Botanical Name Index

The 16,156 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 14
Abelia chinensis 30
Abelia dielsii 1
Abelia floribunda 8
Abelia ×grandiflora 12
Abelia ×grandiflora 'Abelops' 10
Abelia ×grandiflora 'Canyon Creek' 11
Abelia ×grandiflora 'Compacta' 3
Abelia ×grandiflora 'Conti' 16
Abelia ×grandiflora (Dirr #6) 1
Abelia ×grandiflora 'Francis Mason' 4
Abelia ×grandiflora 'Goldenglossy' 9
Abelia ×grandiflora 'Hopleys' 16
Abelia ×grandiflora 'Kaleidoscope' 28
Abelia ×grandiflora 'Keiser' 6
Abelia ×grandiflora 'Little Richard' 1
Abelia ×grandiflora 'Mardi Gras' 5
Abelia ×grandiflora 'Margarita' 6
Abelia ×grandiflora 'Minduo1' 8
Abelia ×grandiflora 'Radiance' 12
Abelia ×grandiflora 'Rose Creek' 9
Abelia ×grandiflora 'Sherwoodii' 2
Abelia ×grandiflora 'Sunrise' 9
Abelia ×grandiflora 'Wev02' 8
Abelia integrifolia 2
Abelia 'Lynn' 5
Abelia mosanensis 26
Abelia parvifolia 8
Abelia parvifolia 'Saxon Gold' 10
Abelia serrata 3
Abelia spathulata 16
Abelia 'X10-9002-23' 7
Abelia 'X10-9010-12' 10
Abelia 'X10-9028-7' 5
Abelia 'X10-9044-1' 5
Abeliophyllum distichum 6
Abeliophyllum distichum Roseum Group 1
Abelmoschus esculentus 6
Abelmoschus manihot 9
Abelmoschus moschatus 2
Abies 27
Abies alba 1
Abies alba 'Holden Arboretum' 1
Abies amabilis 'Spreading Star' 1
Abies balsamea 3
Abies balsamea Hudsonia Group 1
Abies balsamea 'Nana' 1
Abies balsamea var. phanerolepis 1
Abies bornmuelleriana 'Barney' 1
Abies cephalonica 1
Abies cephalonica 'Meyer's Dwarf' 4
Abies cilicica 1
Abies concolor 16
Abies concolor 'Blue Cloak' 10
Abies concolor 'Candicans' 3
Abies concolor 'Compacta' 2
Abies concolor 'Gable's Weeping' 2
Abies concolor 'Glenmore' 2
Abies concolor 'Piggelmee' 1
Abies fabri 5
Abies fargesii 10
Abies firma 50
Abies forrestii var. georgei 4
Abies fraseri 7
Abies guatemalensis 4
Abies holophylla 7
Abies homolepis 'Prostrata' 1
Abies koreana 17
Abies koreana 'Aurea' 2
Abies koreana 'Blauer Eskimo' 1
Abies koreana 'Cis' 13
Abies koreana 'Green Carpet' 1
Abies koreana 'Piccolo' 2
Abies koreana 'Prostrate Beauty' 4
Abies koreana 'Silber Mavers' 2
Abies koreana 'Silberlocke' 13
Abies koreana 'Silver Show' 2
Abies koreana 'Tundra' 1
Abies lasiocarpa 5
Abies lasiocarpa var. arizonica 2
Abies nebrodensis 7
Abies nordmanniana 12
Abies nordmanniana 'Durham Dwarf' 1
Abies nordmanniana subsp. equi-trojani 2
Abies nordmanniana 'Golden Spreader' 4
Abies nordmanniana 'Prostrata' 4
Abies nordmanniana 'Tortifolia' 6
Abies pinsapo 8
Abies pinsapo 'Aurea' 8
Abies pinsapo 'Glauca' 11
Abies pinsapo 'Horstmann' 2
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 19
Abutilon 'Bartley Schwartz' 2
Abutilon (Chinese red) 18
Abutilon ×hybridum 1
Abutilon 'Kentish Belle' 3
Abutilon 'Marion Stewart' 1
Abutilon megapotamicum 2
Abutilon megapotamicum 'Little Imp' 29
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 angustissima 3
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
Acaena 4
Acaena caesiglauca 2
Acaena microphylla 'Kupferteppich' 2
Acaena microphylla var. pauciglochidiata 2
Acalypha 3
Acalypha chamaedrifolia 1
Acalypha hispida 10
Acalypha pendula 19
Acalypha wilkesiana 11
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 hohenackeri 5
Acantholimon litvinovii 2
Acantholimon trojanum 1
Acantholimon venustum 4
Acanthus 16
Acanthus balcanicus 9
Acanthus dioscoridis var. perringii 14
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' 14
Acanthus 'Whitewater' 8
Acca sellowiana 15
Acca sellowiana 'Kawatiri' 4
Acca sellowiana 'Nazemetz' 4
Acca sellowiana 'NCSU Hardy' 30
Acca sellowiana 'Opal Star' 3
Acer 220
Acer acuminatum 3
Acer albopurpurascens 7
Acer argutum 3
Acer 'Asian Queen' 4
Acer barbatum 1
Acer buergerianum 33
Acer buergerianum 'Angyo Weeping' 2
Acer buergerianum 'Bling-bling' 3
Acer buergerianum var. formosanum 12
Acer buergerianum 'Iwao Kaede' 3
Acer buergerianum 'Mino yatsubusa' 10
Acer buergerianum 'Miyadono' 5
Acer buergerianum 'Miyasama' 4
Acer buergerianum 'Miyasama Yatsubusa' 4
Acer buergerianum 'Naruto' 13
Acer buergerianum var. ningpoense 12
Acer buergerianum 'Wako Nishiki' 3
Acer caesium 1
Acer calcaratum 1
Acer campbellii 3
Acer campbellii 'Boney Fingers' 3
Acer campbellii subsp. campbellii 6
Acer campbellii 'Exuberance' 1
Acer campbellii subsp. flabellatum 3
Acer campbellii subsp. sinense 7
Acer campbellii subsp. sinense 'Rugov' 2
Acer campestre 5
Acer campestre 'Carnival' 7
Acer campestre 'Evelyn' 3
Acer campestre 'Nanum' 11
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 38
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 34
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 49
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 3
Acer grandidentatum 'Hipazam' 3
Acer grandidentatum 'JFS-NuMex 3' 3
Acer griseum 71
Acer griseum × A. pseudoplatanus 3
Acer heldreichii 2
Acer heldreichii subsp. trautvetteri 3
Acer henryi 35
Acer hyrcanum 3
Acer japonicum 9
Acer japonicum 'Aconitifolium' 35
Acer japonicum 'Aureum' 1
Acer japonicum 'Filicifolium' 28
Acer japonicum 'Green Cascade' 6
Acer japonicum 'Ô Isami' 3
Acer japonicum 'Vitifolium' 4
Acer japonicum 'Wood's #2' 3
Acer 'Jfs-kw249' 3
Acer laevigatum 14
Acer laevigatum 'Hóng Lóng' 5
Acer laurinum 1
Acer laurinum (variegated) 1
Acer leucoderme 2
Acer leucoderme 'Confederate Ghost' 5
Acer longipes 8
Acer longipes subsp. catalpifolium 5
Acer macrophyllum 9
Acer mandschuricum 4
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' 25
Acer nigrum 7
Acer nipponicum 2
Acer oblongum 32
Acer oliverianum 3
Acer oliverianum subsp. formosanum 4
Acer oliverianum 'Nakahara Beni' 3
Acer palmatum 406
Acer palmatum × A. circinatum 9
Acer palmatum 'Aka Kawa Hime' 7
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' 3
Acer palmatum 'Beni Hagoromo' 4
Acer palmatum 'Beni Hoshi' 10
Acer palmatum 'Beni kawa' 33
Acer palmatum 'Beni komachi' 18
Acer palmatum 'Beni Mikawa' 1
Acer palmatum 'Beni ôtake' 8
Acer palmatum 'Beni schichihenge' 8
Acer palmatum 'Beni shi en' 2
Acer palmatum 'Beni ubi gohon' 5
Acer palmatum 'Bihou' 13
Acer palmatum 'Bloodgood' 26
Acer palmatum 'Burgundy Lace' 5
Acer palmatum 'Butterfly' 11
Acer palmatum 'Calico' 5
Acer palmatum 'Chishio Improved' 3
Acer palmatum 'Coonara Pygmy' 18
Acer palmatum 'Corallinum' 8
Acer palmatum 'Crimson Princess' 3
Acer palmatum 'Crimson Queen' 2
Acer palmatum Dissectum Atropurpureum Group 281
Acer palmatum 'Dissectum Variegatum' 0
Acer palmatum Dissectum Viride Group 31
Acer palmatum 'Dragon Tears' 1
Acer palmatum 'E.P.' 12
Acer palmatum 'Emerald Lace' 14
Acer palmatum 'Emperor I' 7
Acer palmatum 'Enkan' 6
Acer palmatum 'Fairy Hair' 2
Acer palmatum 'Fireball' 4
Acer palmatum 'Fireglow' 7
Acer palmatum 'Flavescens' 2
Acer palmatum 'Frilly Willy' 3
Acer palmatum 'Fujinami Nishiki' 1
Acer palmatum 'Garnet' 3
Acer palmatum 'Geisha Gone Wild' 8
Acer palmatum 'Germaine's Gyration' 5
Acer palmatum 'Glowing Embers' 1
Acer palmatum 'Gold Digger' 2
Acer palmatum 'Golden Flame' 3
Acer palmatum 'Goshiki kotohime' 6
Acer palmatum 'Goshiki Shidare' 1
Acer palmatum 'Green Hornet' 19
Acer palmatum 'Green Star' 6
Acer palmatum 'Hagoromo' 5
Acer palmatum 'Hana Matoi' 9
Acer palmatum 'Hefner's Red' 5
Acer palmatum 'Higasa yama' 27
Acer palmatum 'Hime Shojo' 4
Acer palmatum 'Hino Tori Nishiki' 5
Acer palmatum 'Hôgyoku' 7
Acer palmatum 'Hubb's Red Willow' 10
Acer palmatum 'Hupp's Dwarf' 3
Acer palmatum 'Ikandi' 3
Acer palmatum 'Inaba shidare' 1
Acer palmatum 'Jeannie's Dream' 4
Acer palmatum 'Jerre Schwartz' 3
Acer palmatum 'Jirô shidare' 6
Acer palmatum 'Kagiri Nishiki' 3
Acer palmatum 'Kamagata' 8
Acer palmatum 'Karasu gawa' 1
Acer palmatum 'Kashima yatsubusa' 6
Acer palmatum 'Katsura' 4
Acer palmatum 'Ki Hachijo' 4
Acer palmatum 'Kiri Nishiki' 4
Acer palmatum 'Kiyohime' 9
Acer palmatum 'Kiyohime Yatsubusa' 4
Acer palmatum 'Koshimino' 1
Acer palmatum 'Koto ito komachi' 13
Acer palmatum 'Koto-no-ito' 2
Acer palmatum 'Koyamadari Nishiki' 5
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' 14
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' 15
Acer palmatum 'Nishiki Momiji' 11
Acer palmatum 'Nuresagi' 14
Acer palmatum 'O jishi' 3
Acer palmatum 'Ô kagami' 14
Acer palmatum 'Okukuji Nishiki' 7
Acer palmatum 'Okushimo' 10
Acer palmatum 'Omure yama' 5
Acer palmatum 'Orange Dream' 25
Acer palmatum 'Orange Hagoromo' 2
Acer palmatum 'Orangeola' 8
Acer palmatum 'Oregon Sunset' 11
Acer palmatum 'Oridono Nishiki' 12
Acer palmatum 'Orion' 5
Acer palmatum 'Ornatum' 8
Acer palmatum 'Ōsakasuki' 10
Acer palmatum 'Oshio beni' 18
Acer palmatum 'Owen's Pink' 2
Acer palmatum 'Peaches and Cream' 4
Acer palmatum 'Pendulum Julian' 43
Acer palmatum 'Peve Starfish' 10
Acer palmatum 'Pixie' 1
Acer palmatum 'Pung Kil' 3
Acer palmatum 'Purple Ghost' 9
Acer palmatum 'Raraflora' 6
Acer palmatum 'Red Baron' 7
Acer palmatum 'Red Dragon' 9
Acer palmatum 'Red Filigree Lace' 11
Acer palmatum 'Red Pygmy' 9
Acer palmatum 'Red Select' 10
Acer palmatum 'Reticulatum' 1
Acer palmatum 'Rhode Island Red' 13
Acer palmatum 'Roja Yatsubusa' 3
Acer palmatum 'Ruby Stars' 6
Acer palmatum 'Ryugu' 4
Acer palmatum 'Ryusen' 17
Acer palmatum 'Sagara Nishiki' 5
Acer palmatum 'Saiho' 3
Acer palmatum 'Sango kaku' 57
Acer palmatum 'Satsuki Beni' 3
Acer palmatum 'Scarlet Princess' 1
Acer palmatum 'Scolopendriifolium' 15
Acer palmatum 'Searles Variegated' 3
Acer palmatum 'Seigai' 5
Acer palmatum 'Seiryu' 11
Acer palmatum 'Seiun kaku' 16
Acer palmatum 'Sekka Yatsubusa' 7
Acer palmatum 'Senkaki' 1
Acer palmatum 'Shaina' 10
Acer palmatum 'Sharp's Pygmy' 7
Acer palmatum 'Sherwood Flame' 4
Acer palmatum 'Shidava Gold' 1
Acer palmatum 'Shigitatsu sawa' 7
Acer palmatum 'Shishi Yatsubusa' 4
Acer palmatum 'Shishigashira' 27
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' 13
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' 10
Acer palmatum 'Villa Taranto' 2
Acer palmatum 'Wabito' 13
Acer palmatum 'Waterfall' 18
Acer palmatum 'William S. Campbell' 2
Acer palmatum 'Willow Leaf' 2
Acer palmatum 'Wilson's Pink Dwarf' 2
Acer palmatum 'Wou Nishiki' 15
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 var. mono 23
Acer pictum 'Naguri Nishiki' 1
Acer pictum 'Tokiwa Nishiki' 2
Acer pictum 'Usugumo' 12
Acer pilosum var. stenolobum 15
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' 4
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 9
Acer pseudosieboldianum subsp. takesimense 8
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' 28
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' 9
Acer saccharum 33
Acer saccharum 'Barrett Cole' 13
Acer saccharum 'Calliope' 2
Acer saccharum 1
Acer saccharum 'Flax Mill Majesty' 17
Acer saccharum 'Millane Dwarf' 3
Acer saccharum 'Monumentale' 4
Acer saccharum 'Newton Sentry' 3
Acer saccharum 'PNI 0285' 1
Acer saccharum 'Reba' 5
Acer saccharum 'Sweet Shadow' 1
Acer sempervirens 11
Acer serrulatum 3
Acer shirasawanum 6
Acer shirasawanum 'Aureum' 15
Acer shirasawanum 'Autumn Moon' 18
Acer shirasawanum 'Johin' 2
Acer shirasawanum 'Jordan' 6
Acer shirasawanum 'Kawaii' 5
Acer shirasawanum 'Munn 001' 8
Acer shirasawanum 'Palmatifolium' 3
Acer shirasawanum 'Red Dawn' 5
Acer shirasawanum var. tenuifolium 'Keikan Zan' 2
Acer shirasawanum 'Yasemin' 3
Acer sieboldianum 'Kumoi nishiki' 2
Acer sieboldianum 'Seki-no-kegon' 5
Acer sikkimense 6
Acer sikkimense subsp. metcalfii 1
Acer skutchii 12
Acer skutchii 'Tequila Sunrise' 13
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' 13
Acer tataricum subsp. ginnala 'V.N. Strain' 4
Acer tataricum subsp. ginnala (variegated) 4
Acer tataricum subsp. semenovii 15
Acer tataricum subsp. tataricum 11
Acer tataricum subsp. theiferum 2
Acer tegmentosum 'Joe Witt' 3
Acer tegmentosum 'White Tigress' 7
Acer triflorum 24
Acer truncatum 6
Acer truncatum 'Golden Dragon' 3
Acer truncatum 'WF-AT1' 25
Acer tschonoskii 11
Acer tutcheri subsp. formosanum 14
Acer velutinum 1
Acer wangchii 2
Acer ×waxmanii 3
Acer 'White Tigress' 6
Achillea 30
Achillea alpina subsp. camtschatica 'Love Parade' 2
Achillea clavennae 1
Achillea 'Coronation Gold' 6
Achillea filipendulina 6
Achillea grandifolia 5
Achillea millefolium 7
Achillea millefolium (Montrose rose form) 14
Achillea millefolium 'Orange Queen' 1
Achillea millefolium 'Paprika' 11
Achillea millefolium 'Royal Tapestry' 1
Achillea 'Moonshine' 3
Achillea ptarmica 3
Achillea ptarmica 'The Pearl' 1
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 21
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 10
Acorus gramineus 'Aureus' 1
Acorus gramineus 'Licorice' 3
Acorus gramineus 'Masamune' 6
Acorus gramineus 'Minimus Aureus' 2
Acorus gramineus 'Oborozuki' 5
Acorus gramineus 'Ogon' 10
Acorus gramineus 'Variegatus' 7
Acrocomia aculeata 1
Actaea 4
Actaea dahurica 2
Actaea japonica 4
Actaea pachypoda 3
Actaea pachypoda 'Misty Blue' 3
Actaea racemosa 9
Actaea rubra 16
Actaea rubra f. neglecta 4
Actaea simplex 2
Actaea simplex [Atropurpurea Group] 'Black Negligee' 1
Actaea simplex [Atropurpurea Group] 'Brunette' 2
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 20
Actinidia kolomikta 10
Actinidia polygama 8
Actinodaphne lancifolia 2
Actinodaphne lancifolia var. sinensis 1
Adansonia digitata 3
Adenium obesum 1
Adenophora confusa 1
Adenophora morrisonensis subsp. uehatae 2
Adenophora triphylla var. japonica 2
Adiantum 8
Adiantum aleuticum 9
Adiantum aleuticum 'Imbricatum' 3
Adiantum capillus-veneris 10
