Cypella herbertii 6
Cypella herbertii subsp. brevicristata 2
Cypella osteniana 2
Cyperus 6
Cyperus albostriatus 'Nanus' 8
Cyperus albostriatus 'Variegatus' 3
Cyperus alternifolius 22
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' 4
Cypripedium formosanum 1
Cypripedium 'Gabriela' 2
Cypripedium japonicum 5
Cypripedium macranthos 1
Cypripedium parviflorum 2
Cypripedium 'Philipp' 6
Cypripedium reginae 4
Cyrilla 2
Cyrilla arida 1
Cyrilla parvifolia 4
Cyrilla parvifolia 'Josephine' 2
Cyrilla racemiflora 17
Cyrilla racemiflora 'Graniteville' 5
Cyrilla racemiflora 'Spring Cloud' 2
Cyrtanthus ×henryi 4
Cyrtochilum murinum 1
Cyrtomium 8
Cyrtomium caryotideum 4
Cyrtomium falcatum 4
Cyrtomium falcatum 'Butterfieldii' 3
Cyrtomium falcatum 'Shishi' 2
Cyrtomium cf. fortunei 2
Cyrtomium fortunei 4
Cyrtomium fortunei 'Ulleung Island' 2
Cyrtomium urophyllum 1
Cyrtosperma merkusii 2
Cyrtostachys renda 9
Cystopteris fragilis 8
Cytisus 15
Cytisus battandieri 12
Cytisus 'Burkwoodii' 3
Cytisus 'Lena' 4
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 11
Dactylorhiza maculata 3
Dactylorhiza praetermissa 1
Dactylorhiza ×transiens 1
Dahlia 540
Dahlia 'Bell Boy' 1
Dahlia 'Bishop of Canterbury' 8
Dahlia 'Bishop of Llandaff' 11
Dahlia 'Bishop of Oxford' 2
Dahlia 'Bishop of York' 4
Dahlia 'Bon Bini' 2
Dahlia 'Classic Elise' 2
Dahlia 'Classic Giselle' 5
Dahlia 'Classic Summertime' 8
Dahlia coccinea 14
Dahlia 10
Dahlia 17
Dahlia 'David Howard' 4
Dahlia 'Ellen Huston' 7
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 77
Dahlia imperialis (double white) 5
Dahlia 'Joliet' 5
Dahlia 'Karma Gold' 1
Dahlia 'Knockout' 27
Dahlia 'Masquerade' 3
Dahlia merckii 2
Dahlia pinnata 'G13525' 3
Dahlia pinnata 'G14402dahl' 7
Dahlia 'Roodkapje' 5
Dahlia 'Rosamunde' 2
Dahlia 'Roxy' 3
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 8
Dalea candida 6
Dalea greggii 2
Dalea lutea 2
Dalea ornata 5
Dalea purpurea 2
Dalechampia dioscoreifolia 2
Dalechampia roezliana 4
Danae racemosa 25
Daphne 47
Daphne acutiloba 4
Daphne arisanensis 4
Daphne bholua 4
Daphne bholua 'Jacqueline Postill' 2
Daphne ×burkwoodii 'Briggs Moonlight' 7
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 86
Daphne ×hendersonii 2
Daphne ×hendersonii (pale-flowered) 8
Daphne 'Hinton' 3
Daphne ×houtteana 9
Daphne jasminea 4
Daphne jezoensis 1
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 25
Daphne odora f. alba 9
Daphne odora 'Albomarginata' 5
Daphne odora 'Aureamarginata Alba' 5
Daphne odora 'Aureomarginata' 56
Daphne odora 'Geisha Girl' 3
Daphne odora 'Hewreb' 16
Daphne odora 'Mae-jima' 27
Daphne odora 'Nakafu' 28
Daphne odora 'Ringmaster' 3
Daphne odora 'Ripple' 9
Daphne odora 'Rogbret' 3
Daphne odora 'Shinano Nishiki' 12
Daphne odora 'Wild Winter' 6
Daphne odora 'Zuiko Nishiki' 33
Daphne oleoides 2
Daphne oleoides var. kurdica 2
Daphne pseudomezereum 29
Daphne retusa 3
Daphne ×schlyteri 12
Daphne sericea 2
Daphne 'Stasek' 8
Daphne ×susannae 'Cheriton' 2
Daphne ×susannae 'Lawrence Crocker' 7
Daphne 'Tage Lundell' 9
Daphne tangutica 11
Daphne ×transatlantica 'Beulah Cross' 7
Daphne ×transatlantica 'Blafra' 8
Daphne ×transatlantica 'Jim's Pride' 1
Daphne ×transatlantica 'Summer Ice' 2
Daphniphyllum 15
Daphniphyllum aff. angustifolium 2
Daphniphyllum calycinum 6
Daphniphyllum chartaceum 3
Daphniphyllum himalayense subsp. himalayense 2
Daphniphyllum humile 5
Daphniphyllum longistylum 1
Daphniphyllum macropodum 64
Daphniphyllum macropodum 'Ki Midori Nakafu' 2
Daphniphyllum macropodum 'Shiro Fukurin' 1
Daphniphyllum pentandrum 6
Daphniphyllum (red flush white splashed) 1
Daphniphyllum teijsmannii 'Mountain Dove' 19
Daphniphyllum teijsmannii 'Mountain Dove' 4
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 13
Dasylirion berlandieri 'Zaragoza Blue' 0
Dasylirion cedrosanum 4
Dasylirion durangense 8
Dasylirion gentryi 5
Dasylirion glaucophyllum 1
Dasylirion leiophyllum 8
Dasylirion longissimum 3
Dasylirion lucidum 2
Dasylirion miquihuanense 1
Dasylirion quadrangulatum 7
Dasylirion texanum 26
Dasylirion wheeleri 26
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 66
Davidia involucrata 'Lady Dahlia' 6
Davidia involucrata 'Lady Sunshine' 4
Davidia involucrata 'Platt's Variegated' 4
Davidia involucrata 'Sonoma' 10
Davidia involucrata (variegated form) 1
Davidia involucrata 'White Dust' 1
Davidia involucrata (yellow splashed) 1
Debregeasia orientalis 2
Decaisnea fargesii 4
Decatropis bicolor 2
Decumaria 5
Decumaria barbara 9
Decumaria barbara 'Chatooga' 3
Decumaria sinensis 1
Degenia velebitica 3
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