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 2
Adiantum hispidulum 'Mount Haleakala' 3
Adiantum ×mairisii 3
Adiantum pedatum 17
Adiantum venustum 16
Adina rubella 18
Adina rubella 'Purple Flower' 11
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 1
Aegopodium podagraria 1
Aegopodium podagraria 'Variegatum' 3
Aeonium 3
Aeonium arboreum 'Zwartkop' 21
Aeonium 'Sunburst' 1
Aeschynanthus parvifolius 1
Aesculus 44
Aesculus ×arnoldiana 10
Aesculus californica 24
Aesculus californica 'Canyon Pink' 11
Aesculus californica 'Grants Ruby' 1
Aesculus ×carnea 3
Aesculus ×carnea 'Aureomarginata' 1
Aesculus ×carnea 'Briotii' 10
Aesculus ×carnea 'Fort McNair' 5
Aesculus ×carnea 'O'Neill' 3
Aesculus ×carnea 'Rosea' 29
Aesculus ×carnea 'Variegata' 21
Aesculus ×carnea (variegated) 2
Aesculus chinensis 13
Aesculus chinensis var. wilsonii 2
Aesculus flava 10
Aesculus glabra 9
Aesculus glabra var. arguta 29
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 33
Aesculus parviflora 'Rogers' 2
Aesculus parviflora f. serotina 1
Aesculus pavia 'Fishtail' 8
Aesculus pavia 'Humilis' 19
Aesculus pavia var. pavia 24
Aesculus pavia (PRN preferred selection) 2
Aesculus pavia 'Splendens' 33
Aesculus pavia (yellow) 23
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 2
Aethionema grandiflorum 1
Aethionema saxatile 7
Aethionema schistosum 3
Aethionema subulatum 13
Afrocarpus falcatus 3
Afrocarpus gracilior 2
Agalinis 1
Agalinis aphylla 9
Agalinis fasciculata 4
Agapanthus 54
Agapanthus africanus 8
Agapanthus africanus 'Alba' 2
Agapanthus africanus 'Peter Pan' 1
Agapanthus africanus 'Variegatus' 1
Agapanthus 'Blue Globe' 1
Agapanthus 'Blue Heaven' 2
Agapanthus 'Early Blue' 3
Agapanthus inapertus major 6
Agapanthus 'Monmid' 5
Agapanthus orientalis 'Pmn06' 1
Agapanthus praecox subsp. orientalis 'Queen Anne Select' 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' 5
Agastache 'Kudos Gold' 2
Agastache mexicana 2
Agastache mexicana 'Toronjil Moroda' 1
Agastache pallidiflora 6
Agastache pringlei 1
Agastache 'Raspberry Summer' 2
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 166
Agave americana 20
Agave americana (Abbey Garden Form) 1
Agave americana 'Creamy Edge' 2
Agave americana 'Lemon Lime' 9
Agave americana 'Marginata' 11
Agave americana 'Mediopicta' 1
Agave americana 'Mediopicta Alba' 3
Agave americana 'Opal' 4
Agave americana subsp. protoamericana 31
Agave americana subsp. protoamericana 'Abbey Gardens' 2
Agave americana 'Striata' 1
Agave applanata 2
Agave asperrima 86
Agave asperrima subsp. potosiensis 1
Agave atrovirens var. mirabilis 4
Agave attenuata 6
Agave attenuata 'Raea's Gold' 1
Agave 'Black Spruce' 2
Agave bovicornuta 3
Agave bracteosa 8
Agave bracteosa 'Monterrey Frost' 4
Agave bracteosa 'Octopussy' 5
Agave bracteosa 'Stingray' 1
Agave celsii 18
Agave chiapensis 1
Agave chrysantha 2
Agave chrysoglossa 2
Agave colorata 5
Agave 'Crazy Horse' 8
Agave dasyliriodes 6
Agave deserti 2
Agave desmettiana 'Variegata' 1
Agave difformis 4
Agave felgeri 3
Agave filifera 1
Agave flexispina 24
Agave franzosini 1
Agave funkiana (Victoria blue form) 1
Agave geminiflora 2
Agave gentryi 'Jaws' 5
Agave gracilipes 1
Agave guiengola 6
Agave gypsophila 1
Agave havardiana 83
Agave hiemiflora 1
Agave inaequidens subsp. inaequidens 2
Agave lechuguilla 14
Agave lophantha 58
Agave lophantha × A. salmiana var. ferox 'Logan Calhoun' 13
Agave lophantha 'La Bufa Baby' 7
Agave lophantha 'Quadricolor' 8
Agave lophantha 'Splendida' 5
Agave lurida 'Marginata' 1
Agave macroacantha 1
Agave macroculmis 3
Agave montana 26
Agave montana 'Baccarat' 3
Agave montana (La Plena form) 1
Agave 'Mr. Ripple' 21
Agave multifilifera 10
Agave murpheyi 4
Agave obscura 1
Agave ocahui 4
Agave ocahui var. longifolia 3
Agave ocahui var. ocahui 3
Agave ovatifolia 97
Agave ovatifolia 'Frosty Blue' 18
Agave ovatifolia 'Killer' 3
Agave pablocarrilloi 'Baby Booties' 1
Agave palmeri 2
Agave palmeri 'Cutty Shark' 2
Agave parryi 9
Agave parryi 'Compacta Variegata' 1
Agave parryi 'Cream Spike' 4
Agave parryi 'J.C. Raulston' 72
Agave parryi 'Lime Streak' 2
Agave parryi subsp. neomexicana 50
Agave parryi subsp. neomexicana 'Sunspot' 3
Agave parryi subsp. parryi 3
Agave parryi subsp. parryi var. huachucensis 50
Agave parryi subsp. parryi var. huachucensis 'Excelsior' 5
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 2
Agave potatorum (hybrid) 14
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' 3
Agave salmiana var. ferox 'Marginata' 1
Agave scabra (Pat McNeal) 5
Agave schidigera 60
Agave schottii 2
Agave sebastiana 2
Agave 'Sharkskin Shoes' 3
Agave shawii 1
Agave shrevei subsp. shrevei 1
Agave 'Silver Surfer' 9
Agave sisalana 2
Agave striata 9
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 victoriae-reginae 37
Agave victoriae-reginae × A. lechuguilla 8
Agave victoriae-reginae × A. scabra 3
Agave victoriae-reginae (PDN 13) 6
Agave victoriae-reginae 'Porcupine' 10
Agave vilmoriniana 2
Agave weberi 'Arizona Star' 1
Agave xylonacantha 3
Ageratina ligustrina 6
Ageratum 3
Ageratum houstonianum 14
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 11
Ajania pacifica 21
Ajuga 7
Ajuga ×bastarda 'Sparkler' 2
Ajuga genevensis 1
Ajuga incisa 'Bikun' 2
Ajuga incisa (variegated) 3
Ajuga pyramidalis 'Metallica Crispa' 2
Ajuga reptans 6
Ajuga reptans f. albiflora 'Alba' 1
Ajuga reptans 'Atropurpurea' 3
Ajuga reptans 'Binblasca' 18
Ajuga reptans 'Burgundy Glow' 2
Ajuga reptans 'Catlin's Giant' 6
Ajuga reptans 'Chocolate Chip' 5
Ajuga reptans 'Dixie Chip' 7
Ajuga reptans 'Golden Glow' 1
Ajuga reptans 'Pink Lightning' 2
Ajuga reptans 'Planet Zork' 3
Ajuga reptans 'Purple Brocade' 1
Ajuga reptans 'Variegata' 1
Akebia 5
Akebia longeracemosa 11
Akebia quinata 20
Akebia quinata 'Alba' 1
Akebia quinata 'Kohin Nishiki' 19
Akebia quinata (silver overlay) 11
Akebia quinata 'Variegata' 7
Akebia trifoliata 1
Akebia trifoliata (gold leaf) 1
Akebia trifoliata (variegated) 8
Alangium chinense 15
Alangium platanifolium 6
Albizia 2
Albizia coreana 31
Albizia julibrissin 15
Albizia julibrissin (ex. 'Ishii Weeping') 2
Albizia julibrissin (ex. 'Summer Chocolate') 5
Albizia julibrissin 'Fine Wine' 1
Albizia julibrissin 'Ishii Weeping' 48
Albizia julibrissin 'Ncaj1' 2
Albizia julibrissin 'Summer Chocolate' 21
Albizia julibrissin (unryu) 1
Albizia julibrissin (white splash, red stem) 2
Albizia julibrissin (white-flowered) 7
Albizia kalkora 19
Albuca aurea (Naude's Nek form) 8
Albuca shawii 18
Albuca spiralis 2
Alcea 3
Alcea rosea 20
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 7
Allamanda cathartica 6
Allium 90
Allium aflatunense 'Purple Sensation' 6
Allium 'Ambassador' 2
Allium ampeloprasum var. ampeloprasum 2
Allium atropurpureum 1
Allium caeruleum 7
Allium canadense var. florosum 'White Flag' 19
Allium canadense var. mobilense 4
Allium carinatum subsp. pulchellum f. album 1
Allium cepa 8
Allium cepa 'Medusa' 3
Allium cernuum 8
Allium christophii 34
Allium christophii × A. atropurpureum 1
Allium crispum 1
Allium cyathophorum var. farreri 2
Allium falcifolium 16
Allium flavum 5
Allium geyeri 6
Allium giganteum 3
Allium giganteum 'White Giant' 2
Allium 'Globemaster' 3
Allium grande 1
Allium 'Hair' 1
Allium jesdianum 'Early Emperor' 3
Allium karataviense 4
Allium kermesinum 1
Allium 'Millennium' 16
Allium moly 2
Allium moly 'Jeannine' 3
Allium narcissiflorum 9
Allium neapolitanum 3
Allium nevskianum 2
Allium oreophilum 1
Allium perdulce 1
Allium 'Pink Feathers' 12
Allium 'Pink Planet' 6
Allium porrum 1
Allium pulchellum 10
Allium 'Rien Poortvliet' 3
Allium rosenbachianum 2
Allium sativum 4
Allium schoenoprasum 5
Allium schubertii 5
Allium senescens 2
Allium senescens 'Blue Eddy' 1
Allium senescens 'Glauca' 4
Allium senescens subsp. montanum 3
Allium speculae 2
Allium sphaerocephalon 11
Allium stellatum 12
Allium 'Sugar Melt' 5
Allium 'Summer Drummer' 2
Allium texanum 4
Allium thunbergii 1
Allium thunbergii 'Ozawa' 2
Allium tricoccum 2
Allium triquetrum 13
Allium tuberosum 29
Allium unifolium 1
Allium victorialis 1
Allium virgunculae var. kiiense 8
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 8
Alocasia (A1VT-057) 1
Alocasia 'Calidora' 2
Alocasia cucullata 2
Alocasia fallax 1
Alocasia gageana 'California' 4
Alocasia 'Hilo Beauty' 5
Alocasia macrorrhizos 7
Alocasia macrorrhizos 'Shock Treatment' 5
Alocasia macrorrhizos 'Variegata' 16
Alocasia odora 2
Alocasia odora 'Okinawa Silver' 4
Alocasia 'Portodora' 14
Alocasia 'Sarian' 2
Alocasia 'Stingray' 1
Alocasia wentii 5
Alocasia wentii 'Vintage Silver' 1
Aloe 23
Aloe arborescens 6
Aloe arborescens 'Variegata' 2
Aloe aristata 8
Aloe barberae 2
Aloe boylei 9
Aloe brevifolia 3
Aloe buhrii 2
Aloe cooperi 35
Aloe dawei 1
Aloe fosteri 4
Aloe gerstneri 1
Aloe glauca 2
Aloe 'Grassy Lassie' 13
Aloe humilis 2
Aloe maculata 27
Aloe 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 3
×Aloinanthus 'Yellow Eye' 4
Aloinopsis spathulata 20
Alopecurus pratensis 'Aureus' 1
Aloysia chamaedryfolia 3
Aloysia citriodora 2
Aloysia virgata 3
Alpinia 4
Alpinia 'Chinese Beauty' 4
Alpinia formosana 'Pinstripe' 1
Alpinia hainanensis 2
Alpinia intermedia 'Sun Spice' 2
Alpinia japonica 6
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 44
Alstroemeria aurea 2
Alstroemeria 'Casablanca' 7
Alstroemeria 'Freedom' 19
Alstroemeria ×hybrida 1
Alstroemeria ×hybrida 'Pas2052' 4
Alstroemeria ×hybrida 'PAS2055' 2
Alstroemeria psittacina 'Variegata' 12
Alstroemeria 'Stapripal' 2
Alstroemeria 'Sweet Laura' 16
Alstroemeria 'Tangerine Tango' 1
Alternanthera 2
Alternanthera 'Atn Br 05' 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
Althaea broussonetiifolia 7
Alyssum 2
Alyssum oxycarpum 6
Alyssum saxatile 1
Alyssum wulfenianum 1
Amanita caesarea 1
Amaranthus 27
Amaranthus caudatus 2
Amaranthus cruentus 'Hot Biscuits' 3
Amaranthus tricolor 8
Amaranthus tricolor 'Aurora' 9
Amaranthus tricolor 'Illumination' 5
×Amarcrinum 4
×Amarcrinum memoria-corsii 5
×Amarcrinum memoria-corsii 'Howardii' 35
×Amarygia parkeri 'Hathor' 2
Amaryllis belladonna 9
Amelanchier 15
Amelanchier alnifolia 5
Amelanchier alnifolia 'Obelisk' 3
Amelanchier alnifolia var. pumila 2
Amelanchier arborea 12
Amelanchier canadensis 1
Amelanchier canadensis 'Glenn Form' 6
Amelanchier ×grandiflora 'Silver Fountain' 18
Amelanchier ×grandiflora (yellow splash) 1
Amelanchier laevis 'Cumulus' 1
Amelanchier obovalis 2
Amelanchier sanguinea 6
Amelanchier stolonifera 2
×Amelasorbus jackii 1
Amicia zygomeris 1
Amitostigma gracile 1
Ammocharis coranica 17
Amorpha canescens 2
Amorpha fruticosa 10
Amorpha nana 3
Amorpha nitens 2
Amorphophallus 13
Amorphophallus albus 4
Amorphophallus atroviridis 1
Amorphophallus atroviridis (A1VT-218) 1
Amorphophallus atroviridis (A1VT-223) 1
Amorphophallus bulbifer 12
Amorphophallus bulbifer (AGA-072) 3
Amorphophallus bulbifer 'Stemulation' 1
Amorphophallus dunnii 3
Amorphophallus dunnii (AGA-270) 1
Amorphophallus henryi 9
Amorphophallus henryi (PDN #2) 3
Amorphophallus kiusianus 18
Amorphophallus konjac 29
Amorphophallus konjac (beige stem) 3
Amorphophallus konjac 'Funky Form' 1
Amorphophallus konjac 'Gordon's Gold' 3
Amorphophallus konjac 'Leo Song' 2
Amorphophallus konjac 'Shattered Glass' 6
Amorphophallus konjac (threadleaf form) 2
Amorphophallus krausei (Kew Form) 3
Amorphophallus paeonifolius 3
Amorphophallus pygmaeus 1
Amorphophallus thaiensis 1
Amorphophallus titanum 86
Amorphophallus yunnanensis 5
Ampelaster carolinianus 35
Ampelopsis arborea 1
Ampelopsis brevipedunculata 1
Amsonia 2
Amsonia 'Blue Ice' 4
Amsonia ciliata 4
Amsonia ciliata var. ciliata 1
Amsonia ciliata var. filifolia 'Georgia Pancake' 11
Amsonia ciliata 'Halfway to Arkansas' 3
Amsonia elliptica 21
Amsonia hubrichtii 62
Amsonia illustris 2
Amsonia jonesii 3
Amsonia peeblesii 6
Amsonia rigida 4
Amsonia tabernaemontana 29
Amsonia tabernaemontana 'Montana' 2
Amsonia tabernaemontana var. salicifolia 4
Amsonia tabernaemontana 'Short Stack' 3
Amsonia tabernaemontana 'Storm Cloud' 3
Amsonia tabernaemontana var. tabernaemontana 5
Anacampseros rufescens 12
Anacyclus pyrethrum var. depressus 3
Anagallis 2
Anagallis monelli subsp. monelli 2
Ananas 9
Ananas bracteatus var. tricolor 2
Ananas comosus 8
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
Andromeda 2
Andromeda polifolia 1
Andromeda polifolia 'Nana' 2
Andropogon 1
Andropogon gerardii 'Lord Snowden's Big Blue' 5
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 26
Anemone blanda 11
Anemone blanda 'Blue Shades' 6
Anemone blanda 'Violet Star' 2
Anemone blanda 'White Splendor' 8
Anemone cordata 3
Anemone coronaria 8
Anemone coronaria 'Admiral' 3
Anemone coronaria 'Hollandia' 2
Anemone coronaria 'Mister Fokker' 3
Anemone coronaria 'Sylphide' 1
Anemone deltoidea 8
Anemone hupehensis 2
Anemone hupehensis var. japonica 20
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' 3
Anemonoides nemorosa 1
Anemopsis californica 5
Anethum graveolens 4
Angelica gigas 12
Angelica grayi 2
Angelica keiskei 2
Angelica pachycarpa 2
Angelica sylvestris 'Purpurea' 4
Angelonia 3
Angelonia angustifolia 'Angel Face Blue' 2
Angelonia angustifolia 1
Angelonia angustifolia 'Cart Laver' 3
Anguloa clowesii 2
Anguloa virginalis 3
Anigozanthos 2
Anigozanthos 'Bush Pearl' 3
Anisacanthus 1
Anisacanthus linearis 3
Anisacanthus quadrifidus var. wrightii 6
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 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 4
Antirrhinum 27
Antirrhinum barrelieri 4
Antirrhinum braun-blanquetii 14
Antirrhinum 'Dulcinea's Heart' 3
Antirrhinum hispanicum 34
Antirrhinum hispanicum 'Roseum' 5
Antirrhinum latifolium 2
Antirrhinum majus 40
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 12
Aquilegia 50
Aquilegia atrata 1
Aquilegia baluchistanica 3
Aquilegia bertolonii 1
Aquilegia buergeriana (dwarf form) 9
Aquilegia caerulea 20
Aquilegia canadensis 20
Aquilegia canadensis 'Corbett' 4
Aquilegia chrysantha 'Denver Gold' 2
Aquilegia coerulea 11
Aquilegia eximia 1
Aquilegia flabellata 2
Aquilegia flabellata f. alba 1
Aquilegia formosa 8
Aquilegia Mckana Group 5
Aquilegia oxysepala var. kansuensis 7
Aquilegia ×puryearana 'Blazing Star' 10
Aquilegia 'Roman Bronze' 3
Aquilegia saximontana 1
Aquilegia vulgaris Vervaeneana Group 4
Aquilegia vulgaris 'Woodside' 1
Arabis 1
Arabis alpina subsp. caucasica 1
Arabis androsacea 2
Arabis cypria 3
Arabis ferdinandi-coburgii 'Variegata' 2
Arabis procurrens 3
Arachis hypogaea 5
Arachniodes davalliaeformis 5
Arachniodes simplicior 14
Arachniodes standishii 6
Araiostegia pseudocystopteris 7
Aralia 13
Aralia cachemirica 2
Aralia californica 4
Aralia cordata 9
Aralia cordata 'Sun King' 15
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 95
Araucaria araucana × A. angustifolia 8
Araucaria bidwillii 6
Araucaria columnaris 6
Araucaria cunninghamii var. papuana 3
Araucaria heterophylla 17
Araucaria hunsteinii 3
Araucaria rulei 5
Araujia sericifera 4
Arbutus 13
Arbutus ×andrachnoides 15
Arbutus canariensis 9
Arbutus 'Marina' 12
Arbutus menziesii 38
Arbutus unedo 12
Arbutus unedo 'Compacta' 18
Arbutus unedo 'Elfin King' 45
Arctostaphylos 9
Arctostaphylos arguta 1
Arctostaphylos ×coloradensis 1
Arctostaphylos ×coloradensis 'Panchito' 4
Arctostaphylos glauca 5
Arctostaphylos ×media 'Wood's Red' 2
Arctostaphylos pungens 5
Arctostaphylos uva-ursi 19
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 5
Ardisia crenata 13
Ardisia crenata 'Beni Kujaku' 10
Ardisia crenata 'Haku Ho' 5
Ardisia crenata 'Kotobuki' 3
Ardisia crenata 'Shiromi Daikokuten' 6
Ardisia crenata (white-fruited) 2
Ardisia crispa 2
Ardisia japonica 13
Ardisia japonica 'Amanogawa' 1
Ardisia japonica 'Andre the Giant' 2
Ardisia japonica 'Chirimen' 12
Ardisia japonica 'Hakuou' 2
Ardisia japonica 'Hinode' 2
Ardisia japonica 'Houkan' 4
Ardisia japonica 'Ito-Fukurin' 2
Ardisia japonica 'Kimigayo' 1
Ardisia japonica 'Maruyama Sunago' 2
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 pleiacantha 2
Argemone polyanthemos 3
Argentina egedii 2
Argyranthemum 8
Argyranthemum frutescens 8
Argyreia nervosa 2
Argyroxiphium kauense 1
Argyroxiphium sandwicense 3
Argyroxiphium sandwicense subsp. macrocephalum 9
Arisaema 47
Arisaema amurense var. amurense 1
Arisaema angustatum var. peninsulae 4
Arisaema candidissimum 9
Arisaema ciliatum 4
Arisaema ciliatum var. liubaence 9
Arisaema concinnum 5
Arisaema consanguineum 12
Arisaema consanguineum (silver center) 1
Arisaema 'Crossing Over' 2
Arisaema dahaiense 3
Arisaema dracontium 3
Arisaema erubescens 6
Arisaema fargesii 10
Arisaema formosanum 6
Arisaema grapsospadix 3
Arisaema griffithii 4
Arisaema heterophyllum 10
Arisaema kiushianum 7
Arisaema nepenthoides 1
Arisaema ringens 47
Arisaema saxatile 5
Arisaema sazensoo 7
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) 7
Arisaema thunbergii 11
Arisaema thunbergii subsp. urashima 14
Arisaema thunbergii subsp. urashima 'Stormy Seas' 3
Arisaema tortuosum 4
Arisaema tosaense 8
Arisaema triphyllum 30
Arisaema triphyllum (black stem selection) 5
Arisaema triphyllum 'Blackjack' 8
Arisaema triphyllum 'Starburst' 2
Arisaema wilsonii 4
Arisarum proboscideum 2
Aristea ecklonii 3
Aristolochia 5
Aristolochia argentina 1
Aristolochia brasiliensis 1
Aristolochia californica 1
Aristolochia clematitis 8
Aristolochia fimbriata 40
Aristolochia gigantea 5
Aristolochia macrophylla 1
Aristolochia manshuriensis 2
Aristolochia quercetorum 2
Aristolochia watsonii 1
Aristolochia zollingeriana 2
Aristotelia serrata 2
Armeria 11
Armeria cinerea 17
Armeria leucocephala 1
Armeria maritima 9
Armeria rouyana 2
Armeria villosa 1
Armeria welwitschii 2
Armoracia rusticana 3
Arnica cordifolia 3
Aronia 7
Aronia arbutifolia 4
Aronia arbutifolia 'Brilliantissima' 6
Aronia melanocarpa 2
Artemisia 40
Artemisia abrotanum 2
Artemisia anomala 2
Artemisia borealis 2
Artemisia dracunculus 1
Artemisia frigida 3
Artemisia lactiflora 1
Artemisia ludoviciana 2
Artemisia ludoviciana 'Silver King' 1
Artemisia ludoviciana 'Valerie Finnis' 2
Artemisia 'Powis Castle' 2
Artemisia schmidtiana 1
Artemisia stellariana 2
Artemisia tridentata 3
Artemisia versicolor 2
Arthropodium cirrhatum 2
Arthropodium cirrhatum 'Parnell' 2
Arthropodium cirrhatum 'White Spire' 2
Artocarpus altilis 4
Artocarpus incisus 4
Arum 2
Arum concinnatum 13
Arum creticum 5
Arum cyrenaicum × A. concinnatum 2
Arum dioscoridis 7
Arum dioscoridis var. dioscoridis 3
Arum italicum (#1) 7
Arum italicum (#2) 4
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 39
Arum italicum subsp. italicum (#026.B black spots) 3
Arum italicum 'Jet Black Wonder' 4
Arum italicum 'Legs' 3
Arum maculatum 1
Arum pictum 11
Aruncus 5
Aruncus aethusifolius 1
Aruncus dioicus 8
Aruncus 'Misty Lace' 3
Arundina graminifolia 6
Arundinaria 1
Arundinaria pygmaea 2
Arundinaria viridistriata 1
Arundo 1
Arundo donax 5
Arundo donax 'Golden Chain' 14
Arundo donax 'Peppermint Stick' 13
Arundo donax 'Variegata' 19
Asarina procumbens 10
Asarum 53
Asarum albomaculatum 3
Asarum arifolium 6
Asarum arifolium 'Brunswick Stew' 3
Asarum asaroides 7
Asarum asperum 6
Asarum campaniflorum 8
Asarum canadense 7
Asarum caudatum 12
Asarum caudigerum 3
Asarum caulescens 1
Asarum crassum 1
Asarum crispulatum 2
Asarum debile 3
Asarum delavayi 12
Asarum europaeum 6
Asarum forbesii 2
Asarum hartwegii 1
Asarum hexalobum 1
Asarum hirsutisepalum 21
Asarum hirsutisepalum 'Sarlacc' 6
Asarum hypogynum 11
Asarum ichangense 2
Asarum kumageanum 9
Asarum lemmonii 2
Asarum lewisii 1
Asarum longirhizomatosum 3
Asarum macranthum 40
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' 7
Asarum megacalyx 6
Asarum megacalyx 'Green Sheen' 3
Asarum minamitanianum 2
Asarum minus 4
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' 1
Asarum splendens 14
Asarum subglobosum 5
Asarum aff. taipingshanianum 5
Asarum taipingshanianum 14
Asarum takaoi 'Roundabout' 5
Asarum takaoi 'Sekkyo' 0
Asarum virginicum 5
Asclepias 7
Asclepias aspernla 2
Asclepias curassavica 2
Asclepias fascicularis 1
Asclepias hallii 2
Asclepias humistrata 5
Asclepias incarnata 11
Asclepias lanceolata 3
Asclepias linearis 1
Asclepias 'Monarch Promise' 2
Asclepias pedicellata 2
Asclepias speciosa 6
Asclepias syriaca 2
Asclepias tuberosa 44
Asclepias tuberosa (orange-red) 13
Asclepias tuberosa subsp. tuberosa 56
Asclepias tuberosa (yellow) 5
Asimina angustifolia 16
Asimina parviflora 1
Asimina triloba 13
Asparagus 3
Asparagus acutifolius 2
Asparagus africanus 4
Asparagus cochinchinensis 6
Asparagus densiflorus 3
Asparagus densiflorus 'Hardy Sprengeri' 12
Asparagus densiflorus Sprengeri Group 6
Asparagus densiflorus [Sprengeri Group] 'Graham's Mini' 2
Asparagus denudatus 14
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 3
Asphodeline liburnica 7
Asphodeline lutea 9
Asphodeline taurica 2
Asphodelus 5
Asphodelus albus 4
Asphodelus cerasiferus 2
Asphodelus fistulosus 4
Aspidistra 6
Aspidistra basalis 'Green Jeans' 2
Aspidistra 'China Moon' 1
Aspidistra crispa 'Gold Lancer' 3
Aspidistra (dwarf streaked) 4
Aspidistra ebianensis 'Flowing Fountains' 2
Aspidistra ebianensis (spotted form) 3
Aspidistra elatior 7
Aspidistra elatior 'Akebono' 7
Aspidistra elatior 'Asahi' 29
Aspidistra elatior var. attenuata 5
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' 10
Aspidistra elatior 'Sekko Kan' 2
Aspidistra elatior 'Snow Cap' 8
Aspidistra elatior 'Spek-tacular' 6
Aspidistra elatior 'Stars and Stripes' 6
Aspidistra elatior 'Taihou' 1
Aspidistra elatior 'To Ryu Mon' 2
Aspidistra elatior 'Variegata' 1
Aspidistra 'Ghost Spots' 3
Aspidistra (large, pale spots) 3
Aspidistra lurida 'Ginga' 5
Aspidistra mushaensis 'Spotty Dotty' 4
Aspidistra oblanceifolia 'Nagoya Stars' 11
Aspidistra omeiensis 'Come Pleated' 2
Aspidistra (pale spots) 4
Aspidistra 'Rawhide' 7
Aspidistra sichuanensis (bright spots) 7
Aspidistra sichuanensis (striped and spotted) 3
Aspidistra (spotted) 2
Aspidistra tonkinensis 'Clouded Leopard' 4
Aspidistra zongbayi (striped and spotted) 5
Aspidotis densa 9
Asplenium 3
Asplenium antiguum 1
Asplenium bulbiferum 2
Asplenium dalhousiae 1
Asplenium lamprophyllum 1
Asplenium lyallii 1
Asplenium nidus 8
Asplenium oblongifolium 2
Asplenium 'Pacific Beauty' 2
Asplenium platyneuron 1
Asplenium scolopendrium 22
Asplenium scolopendrium 'Kaye's Lacerated' 3
Asplenium scolopendrium Marginatum Group 2
Asplenium scolopendrium 'Undulatum' 3
Astelia 1
Astelia banksii 1
Astelia chathamica 4
Astelia graminea 1
Astelia grandis 1
Astelia nervosa 3
Astelia nivicola 'Red Gem' 1
Astelia petriei 1
Astelia 'Red Devil' 1
Astelia trinervia 1
Aster 27
Aster ageratoides 'Ashvi' 7
Aster ageratoides 'Ezo Murasaki' 6
Aster ageratoides var. scaberulus 3
Aster alpinus 1
Aster cordifolius 2
Aster grandiflorus 1
Aster himalaicus 2
Aster laevis 'Calliope' 1
Aster 'Miss Bessie' 1
Aster sikkimmensis 8
Aster tataricus 21
Aster tataricus 'Jindai' 7
Aster turbinellus 7
Asteriscus maritimus 2
Astilbe 40
Astilbe chinensis 2
Astilbe chinensis 'Maggie Daley' 3
Astilbe chinensis 'Pumila' 3
Astilbe chinensis 'Visions' 4
Astilbe 'Deutschland' 2
Astilbe longicarpa 5
Astilbe cf. longicarpa 1
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' 3
Athyrium brevifrons 4
Athyrium filix-femina 6
Athyrium filix-femina 'Cruciato-cristatum' 11
Athyrium filix-femina 'Victoriae' 5
Athyrium 'Ghost' 4
Athyrium 'Godzilla' 3
Athyrium 'Lady In Red' 2
Athyrium niponicum 4
Athyrium niponicum 'Lemon Cream' 4
Athyrium niponicum var. pictum 2
Athyrium niponicum var. pictum 'Burgundy Lace' 2
Athyrium niponicum var. pictum 'Silver Falls' 3
Athyrium niponicum 'Rebel Rouser' 2
Athyrium otophorum 3
Athyrium 'Regal Red' 6
Atriplex 1
Atriplex canescens 5
Atriplex confertifolia 3
Atropa bella-donna 3
Attalea 2
Attalea cohune 4
Aubrieta 5
Aubrieta ×hybrida 3
Aucuba 27
Aucuba chinensis 17
Aucuba aff. chlorascens 3
Aucuba aff. confertiflora 1
Aucuba himalaica 3
Aucuba himalaica var. dolichophylla 3
Aucuba japonica 'Arashiyama' 7
Aucuba japonica 'Big Mamma' 4
Aucuba japonica var. borealis 4
Aucuba japonica var. borealis 'Honshu' 2
Aucuba japonica 'Cecil-Alice' 5
Aucuba japonica 'Cho Dai Ji' 3
Aucuba japonica 'Clent Wortley Hall' 1
Aucuba japonica 'Contorta' 5
Aucuba japonica (contorted variegated) 21
Aucuba japonica (cream-white, contorted) 7
Aucuba japonica 'Crotonifolia' 8
Aucuba japonica 'Daisuke's Tiger' 8
Aucuba japonica 'Eclipse' 4
Aucuba japonica 'February Star' 2
Aucuba japonica 'Fructu Albo' 5
Aucuba japonica 'Fujikawa' 3
Aucuba japonica 'Gold Dust' 1
Aucuba japonica (gold spot flushing) 4
Aucuba japonica 'Golden Girl' 2
Aucuba japonica 'Golden King' 4
Aucuba japonica 'Goldieana' 1
Aucuba japonica 'Goldilocks' 4
Aucuba japonica (Hamilton huge leaf) 1
Aucuba japonica 'Hime Kikufurin' 3
Aucuba japonica 'Hosoba Hoshifu' 5
Aucuba japonica 'Kameba' 3
Aucuba japonica 'Ki Mi' 3
Aucuba japonica 'Koshiji Nishiki' 4
Aucuba japonica 'Lancifolia' 2
Aucuba japonica 'Latiomaculata' 1
Aucuba japonica 'Lemon Flare' 1
Aucuba japonica 'Leucocarpa' 2
Aucuba japonica 'Limbata' 5
Aucuba japonica 'Linda Eggins' 4
Aucuba japonica 'Little Angel' 6
Aucuba japonica f. longifolia 3
Aucuba japonica 'Meigetsu' 9
Aucuba japonica 'Nana Rotundifolia' 1
Aucuba japonica 'Natsu-no-kumo' 13
Aucuba japonica 'Ōba Nakafu' 4
Aucuba japonica (Ozzie Johnson dwarf) 4
Aucuba japonica 'Pacman' 3
Aucuba japonica (Paul James seedling #6) 4
Aucuba japonica 'Peachie' 8
Aucuba japonica 'Petite Jade' 2
Aucuba japonica 'Picturata' 1
Aucuba japonica 'Rozannie' 4
Aucuba japonica 'Shilpot' 6
Aucuba japonica 'Shugetsu' 7
Aucuba japonica 'Speckles' 6
Aucuba japonica 'Subaru' 2
Aucuba japonica 'Sulphurea Marginata' 5
Aucuba japonica 'Suruga Benten' 11
Aucuba japonica 'Tatsumaki' 5
Aucuba japonica (thin white margin) 7
Aucuba japonica (Tyuetso dwarf mottled) 6
Aucuba japonica (USNA #3 - female) 5
Aucuba japonica (USNA #4) 7
Aucuba japonica (USNA #5 - female) 3
Aucuba japonica (yellow stem, gold flush) 1
Aucuba obcordata 5
Aucuba omeiensis 11
Aucuba (sp. 1) 4
Aucuba (sp. 2) 3
Aucuba (sp. 3) 1
Aurinia 8
Aurinia saxatilis 8
Aurinia saxatilis 'Variegata' 1
Austrocactus aff. philippii 2
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 3
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' 8
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 127
Baptisia alba 3
Baptisia alba var. alba 7
Baptisia alba var. alba Pendula Group 20
Baptisia alba × B. australis 6
Baptisia albescens 2
Baptisia arachnifera 11
Baptisia arachnifera × B. simplicifolia 5
Baptisia australis 9
Baptisia australis (cream mottled) 1
Baptisia ×bicolor 'Starlite' 3
Baptisia 'Blueberry Sundae' 15
Baptisia bracteata 1
Baptisia bracteata var. glabrescens 'Butterball' 0
Baptisia 'Brownie Points' 1
Baptisia 'Cherries Jubilee' 10
Baptisia 'Chocolate Chip' 2
Baptisia cinerea 4
Baptisia 'Dutch Chocolate' 5
Baptisia (lavender) 30
Baptisia 'Lemon Meringue' 5
Baptisia megacarpa 5
Baptisia minor var. minor 3
Baptisia nuttalliana 8
Baptisia (pale pink) 25
Baptisia perfoliata 2
Baptisia perfoliata × B. tinctoria 4
Baptisia 'Pink Truffles' 6
Baptisia 'Purple Smoke' 20
Baptisia simplicifolia 11
Baptisia 'Solar Flare' 2
Baptisia 'Sparkling Sapphires' 1
Baptisia sphaerocarpa 24
Baptisia sphaerocarpa 'Screaming Yellow' 14
Baptisia sulphurea 6
Baptisia 'Vanilla Cream' 4
Baptisia ×variicolor 'Twilite' 3
Baptisia viridis 2
Barbarea vulgaris 1
Barleria obtusa 4
Barthea barthei 2
Bauera rubioides 'Ruby Glow' 2
Bauhinia 30
Bauhinia bartlettii 1
Bauhinia blakeana 10
Bauhinia corymbosa 1
Bauhinia faberi 1
Bauhinia galpinii 1
Bauhinia purpurea 2
Bauhinia tomentosa 6
Bauhinia variegata 4
Bauhinia yunnanensis 4
Beaucarnea recurvata 7
Beesia calthifolia 11
Beesia deltophylla 4
Begonia 72
Begonia acutifolia 2
Begonia 'Bepapink' 4
Begonia 'Black Velvet' 1
Begonia boliviensis 11
Begonia boliviensis 'Santa Cruz Sunset' 10
Begonia boliviensis 'Yadev' 2
Begonia boliviensis 'Yamance' 5
Begonia chitoensis 16
Begonia ×chungii (DJHT 99168) 3
Begonia coccinea 'Sinbad' 1
Begonia 'Cotes de Castillon' 4
Begonia cucullata 5
Begonia diadema 1
Begonia (DJHT 99167) 1
Begonia aff. edulis 2
Begonia emeiensis 3
Begonia emeiensis (DJHC 98479) 2
Begonia 'Escargot' 2
Begonia formosana 9
Begonia 'Garden Angel Blush' 4
Begonia 'Gertrude Thompson' 2
Begonia grandis 19
Begonia grandis subsp. evansiana 3
Begonia grandis 'Heron's Pirouette' 1
Begonia grandis subsp. sinensis 2
Begonia 'Gryphon' 1
Begonia henryi 3
Begonia henryi (T116/03) 1
Begonia heracleifolia 2
Begonia heracleifolia var. nigricans 7
Begonia Hiemalis Group 2
Begonia hirtella 2
Begonia 'Kaylen' 13
Begonia luxurians 5
Begonia manicata 'Crispa' 3
Begonia masoniana 1
Begonia 'Metalic Mist' 5
Begonia nelumbifolia 3
Begonia paleata 1
Begonia 'Passing Storm' 2
Begonia pedatifida 3
Begonia pedatifida (red stem form) 1
Begonia 'Pewterware' 1
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 silletensis 2
Begonia 'Silver Splendor' 12
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 ×tuberhybrida 40
Begonia ×tuberhybrida 'Pin Up' 3
Begonia ×tuberhybrida 'Pin Up Flame' 1
Begonia urophylla 3
Begonia 'Withlacoochee' 1
Begonia xanthina 1
Bellevalia paradoxa 4
Bellis perennis 7
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 ×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 19
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 'Tara' 4
Berberis thunbergii 5
Berberis thunbergii var. atropurpurea 13
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' 6
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' 5
Berberis thunbergii 'Aurea Nana' 8
Berberis thunbergii 'Bogozam' 8
Berberis thunbergii 'Daybreak' 2
Berberis thunbergii 'Goruzam' 4
Berberis thunbergii 'Kelleriis' 16
Berberis thunbergii 'Lime Glow' 4
Berberis thunbergii 'Orange Rocket' 1
Berberis thunbergii 'Pow-wow' 1
Berberis thunbergii 'Sparkle' 6
Berberis thunbergii 'Talago' 7
Berberis valdiviana 4
Berberis wilsoniae 7
Berberis wilsoniae 'Ace' 5
Berberis wilsoniae var. stapfiana 3
Berberis ×wisleyensis 6
Berchemia 3
Berchemia floribunda 3
Berchemia japonica 3
Berchemia racemosa 3
Berchemia racemosa 'Variegata' 3
Bergenia 7
Bergenia 'Apple Blossom' 1
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
Berkheya purpurea 3
Berkheya purpurea 'Zulu Warrior' 9
Berlandiera lyrata 5
Berlandiera pumila 12
Berlandiera subacaulis 50
Bertholletia excelsa 2
Berzelia lanuginosa 2
Beschorneria 8
Beschorneria albiflora 5
Beschorneria (B. dekosteriana × B. septentrionalis) × B. septentrionalis 17
Beschorneria septentrionalis 32
Beschorneria septentrionalis 'John Fairey' 2
Beschorneria tubiflora 5
Beschorneria yuccoides 62
Beschorneria yuccoides 'Reality' 1
Bessera elegans 3
Besseya alpina 2
Beta vulgaris 17
Beta vulgaris var. cicla 'Bright Lights' 2
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 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 15
Betula utilis var. jacquemontii 'Grayswood Ghost' 6
Betula utilis var. jacquemontii 'Kashmir White' 8
Biarum tenuifolium 4
Bidens ferulifolia 'Bidy Gonzales' 1
Bidens ferulifolia 'Sunbeam' 0
Bidens pilosa 1
Bigelowia nudata subsp. nudata 1
Bignonia 1
Bignonia capreolata 25
Bignonia capreolata 'Atrosanguinea' 7
Bignonia capreolata 'Jekyll' 38
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 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 2
Bletilla ochracea 6
Bletilla ochracea 'Chinese Butterfly' 1
Bletilla striata 44
Bletilla striata 'Alba' 13
Bletilla striata 'Albostriata' 5
Bletilla striata 'Big Bob' 2
Bletilla striata 'First Kiss' 3
Bletilla striata 'Gotemba Stripes' 6
Bletilla striata 'Ogon' 13
Bletilla striata 'Tri-Lips' 1
Bletilla striata 'Variegata' 1
Bletilla '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 5
Boehmeria sieboldiana 1
Boehmeria tricuspis 3
Boesenbergia longiflora 2
Boltonia 2
Boltonia asteroides 'Snowbank' 1
Bomarea 19
Bomarea multiflora 1
Bombax ceiba 5
Bommeria hispida 1
Borago officinalis 5
Borassus flabellifer 3
Boronia denticulata 1
Boronia heterophylla 4
Borrichia arborescens 3
Botrychium 3
Botrychium virginianum 4
Bougainvillea 22
Bougainvillea arborea 2
Bougainvillea glabra 4
Bougainvillea 'Hawaii' 1
Bouteloua 8
Bouteloua gracilis 4
Bouteloua gracilis 'Blonde Ambition' 12
Bouvardia 1
Bouvardia ternifolia 5
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
Brassia 1
Brassica 19
Brassica juncea 2
Brassica juncea 'Red Giant' 1
Brassica oleracea 86
Brassica oleracea var. acephala 'Nagoya Red' 1
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
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
Brugmansia 16
Brugmansia arborea 2
Brugmansia 'Betty Marshall' 3
Brugmansia 'Charles Grimaldi' 1
Brugmansia 'Inca Sun' 28
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 9
Brunnera macrophylla 'Alexander's Great' 4
Brunnera macrophylla 'Emerald Mist' 3
Brunnera macrophylla 'Hadspen Cream' 1
Brunnera macrophylla 'Jack Frost' 11
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 39
Buddleja alternifolia 3
Buddleja asiatica 4
Buddleja 'Blizzard' 1
Buddleja 'Blue Chip Jr' 4
Buddleja 'Blue Chip' 92
Buddleja 'Boscranz' 13
Buddleja colvilei 8
Buddleja cordata 17
Buddleja crispa 6
Buddleja davidii 14
Buddleja davidii 'Attraction' 3
Buddleja davidii 'Black Knight' 3
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' 6
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 'Ilv Oargus 2' 7
Buddleja japonica 1
Buddleja 'Lilac Chip Jr' 6
Buddleja 'Lilac Chip' 8
Buddleja lindleyana 21
Buddleja 'Lochinch' 4
Buddleja loricata 9
Buddleja marrubiifolia 21
Buddleja 'Miss Molly' 20
Buddleja 'Miss Ruby' 19
Buddleja 'Morning Mist' 35
Buddleja 'Pink Delight' 3
Buddleja 'Pink Micro Chip' 8
Buddleja 'Podaras #13' 5
Buddleja 'Podaras #8' 3
Buddleja 'Purple Haze' 4
Buddleja salviifolia 6
Buddleja 'Summer Frost' 17
Buddleja 'Summer Skies' 2
Buddleja 'Vashon Skies' 1
Buddleja 'Violet Eyes' 8
Buddleja ×weyeriana 'Honeycomb' 3
Buddleja ×weyeriana 'Sungold' 2
Bukiniczia cabulica 8
Bulbine 4
Bulbine abyssinica 13
Bulbine frutescens 1
Bulbine fruticosa (orange compact) 1
Bulbinella hookeri 5
Bulbocodium vernum 6
Bupleurum fruticosum 5
Burbidgea schizocheila 3
Bursera simaruba 1
Butia capitata 31
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' 1
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 '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' 3
Buxus microphylla var. japonica 'Morris Midget' 1
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 sempervirens 43
Buxus sempervirens 'Agram' 2
Buxus sempervirens 'Angustifolia' 3
Buxus sempervirens 'Arctic Emerald' 2
Buxus sempervirens 'Argenteovariegata' 6
Buxus sempervirens 'Aristocrat' 2
Buxus sempervirens 'Aurea Pendula' 2
Buxus sempervirens 'Aureovariegata' 10
Buxus sempervirens 'Belleville' 3
Buxus sempervirens 'Berlin' 3
Buxus sempervirens 'Borderline' 3
Buxus sempervirens 'Bullata' 2
Buxus sempervirens 'Butterwort' 3
Buxus sempervirens 'Decussata' 1
Buxus sempervirens 'Dee Runk' 4
Buxus sempervirens 'Edgar Anderson' 3
Buxus sempervirens 'Elegantissima' 14
Buxus sempervirens 'Fastigiata' 3
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' 7
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 'Unraveled' 15
Buxus sempervirens 'Valentines' 4
Buxus sempervirens 'Vardar Valley' 12
Buxus sempervirens (variegated) 3
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 15
Caesalpinia pulcherrima 6
Caladium 55
Caladium 'Yellow Blossom' 1
Calamagrostis ×acutiflora 'Avalanche' 5
Calamagrostis ×acutiflora 'Karl Foerster' 2
Calamagrostis ×acutiflora 'Overdam' 1
Calamagrostis brachytricha 11
Calamintha 4
Calanthe 10
Calanthe argenteostriata 4
Calanthe discolor 1
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
Calia 1
Calia arizonica 4
Calia secundiflora 13
Calia secundiflora 'Silver Peso' 18
Calibanus hookeri 2
Calibrachoa 5
Calibrachoa 2
Calibrachoa 'Balcabhopi' 1
Calibrachoa 'Cal Britreeda' 2
Calibrachoa 'Cal Scare08' 3
Calibrachoa 'Cal Whit09' 1
Calibrachoa 3
Calibrachoa 2
Calibrachoa 'Uscali411-7' 1
Callerya reticulata 9
Calliandra 5
Calliandra haematocephla 7
Calliandra haematocephla 'Nana' 2
Calliandra tergemina var. emarginata 3
Callicarpa 40
Callicarpa '05-132' 2
Callicarpa (2008 A) 10
Callicarpa (2008 B) 5
Callicarpa (2008 C) 4
Callicarpa (2009) 5
Callicarpa (2010 C) 2
Callicarpa (2011 B) 3
Callicarpa (2011 D) 2
Callicarpa (2011 E) 2
Callicarpa (2011 F) 4
Callicarpa (2011 I) 6
Callicarpa (2011 J) 5
Callicarpa (2011 L) 3
Callicarpa (2011 N) 7
Callicarpa acuminata 57
Callicarpa americana 17
Callicarpa americana 'Berries and Cream' 18
Callicarpa americana var. lactea 6
Callicarpa americana 'Welch's Pink' 46
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' 11
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' 11
Callicarpa kochiana 'Yamaguchi Variegated' 1
Callicarpa kwangtungensis 11
Callicarpa aff. luteopunctata (white fruited) 1
Callicarpa macrophylla 4
Callicarpa 'Nccx2' 1
Callicarpa oshimensis 19
Callicarpa 'Purple Pearls' 12
Callicarpa rubella 1
Callicarpa shikokiana 7
Callicarpa tosaensis 11
Callicarpa 'Virginia' 3
Callirhoe alcaeoides 'Logan Calhoun' 3
Callirhoe bushii 5
Callirhoe digitata 0
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 2
Calluna 46
Calluna vulgaris 24
Calluna vulgaris 'Arina' 2
Calluna vulgaris 'Aurea' 1
Calluna vulgaris 'Dark Star' 2
Calluna vulgaris 'David Eason' 1
Calluna vulgaris 'Gold Haze' 1
Calluna vulgaris 'Golden Carpet' 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' 4
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' 8
Calochortus gunnisonii 21
Calochortus kennedyi 5
Calochortus luteus 'Golden Orb' 10
Calochortus superbus 13
Calochortus tolmiei 8
Calochortus venustus 14
Calopogon tuberosus 20
Calopsis paniculata 3
Calothamnus quadrifidus 4
Calpurnia aurea 2
Caltha leptosepala 24
Caltha palustris 17
Caltha palustris var. orientali-sinensis 1
Calycanthus 'Aphrodite' 10
Calycanthus chinensis 62
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' 6
Calycanthus floridus 'Michael Lindsay' 3
Calycanthus occidentalis 9
Calycanthus ×raulstonii 2
Calycanthus ×raulstonii 'Hartlage Wine' 85
Calycanthus 'Venus' 53
Calydorea coelestina 4
Calylophus 4
Calylophus drummondii (Dodd form) 2
Calylophus hartwegii 2
Calylophus hartwegii var. lavandulaefolius 8
Calylophus serulata 3
Calylophus serulata 'Sun Spots' 1
Calystegia atriplicifolia 9
Calystegia soldanella 4
Camassia 3
Camassia 'Blue Candle' 2
Camassia cusickii 13
Camassia leichtlinii 2
Camassia leichtlinii 'Alba' 12
Camassia leichtlinii 'Semiplena' 9
Camassia quamash 6
Camassia quamash subsp. quamash 5
Camassia scilloides 3
Camellia 128
Camellia 'Anticipation' 1
Camellia 'Ashton's Pink' 5
Camellia azalea 10
Camellia 'Berenice Beauty' 6
Camellia 'Blushing Fountains' 8
Camellia brevistyla 3
Camellia brevistyla × C. sasanqua 'Green 09-003' 3
Camellia 'Carolina Moonmist' 56
Camellia chekiangoleosa 13
Camellia 'Christmas Rose' 5
Camellia 'Cinnamon Cindy' 24
Camellia (CP 13 ER 654) 7
Camellia crapnelliana 10
Camellia crassipes 2
Camellia 'Crimson Candles' 15
Camellia cuspidata 4
Camellia 'Doctor Clifford Parks' 1
Camellia edithae 'Dongnan Shancha' 3
Camellia 'Elaine Lee' 4
Camellia 'Elina Cascade' 2
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 14
Camellia gaudichaudii 6
Camellia granthamiana 1
Camellia grijsii 13
Camellia guachowensis 1
Camellia handelii (dwarf form) 1
Camellia handelii 'Snow Bells' 5
Camellia henryana var. trichocarpa 3
Camellia ×hiemalis 'Autumn Rose' 2
Camellia ×hiemalis 'Autumn Sun' 2
Camellia ×hiemalis 'Bonanza' 3
Camellia ×hiemalis 'Chansonette' 2
Camellia ×hiemalis 'Dazzler' 3
Camellia ×hiemalis 'Green's Blues' 12
Camellia ×hiemalis 'Kanjiro' 1
Camellia ×hiemalis 'Rose of Autumn' 25
Camellia indochinensis var. tunghinensis 1
Camellia irrawadiensis (variegated) 1
Camellia japonica 98
Camellia japonica 'Akashigata' 15
Camellia japonica 'Anacostia' 17
Camellia japonica 'Anemonaeflora' 2
Camellia japonica 'Ann Miller' 1
Camellia japonica 'April Blush' 2
Camellia japonica 'April Tryst' 4
Camellia japonica 'Belle Jeanette' 1
Camellia japonica 'Benten Kagura' 8
Camellia japonica 'Benten Shiratama' 7
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' 11
Camellia japonica 'Dr. J.C. Raulston' 18
Camellia japonica 'Elegans Splendor' 1
Camellia japonica 'Fir Cone Variegated' 5
Camellia japonica 'Firebrand' 1
Camellia japonica (fishtail, white w/ red stripes) 10
Camellia japonica 'Fuiri Benten' 9
Camellia japonica 'Fukurin Wabisuke' 6
Camellia japonica 'General Dwight Eisenhower' 1
Camellia japonica 'Geoff Hamilton' 4
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' 3
Camellia japonica 'Jacks' 13
Camellia japonica 'Junie Lancaster' 2
Camellia japonica 'Kagiri' 2
Camellia japonica 'Kerguelen' 6
Camellia japonica 'Kifukurin Benikarako' 1
Camellia japonica 'King Lear' 1
Camellia japonica 'Kingyoba-tsubaki' 1
Camellia japonica 'Korean Flame' 3
Camellia japonica (Korean germplasm) 16
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 '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' 30
Camellia japonica 'Quercifolia' 17
Camellia japonica 'Reg Ragland' 26
Camellia japonica 'Romany' 1
Camellia japonica 'Roosevelt Blues' 1
Camellia japonica 'Royal Velvet' 4
Camellia japonica var. rusticana 'Ai-no-izumi' 10
Camellia japonica 'Sanpei-tsubaki' 3
Camellia japonica 'Sundae' 1
Camellia japonica 'Ta Fuku Benten' 7
Camellia japonica 'Taiyo' 1
Camellia japonica 'Tam O'Shanter' 1
Camellia japonica 'Tama Americana' 2
Camellia japonica 'Tama Peacock' 16
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' 8
Camellia japonica 'White Mermaid' 7
Camellia japonica 'White Perfection' 40
Camellia japonica 'Yirgella' 8
Camellia japonica 'Yuri-tsubaki' 1
Camellia 'Kokin Gold' 2
Camellia lutchuensis 3
Camellia lutchuensis var. minutiflora 4
Camellia 'Nishikiba Fukurin Ikkyu' 3
Camellia 'Ole' 1
Camellia oleifera 22
Camellia oleifera × C. sasanqua 3
Camellia (oleifera hybrid, weeping) 4
Camellia 'Pink Icicle' 2
Camellia pitardii 3
Camellia polydonta 1
Camellia 'Red Dragon' 1
Camellia reticulata 1
Camellia reticulata 'Pavlova' 2
Camellia rosaeflora 3
Camellia rosaeflora 'Grande' 3
Camellia salicifolia 5
Camellia saluensis 6
Camellia sasanqua 27
Camellia sasanqua 'Alabama Beauty' 3
Camellia sasanqua 'Autumn Delight' 1
Camellia sasanqua 'Autumn Rocket' 1
Camellia sasanqua 'Cleopatra' 3
Camellia sasanqua 'Cotton Candy' 2
Camellia sasanqua 'Fuji-no-yuki' 7
Camellia sasanqua 'Ginba' 4
Camellia sasanqua (gold leaf) 7
Camellia sasanqua 'Golden Phoenix' 10
Camellia sasanqua 'Green 01-006' 12
Camellia sasanqua 'Green 94-035' 17
Camellia sasanqua 'Green 99-031' 4
Camellia sasanqua 'Green02-003' 10
Camellia sasanqua 'Green99-006' 2
Camellia sasanqua 'Hana-Jiman' 2
Camellia sasanqua 'Leslie Ann' 19
Camellia sasanqua 'Maiden's Blush' 1
Camellia sasanqua 'Marie Kirk' 2
Camellia sasanqua 'Northern Lights' 2
Camellia sasanqua 'Pink Snow' 4
Camellia sasanqua 'Rosy Pillar' 3
Camellia sasanqua 'Sarrel' 9
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' 3
Camellia sasanqua 'Yuletide' 7
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' 18
Camellia sinensis 'Unryu' 3
Camellia 'Snow Flurry' 38
Camellia 'Sparkling Burgundy' 3
Camellia 'Spring Mist' 1
Camellia 'Summer Beauty' 4
Camellia 'Superscent' 1
Camellia 'Survivor' 3
Camellia 'Sweet Jane' 3
Camellia taliensis 6
Camellia 'Tiny Princess' 3
Camellia transnokoensis 11
Camellia tsaii 1
Camellia tsaii 'Erina' 5
Camellia ×vernalis 'Egao Corkscrew' 14
Camellia ×vernalis 'Egao Pink Halo' 5
Camellia ×vernalis 'Ginryu' 21
Camellia ×vernalis 'Hiryû' 9
Camellia ×vernalis 'Mieko Tanaka' 3
Camellia ×vernalis 'Shibori Egao' 26
Camellia ×vernalis 'Star Above Star' 1
Camellia ×williamsii 'Donation' 11
Camellia ×williamsii 'E.G. Waterhouse Variegated' 1
Camellia ×williamsii 'Golden Spangles' 37
Camellia ×williamsii 'Lavender Prince II' 1
Camellia ×williamsii 'Mary Christian' 54
Camellia ×williamsii 'Mona Johnston' 2
Camellia ×williamsii 'Night Rider' 2
Camellia ×williamsii 'Taylor's Perfection' 1
Camellia 'Winter's Charm' 9
Camellia 'Winter's Dream' 20
Camellia 'Winter's Star' 10
Camellia 'Winter's Star Light' 9
Camellia 'Winter's Sunset' 5
Camellia 'Wirlinda Bride' 9
Camellia yuhsiensis 4
Camellia 'Yume' 23
Camellia yunnanensis 2
Campanula 49
Campanula alliariifolia 2
Campanula caespitosa 3
Campanula carpatica 3
Campanula dasyantha 1
Campanula fenestrellata 3
Campanula garganica 1
Campanula garganica 'Dickson's Gold' 10
Campanula glomerata 12
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' 8
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 uniflora 4
Campanula zangezura 2
Campsis 8
Campsis grandiflora 19
Campsis grandiflora 'Morning Calm' 9
Campsis radicans 11
Campsis radicans 'Apricot' 2
Campsis radicans (Bahama yellow) 9
Campsis radicans 'Crimson Trumpet' 1
Campsis radicans 'Flava' 7
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 'Madame Galen' 4
Camptosema praeandinum 2
Camptotheca acuminata 11
Campylotropis macrocarpa 8
Cananga odorata 2
Canna 121
Canna 'African Sunset' 23
Canna 'Australia' 19
Canna 'Bengal Tiger' 9
Canna 8
Canna 5
Canna 2
Canna 2
Canna 'Cleopatra' 24
Canna compacta × C. patens 3
Canna compacta subsp. cinnabarina 5
Canna 'Constitution' 13
Canna 'Ermine' 3
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' 10
Canna musifolia 3
Canna 'Omega' 4
Canna 'Orange Punch' 1
Canna 'Pacific Beauty' 8
Canna 'Panache' 2
Canna patens 26
Canna 'Phaison' 16
Canna 'Red Futurity' 1
Canna 'Red Stripe' 2
Canna 3
Canna 'Striata' 8
Canna 'Stuttgart' 4
Canna 'Thai One On' 13
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 'Black Pearl' 11
Capsicum annuum 'Blast' 4
Capsicum annuum 'Calico' 3
Capsicum annuum 'Chilly Chili' 2
Capsicum annuum 'Ember' 2
Capsicum annuum 'Ignite' 5
Capsicum annuum 'Purple Flash' 2
Caragana arborescens 'Nana' 2
Caragana arborescens 'Pendula' 2
Caragana sinica 4
Caragana 'Walkeri' 1
Cardamine 6
Cardamine angustata (A1AL-026) 1
Cardamine concatenata 9
Cardamine cordifolia 3
Cardamine diphylla 26
Cardamine diphylla 'Eco Moonlight' 1
Cardamine dissecta 1
Cardamine dissecta (A1NC-057) 2
Cardamine douglassii 4
Cardamine douglassii 'Southern Lady' 9
Cardiocrinum 5
Cardiocrinum cathayanum 12
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 flacca 4
Carex flacca 'Blue Zinger' 5
Carex flaccosperma 3
Carex flagellifera 4
Carex flagellifera 'Toffee Twist' 2
Carex glauca 2
Carex grayi 1
Carex laxiculmis 'Hobb' 3
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' 2
Carex morrowii 'Variegata' 6
Carex muskingumensis 'Oehme' 3
Carex ochrosaccus 1
Carex oshimensis 1
Carex oshimensis 'Carfit01' 5
Carex oshimensis 'Evergold' 5
Carex oshimensis 'Everillo' 3
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 2
Carex siderosticta 'Banana Boat' 3
Carex siderosticta 'Variegata' 6
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 Nana' 14
Carpinus betulus 'Dervaesii' 8
Carpinus betulus 'Fastigiata' 6
Carpinus betulus 'Frans Fontaine' 15
Carpinus betulus 'Incisa' 5
Carpinus betulus 'Pendula' 11
Carpinus betulus 'Pinoccheo' 6
Carpinus betulus 'Pyramidalis' 1
Carpinus caroliniana 11
Carpinus caroliniana 'Stowe Cascade' 8
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 fargesii 7
Carpinus japonica 29
Carpinus japonica 'Silver Lace' 4
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
Carpobrotus 2
Carpobrotus chilensis 3
Carpobrotus chilensis (white) 1
Carpobrotus edulis 6
Carrierea calycina 3
Carthamus pinnatus 2
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 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' 16
Caryopteris divaricata 'Snow Fairy' 2
Caryopteris incana 1
Caryopteris incana 'Jason' 1
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 11
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 13
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 roseus 25
Cathaya argyrophylla 16
Cattleya 4
Caulophyllum thalictroides 2
Cautleya gracilis 1
Cautleya spicata 9
Ceanothus 24
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' 18
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' 10
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' 5
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' 6
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 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 32
Celosia argentea var. argentea Spicata Group 16
Celosia argentea var. cristata 'Arrabona Red' 1
Celosia argentea var. cristata Cristata Group 3
Celosia argentea var. cristata [Plumosa Group] 'Fresh Look Red' 2
Celosia 'New Look' 1
Celtis 13
Celtis aurantiaca 6
Celtis australis 3
Celtis biondii 2
Celtis bungeana 1
Celtis caucasica 1
Celtis chekiangensis 2
Celtis edulis 5
Celtis julianae 10
Celtis laevigata 4
Celtis occidentalis 1
Celtis occidentalis 'Prairie Pride' 3
Celtis pallida 3
Celtis reticulata 3
Celtis sinensis 2
Celtis sinensis 'Green Cascade' 19
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 4
Cephalanthus occidentalis 'Bailoptics' 10
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 10
Cephalotaxus harringtonia var. drupacea 5
Cephalotaxus harringtonia 'Duke Gardens' 8
Cephalotaxus harringtonia 'Fastigiata' 10
Cephalotaxus harringtonia 'Fritz Huber' 10
Cephalotaxus harringtonia 'Gnome' 4
Cephalotaxus harringtonia 'Gold Dragon' 1
Cephalotaxus harringtonia 'Gold Duke Gardens' 3
Cephalotaxus harringtonia 'H.W. Sargent' 6
Cephalotaxus harringtonia var. koreana 9
Cephalotaxus harringtonia var. koreana 'Korean Gold' 8
Cephalotaxus harringtonia 'Mary Fleming' 4
Cephalotaxus harringtonia var. nana 2
Cephalotaxus harringtonia 'Pedunculata' 6
Cephalotaxus harringtonia 'Prostrata' 16
Cephalotaxus harringtonia 'Watnong' 10
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 7
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' 4
Cercidiphyllum japonicum 'HSI1' 4
Cercidiphyllum japonicum 'Kruckeberg Dwarf' 1
Cercidiphyllum japonicum 'Morioka Weeping' 20
Cercidiphyllum japonicum f. pendulum 14
Cercidiphyllum japonicum 'Rotfuchs' 1
Cercidiphyllum magnificum 4
Cercidium floridum 2
Cercidium microphyllum 3
Cercis 84
Cercis 'Big John' 39
Cercis canadensis 60
Cercis canadensis 'Ace of Hearts' 20
Cercis canadensis f. alba 27
Cercis canadensis 'Alley Cat' 8
Cercis canadensis 'Amethyst Mist' 34
Cercis canadensis 'Appalachian Red' 8
Cercis canadensis 'Cascading Hearts' 6
Cercis canadensis 'Covey' 18
Cercis canadensis 'Crosswicks Red' 8
Cercis canadensis 'Dwarf White' 18
Cercis canadensis 'Flame' 13
Cercis canadensis 'Floating Clouds' 71
Cercis canadensis 'Forest Pansy' 69
Cercis canadensis 'Gold Crown' 18
Cercis canadensis 'Greswan' 9
Cercis canadensis 'Hearts of Gold' 55
Cercis canadensis 'Jn16' 4
Cercis canadensis 'Jn2' 26
Cercis canadensis 'Jn3' 0
Cercis canadensis 'Jn7' 9
Cercis canadensis (large leaf form) 7
Cercis canadensis 'Little Woody' 4
Cercis canadensis 'Mardis Gras' 7
Cercis canadensis var. mexicana 45
Cercis canadensis var. mexicana 'Sanderson' 1
Cercis canadensis 'Nccc1' 5
Cercis canadensis (NCSU upright) 7
Cercis canadensis 'Pauline Lily' 0
Cercis canadensis 'Pink Heartbreaker' 2
Cercis canadensis 'Pink Pom Poms' 3
Cercis canadensis 'Pinkbud' 9
Cercis canadensis 'Royal White' 2
Cercis canadensis 'Ruby Falls' 29
Cercis canadensis 'Silver Cloud' 41
Cercis canadensis 'Tennessee Pink' 55
Cercis canadensis ('Tennessee Pink' variegated) 5
Cercis canadensis var. texensis 6
Cercis canadensis [Texensis Group] 'Merlot' 19
Cercis canadensis var. texensis 'Oklahoma' 12
Cercis canadensis var. texensis 'Texas White' 12
Cercis canadensis var. texensis 'Traveller' 111
Cercis canadensis 'Tom Thumb' 7
Cercis canadensis 'Vanilla Twist' 15
Cercis canadensis (variegated) 1
Cercis canadensis 'Whitewater' 2
Cercis chinensis 33
Cercis aff. chinensis 4
Cercis chinensis f. alba 10
Cercis chinensis 'Avondale' 3
Cercis chinensis (contorted) 9
Cercis chinensis 'Don Egolf' 18
Cercis chinensis (dwarf form) 8
Cercis chinensis 'Gempei' 5
Cercis chinensis 'Kay's Early Hope' 94
Cercis chinensis 'Reznicek' 5
Cercis chinensis 'Shibamichi Red' 12
Cercis chinensis 'Shirobana' 26
Cercis chingii 36
Cercis chuniana 5
Cercis gigantea 2
Cercis gigantea (pale flower) 9
Cercis glabra 23
Cercis aff. glabra 10
Cercis glabra 'Celestial Plum' 20
Cercis griffithii 2
Cercis (hybrid) 11
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
Cercis 'Sparkling Wine' 5
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 'Lemon Peel' 3
Cestrum 'Newellii' 1
Cestrum parqui 17
Cestrum psittacinum 6
Cestrum roseum 2
Chaenactis douglasii 8
Chaenomeles 25
Chaenomeles (Chris's contorted) 8
Chaenomeles 'Dragon's Blood' 6
Chaenomeles japonica 12
Chaenomeles japonica 'Atsuya Hamada' 22
Chaenomeles japonica 'Chojuraku' 9
Chaenomeles japonica 'Hime' 6
Chaenomeles japonica 'Pygmaea' 7
Chaenomeles japonica 'Utamaro' 7
Chaenomeles 'Orange Storm' 31
Chaenomeles 'Pink Storm' 4
Chaenomeles 'Scarff's Red' 17
Chaenomeles 'Scarlet Storm' 13
Chaenomeles speciosa 20
Chaenomeles speciosa 'Contorta' 29
Chaenomeles speciosa 'Kinshiden' 1
Chaenomeles speciosa 'Mt. Fuji' 13
Chaenomeles speciosa 'Old Red' 2
Chaenomeles speciosa 'Orange Delight' 5
Chaenomeles speciosa 'Red Charlet' 3
Chaenomeles speciosa 'Toyo Nishiki' 16
Chaenomeles ×superba 'Cameo' 15
Chaenomeles ×superba 'Crimson and Gold' 1
Chaenomeles ×superba 'Jet Trail' 19
Chaenomeles ×superba 'Mandarin' 21
Chaenomeles ×superba 'Pink Lady' 2
Chaenomeles ×superba 'Texas Scarlet' 8
Chamaebatiaria millefolium 2
Chamaecrista fasciculata 1
Chamaecyparis 39
Chamaecyparis formosensis 18
Chamaecyparis lawsoniana 21
Chamaecyparis lawsoniana 'Aurea' 1
Chamaecyparis lawsoniana 'Aureovariegata' 1
Chamaecyparis lawsoniana 'Golden Showers' 1
Chamaecyparis lawsoniana 'Green Globe' 1
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 obtusa 21
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' 7
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' 6
Chamaecyparis obtusa var. formosana 7
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 'Hage' 1
Chamaecyparis obtusa 'Hibari' 9
Chamaecyparis obtusa 'Intermedia' 2
Chamaecyparis obtusa 'Ivan's Column' 1
Chamaecyparis obtusa 'Juniperoides' 2
Chamaecyparis obtusa 'Just Dandy' 1
Chamaecyparis obtusa 'Kanaamihiba' 1
Chamaecyparis obtusa 'Kojolko hiba' 5
Chamaecyparis obtusa 'Kosteri' 7
Chamaecyparis obtusa 'Lemon Twist' 6
Chamaecyparis obtusa 'Leprechaun' 1
Chamaecyparis obtusa 'Limerick' 1
Chamaecyparis obtusa 'Loenik' 5
Chamaecyparis obtusa 'Lougheed' 3
Chamaecyparis obtusa 'Lynn's Golden' 6
Chamaecyparis obtusa 'Mariesii' 1
Chamaecyparis obtusa 'Maureen' 3
Chamaecyparis obtusa 'Melody' 5
Chamaecyparis obtusa 'Meroke Twin' 2
Chamaecyparis obtusa 'Mhondoro' 1
Chamaecyparis obtusa 'Minuet' 4
Chamaecyparis obtusa 'Nana' 4
Chamaecyparis obtusa 'Nana Aurea' 7
Chamaecyparis obtusa 'Nana Gracilis' 11
Chamaecyparis obtusa 'Nana Lutea' 7
Chamaecyparis obtusa 'Oregon Crested' 6
Chamaecyparis obtusa 'Pygmaea' 1
Chamaecyparis obtusa 'Pygmaea Aurescens' 1
Chamaecyparis obtusa 'Repens' 7
Chamaecyparis obtusa 'Saffron Spray' 2
Chamaecyparis obtusa 'Special Variegated' 6
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 pisifera 22
Chamaecyparis pisifera 'Baby Blue' 3
Chamaecyparis pisifera 'Boulevard' 9
Chamaecyparis pisifera 'Cannon Ball' 2
Chamaecyparis pisifera 'Clouded Sky' 6
Chamaecyparis pisifera 'Cream Ball' 5
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' 3
Chamaecyparis pisifera 'Gekko' 2
Chamaecyparis pisifera 'Golddust' 5
Chamaecyparis pisifera 'Golden Pincushion' 1
Chamaecyparis pisifera 'Juniperoides' 3
Chamaecyparis pisifera 'Lemon Thread' 3
Chamaecyparis pisifera 'Manger's Sunshine' 3
Chamaecyparis pisifera 'Minima' 1
Chamaecyparis pisifera 'Plumosa Aurea Compacta' 1
Chamaecyparis pisifera 'Plumosa Aurea Nana' 4
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 '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' 5
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' 3
Chamaecyparis thyoides 'Rubicon' 16
Chamaecyparis thyoides 'Tom's Blue' 8
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 'Vulcano' 3
Chamerion angustifolium 5
Chamerion angustifolium 'Album' 2
Chasmanthium latifolium 2
Chasmanthium latifolium 'River Mist' 1
Chasmatophyllum musculinum 6
Cheilanthes 9
Cheilanthes argentea 6
Cheilanthes aff. covillei 3
Cheilanthes eckloniana 11
Cheilanthes lanosa 3
Cheilanthes viridis 1
Cheilanthes yavapensis 2
Chelidonium majus 3
Chelone glabra 6
Chelone lyonii 9
Chelone lyonii 'Hot Lips' 7
Chelone obliqua 2
Chelonopsis moschata 7
Chelonopsis yagiharana 12
Chiastophyllum oppositifolium 3
Chilopsis 2
Chilopsis linearis 17
Chilopsis linearis 'Angel White' 19
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 45
Chimonanthus praecox 'Luteus' 36
Chimonanthus zhejiangensis 14
Chiococca alba 4
Chionanthus 1
Chionanthus pygmaeus 7
Chionanthus retusus 66
Chionanthus retusus 'Ivory Tower' 6
Chionanthus retusus (Norfolk weeping) 6
Chionanthus retusus 'Tokyo Tower' 3
Chionanthus retusus 'Yadkin Creeper' 3
Chionanthus virginicus 66
Chionanthus virginicus 'Emerald Knight' 4
Chionanthus virginicus 'White Knight' 4
Chionochloa pallens 1
Chionochloa rigida 1
Chionochloa spiralis 1
Chionodoxa forbesii 14
Chionodoxa forbesii 'Pink Giant' 26
Chionodoxa luciliae 11
Chionodoxa sardensis 19
Chionographis japonica 4
Chionophila jamesii 5
×Chitalpa tashkentensis 9
×Chitalpa tashkentensis 'Morning Cloud' 9
×Chitalpa tashkentensis 'Pink Dawn' 3
Chlidanthus fragrans 3
Chloranthus 3
Chloranthus erectus 3
Chloranthus fortunei 5
Chloranthus fortunei 'Domino' 2
Chloranthus japonicus 16
Chloranthus multistachys 3
Chloranthus oldhamii 1
Chloranthus serratus 6
Chloranthus sessilifolius var. austrosinensis 8
Chloranthus sessilifolius 'Get Shorty' 4
Chloranthus spicatus 1
Chlorophytum 1
Chlorophytum cf. bowkeri 5
Chlorophytum comosum 1
Chlorophytum krookianum 3
Chlorophytum majus 2
Chlorophytum saundersiae 3
Choerospondias axillaris 1
Choisya arizonica 1
Choisya ×dewitteana 'Aztec Pearl' 24
Choisya 'Goldfinger' 2
Choisya ternata 7
Choisya ternata 'Sundance' 17
Chordospartium stevensonii 6
Chorisia speciosa 4
Chrysactinia mexicana 38
Chrysanthemoides incana 2
Chrysanthemopsis hosemariensis 1
Chrysanthemum 297
Chrysanthemum (15-501 yellow) 15
Chrysanthemum 'Brandywine Sunset' 7
Chrysanthemum 'Country Girl' 7
Chrysanthemum (Elizabeth Lawrence pink) 6
Chrysanthemum 'Gethsemane Moonlight' 7
Chrysanthemum 'Golden Lida Thomas' 7
Chrysanthemum ×grandiflorum 246
Chrysanthemum 'Miss Gloria's Thanksgiving Day' 13
Chrysanthemum 'Sheffield Pink' 3
Chrysanthemum 'Venus' 4
Chrysanthemum 'Virginia's Sunshine' 5
Chrysanthemum weyrichii 1
Chrysocephalum apiculatum 'Flochrora' 1
Chrysogonum virginianum 30
Chrysogonum virginianum 'Allen Bush' 5
Chrysogonum virginianum 'Eco Lacquered Spider' 2
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 neomexicanum 1
Cirsium scariosum 1
Cirsium scopulorum 5
Cissus 1
Cissus antarctica 3
Cissus discolor 5
Cissus trifoliata 6
Cistus 11
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' 16
Cistus 'Mickie' 25
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 15
Citrus 38
Citrus ×aurantium 2
Citrus cavaleriei 14
Citrus ichangensis × C. grandis 3
Citrus japonica 5
Citrus latipes 1
Citrus reticulata 4
Citrus reticulata 'Changsa' 1
Citrus ×sinensis 7
Cladrastis 1
Cladrastis kentukea 26
Cladrastis kentukea 'Perkins Pink' 23
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 104
Clematis addisonii 17
Clematis afoliata 3
Clematis akebioides 1
Clematis 'Alionushka' 1
Clematis alpina 1
Clematis 'Arabella' 2
Clematis armandii 17
Clematis armandii 'Snowdrift' 4
Clematis 'Betty Corning' 29
Clematis 'Bill MacKenzie' 4
Clematis 'Capitaine Thuilleaux' 0
Clematis ×cartmanii 'Sweet Hart' 1
Clematis 'Chalcedony' 1
Clematis cirrhosa 8
Clematis cirrhosa var. purpurascens 'Freckles' 9
Clematis 'Cleminov29' 4
Clematis 'Cleminov51' 2
Clematis crassifolia 3
Clematis crispa 2
Clematis 'Daihelios' 2
Clematis ×durandii 5
Clematis (evergreen) 3
Clematis 'Fairy' 2
Clematis 'Fireworks' 10
Clematis flabellata 3
Clematis florida 'Sieboldii' 1
Clematis forsteri 6
Clematis fremontii 39
Clematis henryi 5
Clematis heracleifolia 2
Clematis heracleifolia var. davidiana 3
Clematis hirsutissima 35
Clematis integrifolia 16
Clematis integrifolia 'Alba' 9
Clematis integrifolia 'Pangbourne Pink' 2
Clematis integrifolia 'Rose Colored Glasses' 4
Clematis 'Jackmanii' 1
Clematis japonica 2
Clematis japonica 'Golden Necklace' 3
Clematis ligusticifolia 3
Clematis macropetala 2
Clematis montana 2
Clematis montana 'Rubens' 10
Clematis 'Niobe' 1
Clematis occidentalis var. grosseserrata 2
Clematis ochroleuca 21
Clematis orientalis 'Bill MacKenzie' 3
Clematis 'Pagoda' 4
Clematis paniculata 5
Clematis patens 1
Clematis pauciflora 2
Clematis pitcheri 2
Clematis 'Princess Diana' 6
Clematis recta 2
Clematis recta 'Purpurea' 1
Clematis reticulata 1
Clematis reticulata × C. texensis 15
Clematis 'Rüütel' 3
Clematis 'Scented Clem' 3
Clematis 'Stand by Me' 3
Clematis stans 5
Clematis tangutica 5
Clematis terniflora 5
Clematis texensis 9
Clematis versicolor 4
Clematis villosa 7
Clematis viorna 1
Clematis [Viticella Group] 'Étoile Violet' 3
Clematis 'Wada's Primrose' 2
Cleome 26
Cleome hassleriana 7
Cleome serrulata 1
Clerodendrum 3
Clerodendrum bungei 7
Clerodendrum chinense 'Pleniflorum' 2
Clerodendrum cyrtophyllum 6
Clerodendrum indicum 3
Clerodendrum myricoides 'Ugandense' 1
Clerodendrum paniculatum 4
Clerodendrum paniculatum 'Starshine' 5
Clerodendrum speciosissimum 9
Clerodendrum splendens 2
Clerodendrum thomsoniae 5
Clerodendrum thomsoniae 'Variegata' 3
Clerodendrum trichotomum 9
Clerodendrum trichotomum 'Carnival' 3
Clerodendrum trichotomum var. fargesii 9
Clerodendrum trichotomum 'Skylands Form' 2
Clerodendrum trichotomum 'Variegata' 1
Clerodendrum wallichii 3
Clethra 18
Clethra alnifolia 12
Clethra alnifolia 'Caleb' 2
Clethra alnifolia 'Creel's Calico' 2
Clethra alnifolia 'Hokie Pink' 6
Clethra alnifolia 'Hummingbird' 4
Clethra alnifolia 'Pink Spires' 1
Clethra alnifolia 'Rosea' 1
Clethra alnifolia 'Ruby Spice' 17
Clethra alnifolia 'Sherry Sue' 11
Clethra alnifolia 'Sixteen Candles' 4
Clethra alnifolia 'Sotite' 1
Clethra barbinervis 13
Clethra barbinervis 'Takeda Nishiki' 5
Clethra delavayi 2
Clethra faberi 1
Clethra fargesii 4
Clethra mexicana 5
Clethra monostachya 2
Clethra poilanei 2
Clethra pringlei 8
Clethra tomentosa 2
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' 2
Cleyera japonica 'Hosoba Fukurin' 6
Cleyera japonica 'Tokyo Sunrise' 3
Cleyera japonica 'Variegata' 5
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' 4
Clinopodium arkansanum 2
Clinopodium ashei (Tattnall Co., GA) 2
Clinopodium coccineum 16
Clinopodium coccineum 'Ohoopee Yellow' 14
Clinopodium georgianum 5
Clinopodium grandiflorum 3
Clinopodium laxiflorum 1
Clinopodium nepeta 3
Clinopodium nepeta subsp. glandulosum 'White Cloud' 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 11
Coccothrinax 1
Coccothrinax argentata 3
Cocos nucifera 67
Codiaeum 9
Codonopsis 3
Codonopsis ussuriensis 1
Coffea arabica 13
Colchicum 39
Colchicum autumnale 16
Colchicum speciosum 'Atrorubens' 1
Colchicum tenorei 6
Colchicum troodii 1
Colchicum 'Violet Queen' 1
Colchicum 'Waterlily' 5
Colletia armata 2
Colletia hystrix 2
Colletia paradoxa 13
Collinsia grandiflora 7
Collinsonia verticillata 3
Collomia linearis 2
Colocasia 11
Colocasia antiquorum 'Illustris' 14
Colocasia 'Diamond Head' 2
Colocasia 'Elena' 2
Colocasia esculenta 22
Colocasia esculenta 'Aloha' 4
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' 2
Colocasia esculenta 'Pink China' 2
Colocasia esculenta 'Rhubarb' 3
Colocasia esculenta 'White Lava' 2
Colocasia fallax 3
Colocasia gigantea 6
Colocasia gigantea 'Laosy Giant' 12
Colocasia gigantea (Thailand giant form) 56
Colocasia 'Kona Coffee' 1
Colocasia 'Madeira' 6
Colocasia 'Noble Gigante' 3
Colocasia 'White Lava' 7
Cologania angustifolia 2
Columnea 2
Columnea minor 2
Colutea arborescens 3
Colutea ×media 2
Colutea persica 2
Comanthosphace japonica 'Golden Angel' 1
Commelina 1
Comptonia peregrina 2
Conandron ramondioides 2
Conanthera campanulata 4
Coniogramme 3
Coniogramme emeiensis (marbled leaves) 2
Coniogramme gracilis 4
Coniogramme intermedia 'Rasha' 4
Coniogramme intermedia 'Shishi' 10
Coniogramme intermedia 'Yoroi Musha' 5
Coniogramme japonica 3
Coniogramme japonica 'Variegata' 1
Conocarpus erectus 2
Conocarpus erectus var. sericeus 6
Conopholis americana 6
Conradina (ALI-65 South) 5
Conradina canescens 8
Conradina etonia 6
Conradina verticillata 1
Consolida ajacis 19
Convallaria 7
Convallaria majalis 19
Convallaria majalis 'Flore Pleno' 3
Convallaria majalis 'Golden Jubilee' 1
Convallaria majalis var. rosea 1
Convallaria majalis 'Striata' 1
Convolvulus 6
Convolvulus althaeoides 10
Convolvulus assyricus 1
Convolvulus cneorum 4
Convolvulus mauritanicus 36
Convolvulus mauritanicus (white mutation) 8
Convolvulus sabatius 2
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 fruticosa 'Firebrand' 1
Cordyline indivisa 8
Cordyline obtecta 1
Cordyline 'Red Fountain' 1
Cordyline terminalis 6
Cordyline terminalis 'Variegata' 1
Coreopsis 15
Coreopsis auriculata 3
Coreopsis auriculata 'Nana' 1
Coreopsis auriculata 'Zamphir' 2
Coreopsis 'Autumn Blush' 2
Coreopsis 'Cherry Pie' 2
Coreopsis 'Citrine' 2
Coreopsis 'Creme Brulee' 6
Coreopsis gigantea 8
Coreopsis gladiata 3
Coreopsis grandiflora 1
Coreopsis 'Heaven's Gate' 3
Coreopsis helianthoides 4
Coreopsis integrifolia 8
Coreopsis 'Limerock Ruby' 3
Coreopsis 'Pineapple Pie' 2
Coreopsis 'Pinwheel' 2
Coreopsis rosea 2
Coreopsis rosea 'Alba' 4
Coreopsis 'Ruby Frost' 2
Coreopsis 'Rum Punch' 5
Coreopsis 'Sunshine Suzy' 1
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 81
Cornus alba 'Bailhalo' 2
Cornus alba 'Cream Cracker' 3
Cornus alba 'Elegantissima' 4
Cornus alba 'Garden Glow' 2
Cornus alba 'Minbat' 4
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' 11
Cornus alternifolia 'Bachone' 3
Cornus alternifolia 'Illusion' 1
Cornus alternifolia 'Silver Giant' 3
Cornus alternifolia 'Variegata' 4
Cornus alternifolia 'W. Stackman' 3
Cornus alternifolia 'Winter Surprise' 5
Cornus alternifolia 'Yellow Spring' 3
Cornus amomum 'Cayenne' 5
Cornus amomum subsp. obliqua 10
Cornus australis 12
Cornus canadensis 15
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' 41
Cornus elliptica 'First Choice' 21
Cornus elliptica 'Full Moon' 3
Cornus florida 154
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' 38
Cornus florida 'Unryu' 2
Cornus florida subsp. urbiniana 76
Cornus florida 'Welchii' 3
Cornus florida 'Xanthocarpa' 1
Cornus foemina 6
Cornus 'Gloria Birkett' 2
Cornus hongkongensis 6
Cornus hongkongensis 'Gekkou' 21
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' 6
Cornus 'Kn4-43' 2
Cornus kousa 95
Cornus kousa 'Akatsuki' 4
Cornus kousa 'Blue Shadow' 9
Cornus kousa × C. nuttallii 'KN4-43' 3
Cornus kousa var. chinensis 'Propzam' 8
Cornus kousa var. chinensis 'Samzam' 5
Cornus kousa 'Elizabeth Lustgarten' 5
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' 23
Cornus kousa 'Madison' 6
Cornus kousa 'Medusa' 4
Cornus kousa 'Milky Way' 1
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 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' 10
Cornus mas 'Ukraine Yellow' 3
Cornus mas 'Variegata' 15
Cornus mas 'Vidubetskii' 5
Cornus mas (yellow-fruited) 4
Cornus 'Michael Steinhardt' 3
Cornus 'Ncch1' 5
Cornus 'Norman Hadden' 4
Cornus nuttallii 6
Cornus officinalis 39
Cornus officinalis 'Kintoki' 33
Cornus officinalis 'Spring Glow' 93
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' 42
Cornus (Rutdan variegated) 2
Cornus 'Rutgan' 4
Cornus 'Rutlan' 4
Cornus sanguinea 1
Cornus sanguinea 'Anny's Winter Orange' 4
Cornus sanguinea 'Midwinter Fire' 89
Cornus sanguinea 'Winter Beauty' 4
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 30
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 10
Cortaderia selloana 'Aureolineata' 4
Cortaderia selloana 'Blue Bayou' 24
Cortaderia selloana 'Gold Band' 1
Cortaderia selloana 'Sunningdale Silver' 23
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 ochroleuca 3
Corydalis solida 1
Corydalis solida 'Beth Evans' 12
Corydalis solida 'George P. Baker' 9
Corydalis solida 'Purple Bird' 8
Corylopsis 19
Corylopsis glabrescens 7
Corylopsis glabrescens var. gotoana 29
Corylopsis glabrescens var. gotoana 'March Jewel' 11
Corylopsis glandulifera 13
Corylopsis pauciflora 20
Corylopsis sinensis 10
Corylopsis sinensis var. calvescens f. veitchiana 48
Corylopsis spicata 45
Corylopsis spicata 'Golden Spring' 11
Corylopsis spicata 'Ogon' 1
Corylopsis spicata 'Tosa Kasumi' 1
Corylopsis willmottiae 4
Corylus 3
Corylus americana 8
Corylus avellana 'Aurea' 6
Corylus avellana 'Contorta' 61
Corylus avellana 'Fuscorubra' 1
Corylus avellana 'Heterophylla' 7
Corylus avellana 'Pendula' 1
Corylus avellana 'Red Majestic' 8
Corylus chinensis 6
Corylus colurna 4
Corylus fargesii 3
Corylus heterophylla var. sutchuenensis 2
Corylus maxima 3
Corylus maxima 'Purpurea' 5
Corylus maxima 'Rote Zeller' 3
Corynocarpus laevigatus 'Moonlight' 2
Corynocarpus laevigatus 'Picturata' 3
Corynocarpus laevigatus 'Variegatus' 2
Corypha umbraculifera 3
Coryphantha echinus 2
Coryphantha sulcata 10
Cosmos 16
Cosmos atrosanguineus 6
Cosmos bipinnatus 13
Cosmos parviflorus 1
Cosmos sulphureus 73
Costus 7
Costus barbatus 1
Costus pictus 11
Costus speciosus 7
Costus stenophyllus 1
Cotinus 15
Cotinus coggygria 18
Cotinus coggygria 'Ancot' 34
Cotinus coggygria 'Black Velvet' 11
Cotinus coggygria 'Daydream' 3
Cotinus coggygria 'Little Ruby' 3
Cotinus coggygria 'Old Fashioned' 5
Cotinus coggygria 'Royal Purple' 8
Cotinus coggygria 'White Marvel' 1
Cotinus coggygria (white splashed) 1
Cotinus coggygria 'Young Lady' 13
Cotinus 'Grace' 15
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 2
Crassula 1
Crassula corallina 3
Crassula ovata 6
Crassula peploides 4
Crataegus 8
Crataegus columbiana 5
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 12
Crataegus spathulata 2
Crataegus viridis 'Winter King' 3
Cremastra appendiculata 16
Crepis 2
Crepis acuminata 4
Crepis rubra 5
Crinodendron hookerianum 13
Crinodendron hookerianum 'Ada Hoffmann' 0
Crinodendron patagua 5
Crinum 78
Crinum 'Alamo Village' 14
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 'Bradley' 9
Crinum bulbispermum 26
Crinum bulbispermum 'Jumbo' 2
Crinum buphanoides (PDN#64) 1
Crinum 'Burgundy' 3
Crinum 'Carnival' 9
Crinum 'Carolina Beauty' 13
Crinum 'Cecil Houdyshel' 13
Crinum 'Claude Davis' 5
Crinum ×digweedii 11
Crinum ×digweedii 'Mahon' 13
Crinum (dwarf) 7
Crinum ×eboracii 'Twelve Apostles' 10
Crinum 'Elizabeth Traub' 6
Crinum 'Ellen Bosanquet' 7
Crinum 'Fiesta' 8
Crinum firmifolium 3
Crinum ×herbertii 'Carol Abbott' 8
Crinum ×herbertii 'Paul Bunyon' 2
Crinum ×herbertii (pink keal) 8
Crinum ×herbertii (red keel) 6
Crinum ×herbertii 'Schreck' 12
Crinum hildebrandtii (PDN #2 Madagascar) 7
Crinum 'Improved Peach Blow' 5
Crinum 'Infusion' 4
Crinum jagus 4
Crinum 'Jubilee' 10
Crinum 'Kitty Clint' 7
Crinum 'Kridler Clone' 4
Crinum macowanii 1
Crinum 'Maiden's Blush' 6
Crinum 'Menehune' 2
Crinum moorei (pink hybrid) 4
Crinum 'Mrs. James Hendry' 4
Crinum 'Mystery' 10
Crinum 'Peachblow' 13
Crinum 'Pink Flamingo' 6
Crinum 'Pink Trumpet' 3
Crinum ×powellii 16
Crinum 'Sangria' 25
Crinum 'Summer Glow' 7
Crinum 'Summer Nocturne' 9
Crinum 'Sundance' 1
Crinum 'Super Ellen' 5
Crinum 'White Queen' 13
Crinum zeylanicum 1
Crocosmia 19
Crocosmia ×crocosmiiflora 'Emily McKenzie' 3
Crocosmia ×crocosmiiflora 'George Davidson' 10
Crocosmia ×crocosmiiflora 'Venus' 1
Crocosmia 'Emberglow' 1
Crocosmia 'Jenny Bloom' 6
Crocosmia 'Lucifer' 5
Crocosmia 'Solfaterre' 4
Crocosmia 5
Crocosmia 'Walbreyes' 3
Crocus 61
Crocus ancyrensis 'Golden Bunch' 19
Crocus angustifolius 6
Crocus biflorus 'Miss Vain' 15
Crocus cancellatus 2
Crocus cartwrightianus 'Albus' 7
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 etruscus 'Zwanenburg' 29
Crocus flavus 1
Crocus flavus 'Golden Yellow' 10
Crocus goulimyi 2
Crocus imperati 'De Jager' 36
Crocus isauricus 'Spring Beauty' 13
Crocus minimus 9
Crocus ochroleucus 9
Crocus olivieri subsp. balansae 'Zwanenburg' 9
Crocus pulchellus 'Zephir' 2
Crocus sativus 8
Crocus sieberi subsp. atticus 16
Crocus sieberi 'Firefly' 9
Crocus sieberi subsp. sublimis 'Tricolor' 10
Crocus speciosus 13
Crocus speciosus 'Artabia' 1
Crocus tommasinianus 2
Crocus tommasinianus 'Albus' 4
Crocus tommasinianus 'Barr's Purple' 12
Crocus tommasinianus 'Lilac Beauty' 6
Crocus tommasinianus 'Pictus' 2
Crocus tommasinianus 'Roseus' 12
Crocus tommasinianus 'Ruby Giant' 20
Crocus tommasinianus 'Whitewell Purple' 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' 2
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 67
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' 4
Cryptomeria japonica 'Compressa' 8
Cryptomeria japonica 'Cristata' 7
Cryptomeria japonica 'Dacrydioides' 7
Cryptomeria japonica 'Ed Woods' 3
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' 12
Cryptomeria japonica var. radicans 3
Cryptomeria japonica 'Rasen' 8
Cryptomeria japonica 'Rein's Dense Jade' 7
Cryptomeria japonica 'Ryokogu Coyokyu' 1
Cryptomeria japonica 'Sekkan' 30
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 'Winter Green' 4
Cryptomeria japonica 'Winter Mint' 6
Cryptomeria japonica 'Yellow Twig' 4
Cryptomeria japonica 'Yoshino' 15
Cryptotaenia japonica f. atropurpurea 1
Ctenitis subglandulosa (BJH 1535) 1
Cucumis 4
Cucumis melo 7
Cucumis sativus 17
Cucurbita 3
Cucurbita foetidissima 5
Cucurbita pepo 36
Cunila origanoides 8
Cunninghamia 1
Cunninghamia lanceolata 17
Cunninghamia lanceolata 'Chason's Gift' 24
Cunninghamia lanceolata 'Compacta' 4
Cunninghamia lanceolata 'Glauca' 7
Cunninghamia lanceolata var. konishii 9
Cunninghamia lanceolata var. konishii (ABG blue) 4
Cunninghamia lanceolata var. konishii 'Little Leo' 1
Cunninghamia lanceolata 'Samurai' 4
Cunninghamia lanceolata 'Tom Dodd's Dwarf' 1
Cunninghamia unicanaliculata 3
Cuphea 12
Cuphea cyanea 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 15
Cupressus arizonica 7
Cupressus arizonica 'Blue Ice' 8
Cupressus arizonica 'Carolina Sapphire' 12
Cupressus arizonica 'Golden Pyramid' 6
Cupressus arizonica 'Limelight' 24
Cupressus arizonica 'Pyramidalis' 1
Cupressus arizonica 'Raywood Weeping' 3
Cupressus arizonica 'Sapphire Skies' 5
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 17
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' 9
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 5
×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' 10
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
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 circinalis 4
Cycas micronesica 3
Cycas panzhihuaensis 6
Cycas revoluta 35
Cycas segmentifida 1
Cycas taitungensis 3
Cyclamen 57
Cyclamen africanum 7
Cyclamen cilicium 9
Cyclamen coum 79
Cyclamen coum 'Maurice Dryden' 3
Cyclamen coum 'Something Magic' 2
Cyclamen graecum 18
Cyclamen hederifolium 65
Cyclamen hederifolium Album Group 2
Cyclamen hederifolium Album Group (silver leaf) 2
Cyclamen hederifolium Ashwood Nurseries Silver Leaf Group 47
Cyclamen hederifolium var. hederifolium f. albiflorum 10
Cyclamen hederifolium (pewter arrowhead form) 4
Cyclamen hederifolium 'Silver Arrow' 3
Cyclamen persicum 20
Cyclamen persicum var. persicum f. puniceum 1
Cyclamen pseudibericum 2
Cyclamen pseudibericum f. roseum 1
Cyclamen purpurascens 24
Cyclamen purpurascens (Fatra form) 5
Cyclamen repandum 2
Cyclamen ×whiteae 2
Cyclocarya paliurus 1
Cydonia oblonga 11
Cylindropuntia 9
Cylindropuntia davisii 3
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 18
Cymbalaria muralis 6
Cymbidium 15
Cymbidium goeringii 6
Cymbidium goeringii (A1K-264) 2
Cymbidium sinense 12
Cymbopogon citratus 1
Cymophyllus fraserianus 3
Cynanchum 1
Cynanchum ascyrifolium 7
Cynanchum chekiangense 5
Cynara 1
Cynara cardunculus 20
Cynara cardunculus 'Porto Spineless' 1
Cynara cardunculus Scolymus Group 14
Cynara cardunculus [Scolymus Group] 'Green Globe' 54
Cynara humilis 2
Cynara scolymus 11
Cynoglossum amabile 4
Cynoglossum officinale 1
Cypella herbertii 6
Cypella osteniana 2
Cyperus 6
Cyperus albostriatus 'Nanus' 7
Cyperus albostriatus 'Variegatus' 2
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 '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 5
Cyrtomium caryotideum 2
Cyrtomium falcatum 4
Cyrtomium falcatum 'Butterfieldii' 3
Cyrtomium falcatum 'Shishi' 2
Cyrtomium cf. fortunei 2
Cyrtomium fortunei 'Ulleung Island' 2
Cyrtomium urophyllum 1
Cyrtosperma merkusii 2
Cyrtostachys renda 9
Cystopteris fragilis 8
Cytisus 15
Cytisus battandieri 12
Cytisus 'Moonlight' 5
Cytisus nigricans 1
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 320
Dahlia 'Bell Boy' 1
Dahlia 'Bishop of Canterbury' 6
Dahlia 'Bishop of Llandaff' 10
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 13
Dahlia 10
Dahlia 13
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 'Gallery Cobra' 11
Dahlia 'HS Party' 1
Dahlia imperialis 65
Dahlia imperialis (double white) 5
Dahlia 'Joliet' 5
Dahlia 'Knockout' 24
Dahlia 'Masquerade' 3
Dahlia merckii 2
Dahlia pinnata 'G13525' 2
Dahlia 'Roodkapje' 5
Dahlia 'Rosamunde' 2
Dahlia 'Roxy' 3
Dahlia 'Swanlake' 8
Dahlia 'Trelawny' 1
Dahlia 'Twyning's Smartie' 3
Dahlia 'Vaguely Noble' 1
Dahlia 'Ventura' 1
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 23
Daphne 46
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 4
Daphne genkwa 60
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' 10
Daphne odora 'Mae-jima' 7
Daphne odora 'Nakafu' 20
Daphne odora 'Ringmaster' 3
Daphne odora 'Ripple' 9
Daphne odora 'Shinano Nishiki' 6
Daphne odora 'Wild Winter' 5
Daphne odora 'Zuiko Nishiki' 33
Daphne oleoides 2
Daphne oleoides var. kurdica 2
Daphne pseudomezereum 16
Daphne retusa 3
Daphne ×schlyteri 12
Daphne sericea 2
Daphne 'Stasek' 8
Daphne ×susannae 'Cheriton' 2
Daphne ×susannae 'Lawrence Crocker' 7
Daphne 'Tage Lundell' 3
Daphne tangutica 10
Daphne ×transatlantica 'Beulah Cross' 7
Daphne ×transatlantica 'Blafra' 8
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 60
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 'Snow Country' 7
Daphniphyllum teysmannii 3
Daphniphyllum teysmannii 'Shiro Fukurin' 1
Darlingtonia 1
Darlingtonia californica 29
Darmera peltata 8
Dasylirion 6
Dasylirion acrotrichum 7
Dasylirion berlandieri 13
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 24
Dasylirion wheeleri 26
Datisca cannabina 7
Datisca cannabina (DHTU0005) 3
Datura 11
Datura inoxia 2
Datura metel 4
Datura wrightii 13
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 '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
Deinanthe bifida 5
Deinanthe caerulea 3
Delonix regia 5
Delosperma 14
Delosperma ashtonii 4
Delosperma basuticum 7
Delosperma congestum 1
Delosperma cooperi 6
Delosperma cooperi 'Jewel of Desert Peridot' 1
Delosperma dyeri 'Psdold' 2
Delosperma ecklonis 1
Delosperma ecklonis var. latifolia 5
Delosperma (ex. 'Lesotho Pink') 4
Delosperma floribundum 'Starburst' 14
Delosperma 'Fuchsia Finite' 4
Delosperma 'Grahamstown Ghost' 4
Delosperma 'John Proffitt' 1
Delosperma karroojum 2
Delosperma 'Kelaidis' 6
Delosperma nelii 8
Delosperma nubigenum 2
Delosperma nubigenum 'Basutoland' 9
Delosperma 'Oberg' 3
Delosperma 'P001s' 15
Delosperma (Sani Pass #2) 1
Delosperma 'Sani Pass 2' 5
Delosperma sphalmanthoides 1
Delosperma sutherlandii 1
Delphinium 53
Delphinium anthriscifolium 3
Delphinium barbeyi 11
Delphinium carolinianum 3
Delphinium carolinianum subsp. virescens 4
Delphinium cashmerianum 2
Delphinium 'Connecticut Yankees' 1
Delphinium nuttallianum 29
Delphinium ×occidentale 3
Delphinium parishii 1
Delphinium tatsienense 4
Delphinium tricorne 21
Dendranthema lavandulifolium var. seticuspe 2
Dendrobium 10
Dendrobium nobile 2
Dendrobium spectabile 2
Dendropanax 5
Dendropanax dentiger 9
Dendropanax pellucidopunctatus 2
Dendropanax proteus 3
Dendropanax trifidus 18
Dendropanax trifidus (white dusted) 1
Denmoza rhodacantha 14
Dennstaedtia punctilobula 3
Deparia acrostichoides 1
Deschampsia cespitosa 'Northern Lights' 2
Desfontainia spinosa 18
Desmodium 2
Desmodium sequax 3
Desmodium yunnanense 3
Deuterocohnia brevifolia 4
Deutzia 12
Deutzia calycosa 7
Deutzia coreana var. triradiata 6
Deutzia corymbosa 2
Deutzia crenata 'Summer Snow' 8
Deutzia ×elegantissima 'Rosealind' 2
Deutzia glabrata 6
Deutzia gracilis 10
Deutzia gracilis 'Duncan' 21
Deutzia gracilis 'Mincream' 2
Deutzia gracilis 'Nikko' 8
Deutzia gracilis 'Nikko Dawn' 11
Deutzia gracilis 'Variegata' 8
Deutzia hookeriana 2
Deutzia ×hybrida 'Magicien' 2
Deutzia ×hybrida 'Strawberry Fields' 6
Deutzia ×hybrida 'Tourbillon Rouge' 14
Deutzia ×kalmiiflora 6
Deutzia ×lemoinei 17
Deutzia longifolia 'Veitchii' 2
Deutzia aff. madrensis 2
Deutzia 'Ncdx2' 4
Deutzia 'Nikko Blush' 4
Deutzia ningpoensis 5
Deutzia ogatai 9
Deutzia parviflora 2
Deutzia pulchra 2
Deutzia ×rosea 2
Deutzia rubens 14
Deutzia scabra 2
Deutzia scabra 'Codsall Pink' 3
Deutzia scabra 'Pink Minor' 8
Deutzia scabra 'Pride of Rochester' 2
Deutzia scabra 'Variegata' 6
Deutzia scabra 'White Splash' 5
Deutzia setchuenensis 2
Deutzia setchuenensis var. corymbiflora 21
Deutzia taiwanensis 2
Diamorpha smallii 7
Dianella 1
Dianella caerulea 'DBB03' 4
Dianella caerulea 'John 316' 2
Dianella ensifolia 'Yushan' 3
Dianella intermedia 2
Dianella revoluta 'DTN03' 1
Dianella tasmanica 6
Dianella tasmanica 'Gold Stripe' 2
Dianella tasmanica 'Variegata' 2
Dianella tasmanica 'Yellow Stripe' 2
Dianthus 62
Dianthus ×allwoodii 'Frosty Fire' 11
Dianthus alpinus 2
Dianthus amurensis 'Siberian Blue' 13
Dianthus anatolicus 6
Dianthus arenarius 2
Dianthus arpadianus var. pumilus 9
Dianthus ×arvernensis 11
Dianthus barbatus 4
Dianthus callizonus 6
Dianthus caryophyllus 108
Dianthus caryophyllus 'Fenbow Nutmeg Clone' 8
Dianthus chinensis 1
Dianthus 'Chris's Passalong' 20
Dianthus 'Corona Cherry Magic' 2
Dianthus cruentus 5
Dianthus deltoides 'Arctic Fire' 2
Dianthus deltoides 'Zing Rose' 1
Dianthus 'Devon Flavia' 3
Dianthus 'Devon Starling' 3
Dianthus erinacea var. alpina 4
Dianthus (ex. 'Blue Hill') 11
Dianthus giganteiformis subsp. pontederae 18
Dianthus gratianopolitanus 3
Dianthus gratianopolitanus 'Bath's Pink' 6
Dianthus gratianopolitanus 'Feuerhexe' 2
Dianthus gratianopolitanus 'Royal Midget' 8
Dianthus gratianopolitanus 'Tiny Rubies' 1
Dianthus 'Hilbeanaom' 2
Dianthus knappii 4
Dianthus langeanus 5
Dianthus 'Little Boy Blue' 5
Dianthus longicalyx 3
Dianthus lumnitzeri 2
Dianthus microlepis 9
Dianthus 'Mountain Mist' 7
Dianthus nitidus 3
Dianthus pinifolius 5
Dianthus plumarius 'Rose Tone' 5
Dianthus pygmaeus 4
Dianthus 'Queen of Hearts' 1
Dianthus 'Raspberry Magic' 3
Dianthus scardicus 3
Dianthus speciosus 'Shishika-01' 4
Dianthus squarrosus 1
Dianthus superbus 10
Dianthus superbus 'Holkahori' 3
Dianthus superbus var. longicalycinus 1
Dianthus tianschanicus 3
Dianthus 'Tiny Rubies' 1
Diascia 2
Diascia integerrima 'Coral Canyon' 2
Dicentra 8
Dicentra 'Amore Pink' 9
Dicentra canadensis 4
Dicentra cucullaria 7
Dicentra eximia 16
Dicentra eximia 'Dolly Sods' 4
Dicentra formosa 5
Dicentra formosa subsp. oregana 12
Dicentra peregrina 2
Dicentra 'Stuart Boothman' 2
Dichelostemma capitatum 8
Dichelostemma congestum 6
Dichelostemma congestum 'Pink Diamond' 17
Dichelostemma ida-maia 15
Dichondra 5
Dichondra argentea 'Silver Falls' 6
Dichorisandra thyrsiflora 3
Dichroa 1
Dichroa (dwarf) 3
Dichroa febrifuga 32
Dichroa febrifuga 'Yamaguchi Hardy' 1
Dichroa versicolor 3
Dichroa aff. yaoshanensis 4
Dicksonia 3
Dicksonia fibrosa 2
Dicksonia lanata 1
Dicksonia squarrosa 5
Dicliptera resupinata 2
Dicliptera suberecta 6
Dicranopteris pedata 2
Dictamnus 1
Dictamnus albus 5
×Didrangea versicolor 5
Dieffenbachia 8
Dierama 11
Dierama ambiguum 1
Dierama dracomontanum 7
Dierama igneum 6
Dierama jucundum 3
Dierama luteoalbidum 1
Dierama pauciflorum 2
Dierama pendulum 2
Dierama pulcherrimum 10
Dierama reynoldsii 2
Diervilla rivularis 'Troja Black' 7
Diervilla sessilifolia 'Lpdc Podaras' 7
Dietes bicolor 3
Digitalis 15
Digitalis ferruginea 8
Digitalis 'Flame' 3
Digitalis grandiflora 2
Digitalis lanata 9
Digitalis lutea 4
Digitalis lutea subsp. australis 3
Digitalis obscura 10
Digitalis purpurea 29
Digitalis purpurea f. albiflora 1
Digitalis schischkinii 1
Digitalis thapsi 3
Digitalis thapsi 'Spanish Peaks' 3
Digitalis 'Waldigone' 2
Dimorphotheca fruticosa 2
Dionaea 4
Dionaea muscipula 79
Dionaea muscipula 'Red Cup' 2
Dioon edule 6
Dioon edule var. angustifolium 2
Dioon edule var. angustifolium 'Palma Sola' 3
Dioon mejiae 3
Dioon merolae 4
Dioon spinulosum 7
Dioscorea 1
Dioscorea villosa 2
Diospyros 5
Diospyros cathayensis 8
Diospyros glabra 1
Diospyros kaki 40
Diospyros kaki 'Giant Fuyu' 1
Diospyros kaki 'Gwang Yang' 6
Diospyros kaki 'Pendula' 9
Diospyros kaki 'Shibamichi Weeping' 7
Diospyros kaki (yellow splashed) 1
Diospyros lotus 8
Diospyros oleifera 3
Diospyros rhombifolia 4
Diospyros rhombifolia 'Suisei' 4
Diospyros texana 8
Diospyros virginiana 10
Diospyros virginiana (Hidden Hollow seedless) 4
Diospyros virginiana 'Jn5' 3
Diospyros wilsonii 2
Dipelta ventricosa 5
Dipentodon sinicus 3
Diphasiastrum digitatum 2
Diphylleia cymosa 12
Diphylleia grayi 2
Diphylleia sinensis 2
Diplarrhena moraea 4
Diplazium australe 1
Diplazium maximum 2
Diplazium maximum (T-728/05) 2
Diplazium pycnocarpon 1
Diplazium subsinuatum 3
Dipsacus 1
Dipsacus fullonum 2
Dipteris conjugata 9
Dipteronia sinensis 2
Dirca palustris 25
Disa ×watsonii 'Sandra' 2
Disanthus cercidifolius 8
Disanthus cercidifolius 'Ena Nishiki' 1
Disanthus cercidifolius 'Golden Crown' 1
Disanthus cercidifolius subsp. longipes (compact form) 1
Disanthus cercidifolius (white flush) 1
Disanthus ovatifolius 3
Diselma archeri 8
Diselma archeri 'Read Dwarf' 2
Disphyma papillatum 1
Disporopsis 4
Disporopsis arisanensis 1
Disporopsis aspersa 7
Disporopsis bakerorum 2
Disporopsis pernyi 17
Disporopsis aff. pernyi 2
Disporopsis pernyi (Waddich form) 2
Disporopsis pernyi 'Xiao Chengdu' 4
Disporopsis undulata 3
Disporum 6
Disporum cf. bodinieri 4
Disporum brachystemon 5
Disporum cantoniense 4
Disporum cantoniense 'Aureovariegata' 2
Disporum cantoniense 'Green Giant' 7
Disporum flavens 39
Disporum flavens (Simm's variegated) 6
Disporum 'Lily Pads' 4
Disporum longistylum 8
Disporum longistylum 'Awa-no-tsuki' 5
Disporum longistylum 'Night Heron' 6
Disporum longistylum 'Shina-no-tsuki' 5
Disporum nantauense 1
Disporum sessile 3
Disporum sessile 'Ogon' 1
Disporum sessile 'Tightwad' 2
Disporum sessile 'Variegatum' 11
Disporum smilacinum 'Chigyo Yuri Mine' 0
Disporum trabeculatum 'Nakafu' 2
Distictis buccinatoria 2
Distylium 5
Distylium buxifolium 1
Distylium myricoides 7
Distylium myricoides 'Athens Tower' 3
Distylium myricoides 'Lucky Charm' 1
Distylium myricoides 'Spg-3-007' 4
Distylium 'Piidist-I' 3
Distylium 'Piidist-III' 1
Distylium racemosum 5
Distylium racemosum 'Guppy' 3
Distylium racemosum (Mr. Ishii's variegated) 4
Distylium racemosum (white margin) 3
Dizygotheca elegantissima 6
Dodecatheon 4
Dodecatheon meadia 21
Dodecatheon meadia 'Album' 5
Dodecatheon pulchellum 28
Dodonaea viscosa 5
Dodonaea viscosa 'Moonbeam' 2
Dodonaea viscosa 'Purpurea' 6
Dombeya 2
Dombeya ×cayeuxii 3
Doodia aspera 2
Draba aizoides 1
Draba aurea 2
Draba crassa 3
Draba crassifolia 1
Draba dedeana 1
Draba helleriana 1
Draba hispanica 6
Draba lasiocarpa 3
Draba oligosperma 6
Draba polytricha 1
Draba ramosissima 7
Draba streptocarpa 1
Dracaena 15
Dracaena braunii 1
Dracaena draco 5
Dracaena fragrans 4
Dracaena fragrans Deremensis Group 1
Dracaena fragrans [Deremensis Group] 'Limelight' 3
Dracaena marginata 3
Dracaena marginata 'Tricolor' 3
Dracocephalum argunense 1
Dracocephalum bullatum 2
Dracocephalum imberbe 2
Dracocephalum ruyschiana 1
Dracophyllum filifolium 1
Dracophyllum strictum 2
Dracophyllum traversii 3
Dracunculus vulgaris 54
Dracunculus vulgaris (A1CR-054A) 2
Dracunculus vulgaris (A1CR-057) 1
Dregea sinensis 4
Drimiopsis maculata 3
Drimiopsis maculata 'Slow Fade' 4
Drimys lanceolata 7
Drimys lanceolata 'Suzette' 1
Drimys winteri 13
Drimys winteri var. chilensis 1
Drosanthemum 3
Drosera 17
Drosera brevifolia 11
Drosera capensis 2
Drosera capillaris 23
Drosera intermedia 14
Drosera tracyi 3
Dryas octopetala 3
Dryas octopetala subsp. hookeriana 17
Dryopteris 11
Dryopteris affinis subsp. affinis 3
Dryopteris affinis 'Cristata The King' 2
Dryopteris affinis 'Gotemba Crested' 19
Dryopteris championii 6
Dryopteris erythrosora 7
Dryopteris erythrosora 'Brilliance' 1
Dryopteris erythrosora var. koidzumiana 5
Dryopteris erythrosora 'Radiance' 4
Dryopteris filix-mas 'Linearis Polydactyla' 2
Dryopteris formosana 3
Dryopteris goldiana 7
Dryopteris intermedia 1
Dryopteris pycnopteroides 3
Dryopteris sieboldii 8
Dryopteris sublacera 6
Dryopteris wallichiana 2
Dudleya candida 1
Dudleya collomiae (A1AZ-010) 1
Dudleya farinosa 14
Dudleya saxosa 4
Duranta 2
Duranta erecta 10
Duranta erecta 'Aurea' 2
Duranta erecta 'Golden Edge' 4
Dyckia 6
Dyckia brevifolia 4
Dyckia choristaminea 'Frazzle Dazzle' 2
Dyckia 'Grape Jelly' 3
Dyckia 'Picante' 1
Dyckia velascana × D. encholirioides 17
Dypsis baronii 1
Dypsis cabadae 5
Dyschoriste linearis 7
Ebenus cretica 5
Ebracteola wilmaniae 5
Eccremocarpus scaber 3
Echeandia 1
Echeandia texensis 13
Echeveria 17
Echeveria agavoides 1
Echeveria 'Black Prince' 2
Echeveria runyonii 26
Echeveria runyonii 'Topsey Turvey' 5
Echinacea 38
Echinacea angustifolia 4
Echinacea 'Art's Pride' 1
Echinacea 'Balsomsed' 2
Echinacea 'CBG Cone 2' 2
Echinacea 'Colorburst Orange' 7
Echinacea 'Conekim' 2
Echinacea 'Conevin' 8
Echinacea 'Evan Saul' 10
Echinacea 'Firebird' 7
Echinacea 'Flame Thrower' 24
Echinacea 'Gemini Pink' 8
Echinacea 'Glowing Dream' 18
Echinacea 'Hot Papaya' 2
Echinacea 'Katie Saul' 7
Echinacea laevigata 15
Echinacea 'Leilani' 6
Echinacea 'Mama Mia' 2
Echinacea 'Matthew Saul' 5
Echinacea 'Maui Sunshine' 1
Echinacea 'Meteor Red' 1
Echinacea 'Noam Saul' 2
Echinacea pallida 21
Echinacea paradoxa 2
Echinacea paradoxa var. neglecta 4
Echinacea paradoxa var. paradoxa 4
Echinacea purpurea 73
Echinacea purpurea 'Elton Knight' 2
Echinacea purpurea 'Green Envy' 4
Echinacea purpurea 'Kim's Knee High' 2
Echinacea purpurea 'Kim's Mop Head' 1
Echinacea purpurea 'Magnus' 4
Echinacea purpurea 'Merlot' 5
Echinacea purpurea 'Pink Poodle' 7
Echinacea purpurea 4
Echinacea purpurea 3
Echinacea purpurea 'Raspberry Tart' 2
Echinacea purpurea 'Rubinstern' 7
Echinacea purpurea 'Ruby Giant' 5
Echinacea purpurea 'Stewarts Pink' 15
Echinacea purpurea 'White Swan' 1
Echinacea 'Quills 'N Thrills' 9
Echinacea sanguinea 6
Echinacea 'Secret Glow' 4
Echinacea simulata 4
Echinacea 'Solar Flare' 1
Echinacea 'Sunrise' 13
Echinacea 'Tangerine Dream' 7
Echinacea tennesseensis 8
Echinacea 'Tiki Torch' 7
Echinacea 'Tomato Soup' 2
Echinocactus 3
Echinocactus horizonthalonius subsp. nicholii 1
Echinocactus platyacanthus 1
Echinocactus polycephalus 1
Echinocactus texensis 5
Echinocereus 23
Echinocereus coccineus 29
Echinocereus coccineus var. gurneyi 3
Echinocereus engelmannii 9
Echinocereus fendleri 16
Echinocereus majavensis 2
Echinocereus reichenbachii 2
Echinocereus reichenbachii var. albispinus 7
Echinocereus reichenbachii subsp. baileyi 2
Echinocereus reichenbachii var. perbellus 1
Echinocereus reichenbachii var. perbellus (DJF1637) 2
Echinocereus reichenbachii subsp. reichenbachii 2
Echinocereus rigidissimus var. rubrispinus 5
Echinocereus ×roetteri 10
Echinocereus triglochidiatus 26
Echinocereus triglochidiatus (Alpine Texas form) 5
Echinocereus triglochidiatus var. inermis 8
Echinocereus triglochidiatus var. inermis 'Panayoti' 3
Echinocereus triglochidiatus (White Sands) 3
Echinocereus viridiflorus 16
Echinodorus cordifolius 'Marble Queen' 3
Echinops 7
Echinops bannaticus 'Taplow Blue' 2
Echinops maracandicus 3
Echinops ritro 4
Echinopsis formosa var. amaichensis (Tafi del Valle form) 5
Echinopsis huascha 1
Echinopsis 'Susan Dace' 5
Echium 5
Echium aculeatum 2
Echium albicans 2
Echium candicans 3
Echium pininana 18
Echium wildpretii 7
Edgeworthia 10
Edgeworthia 'Akebono' 1
Edgeworthia chrysantha 70
Edgeworthia chrysantha (compact form) 5
Edgeworthia chrysantha × E. papyrifera 3
Edgeworthia chrysantha 'Gold Rush' 21
Edgeworthia chrysantha 'Nanjing Gold' 2
Edgeworthia chrysantha 'Snow Cream' 2
Edgeworthia chrysantha 'Winter Gold' 77
Edgeworthia gardneri 4
Edgeworthia papyrifera 16
Edgeworthia papyrifera 'Eco Yaku' 11
Edgeworthia papyrifera (ex. 'Eco Yaku') 18
Edgeworthia papyrifera 'Jitsuko Red' 1
Edgeworthia papyrifera (melon) 0
Edgeworthia 'Snow Globe' 51
Ehretia dicksonii 8
Ehretia dicksonii (cream yellow dusted) 1
Ehretia longiflora 1
Eichhornia crassipes 2
Eichornia crassipes 3
Elaeagnus 7
Elaeagnus angustifolia 1
Elaeagnus ×ebbingei 1
Elaeagnus ×ebbingei 'Coastal Gold' 6
Elaeagnus ×ebbingei 'Gilt Edge' 2
Elaeagnus ×ebbingei 'Lannou' 3
Elaeagnus ×ebbingei 'Limelight' 2
Elaeagnus ×ebbingei 'Viveleg' 3
Elaeagnus multiflora 4
Elaeagnus multiflora 'Bikkuri Gumi' 4
Elaeagnus pungens 6
Elaeagnus pungens 'Chirifu' 4
Elaeagnus pungens 'Dicksonii' 2
Elaeagnus pungens 'Frederici' 1
Elaeagnus pungens 'Hosoba Fukurin' 4
Elaeagnus pungens 'Maculata' 2
Elaeagnus pungens 'Variegata' 2
Elaeagnus viridis var. delavayi 3
Elaeocarpus decipiens 13
Elaeocarpus glabripetalus 3
Elaeocarpus reticulatus 'Prima Donna' 1
Elaeocarpus sylvestris 5
Elaphoglossum 1
Elatostema rugosum 1
Elegia tectorum 1
Eleutherococcus 1
Eleutherococcus gracilistylus 2
Eleutherococcus lasiogyne 4
Eleutherococcus sieboldianus 'Variegatus' 14
Elliottia racemosa 5
Elodea canadensis 8
Elsholtzia ciliata 2
Elsholtzia stauntonii 6
Elymus magellanicus 1
Elymus racemosa 4
Embothrium 2
Embothrium coccineum 11
Embothrium coccineum [Lanceolatum Group] 'Ñorquinco'