Botanical Name Index

The 12,855 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 12
Abelia chinensis 28
Abelia dielsii 1
Abelia floribunda 8
Abelia ×grandiflora 12
Abelia ×grandiflora 'Abelops' 3
Abelia ×grandiflora 'Canyon Creek' 10
Abelia ×grandiflora 'Compacta' 3
Abelia ×grandiflora 'Conti' 15
Abelia ×grandiflora (Dirr #6) 1
Abelia ×grandiflora 'Francis Mason' 4
Abelia ×grandiflora 'Goldenglossy' 1
Abelia ×grandiflora 'Hopleys' 8
Abelia ×grandiflora 'Kaleidoscope' 21
Abelia ×grandiflora 'Little Richard' 1
Abelia ×grandiflora 'Mardi Gras' 2
Abelia ×grandiflora 'Margarita' 6
Abelia ×grandiflora 'Minduo1' 2
Abelia ×grandiflora 'Radiance' 4
Abelia ×grandiflora 'Rose Creek' 9
Abelia ×grandiflora 'Sherwoodii' 2
Abelia ×grandiflora 'Sunrise' 9
Abelia integrifolia 1
Abelia mosanensis 26
Abelia parvifolia 8
Abelia parvifolia 'Saxon Gold' 6
Abelia serrata 3
Abelia spathulata 13
Abeliophyllum distichum 6
Abeliophyllum distichum Roseum Group 1
Abelmoschus esculentus 2
Abelmoschus manihot 3
Abelmoschus moschatus 2
Abies 27
Abies alba 1
Abies amabilis 'Spreading Star' 1
Abies balsamea 3
Abies balsamea Hudsonia Group 1
Abies balsamea 'Nana' 1
Abies bornmuelleriana 'Barney' 1
Abies cephalonica 1
Abies cephalonica 'Meyer's Dwarf' 2
Abies cilicica 1
Abies concolor 15
Abies concolor 'Blue Cloak' 7
Abies concolor 'Candicans' 3
Abies concolor 'Compacta' 2
Abies concolor 'Gable's Weeping' 3
Abies concolor 'Glenmore' 2
Abies concolor 'Piggelmee' 2
Abies fabri 5
Abies fargesii 10
Abies firma 52
Abies fraseri 7
Abies holophylla 7
Abies homolepis 'Prostrata' 1
Abies koreana 16
Abies koreana 'Aurea' 2
Abies koreana 'Cis' 7
Abies koreana 'Green Carpet' 1
Abies koreana 'Piccolo' 3
Abies koreana 'Prostrate Beauty' 4
Abies koreana 'Silberlocke' 12
Abies koreana 'Silver Show' 3
Abies lasiocarpa 1
Abies lasiocarpa var. arizonica 3
Abies nebrodensis 8
Abies nordmanniana 13
Abies nordmanniana 'Durham Dwarf' 1
Abies nordmanniana subsp. equi-trojani 2
Abies nordmanniana 'Golden Spreader' 4
Abies nordmanniana 'Tortifolia' 4
Abies pinsapo 8
Abies pinsapo 'Aurea' 4
Abies pinsapo 'Glauca' 12
Abies pinsapo var. marocana 1
Abies procera 3
Abies procera 'Glauca' 3
Abies procera [Glauca Group] 'Glauca Prostrata' 3
Abies sachalinensis 2
Abies squamata 2
Abies veitchii 2
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' 24
Abutilon pictum 10
Abutilon pictum 'Thompsonii' 4
Abutilon 'Souvenir de Bonn' 10
Abutilon tridens 3
Abutilon vitifolium 4
Abutilon vitifolium 'Sauvie Clouds' 3
Acacia 28
Acacia baileyana 7
Acacia cognata 'Green Mist' 5
Acacia constricta 5
Acacia cultriformis 9
Acacia elata 2
Acacia pataczeckii 1
Acacia pravissima 10
Acaena 4
Acaena caesiglauca 2
Acaena microphylla var. pauciglochidiata 3
Acalypha 3
Acalypha chamaedrifolia 1
Acalypha hispida 10
Acalypha pendula 13
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
Acantholimon 2
Acantholimon araxanum 2
Acantholimon hohenackeri 3
Acantholimon litvinovii 2
Acantholimon trojanum 1
Acantholimon venustum 3
Acanthus 16
Acanthus balcanicus 4
Acanthus dioscoridis var. perringii 6
Acanthus mollis 10
Acanthus mollis 'Hollard's Gold' 3
Acanthus mollis 'Tasmanian Angel' 6
Acanthus 'Morning Candle' 11
Acanthus sennii 12
Acanthus spinosus 20
Acanthus 'Summer Beauty' 15
Acca sellowiana 14
Acca sellowiana 'NCSU Hardy' 27
Acer 204
Acer acuminatum 3
Acer albopurpurascens 5
Acer barbatum 1
Acer buergerianum 31
Acer buergerianum 'Angyo Weeping' 4
Acer buergerianum var. formosanum 7
Acer buergerianum 'Iwao Kaede' 4
Acer buergerianum 'Mino yatsubusa' 10
Acer buergerianum 'Miyasama' 4
Acer buergerianum 'Miyasama Yatsubusa' 4
Acer buergerianum 'Naruto' 12
Acer buergerianum var. ningpoense 10
Acer buergerianum 'Wako Nishiki' 3
Acer caesium 1
Acer campbellii 3
Acer campbellii subsp. campbellii 6
Acer campbellii subsp. flabellatum 2
Acer campbellii subsp. sinense 4
Acer campestre 5
Acer campestre 'Carnival' 7
Acer campestre 'Evelyn' 3
Acer campestre 'Nanum' 3
Acer campestre 'Pulverulentum' 1
Acer campestre 'Royal Ruby' 4
Acer capillipes 'Honey Dew' 2
Acer cappadocicum subsp. cappadocicum 1
Acer cappadocicum subsp. cappadocicum 'Aureum' 8
Acer cappadocicum subsp. sinicum 1
Acer carpinifolium 8
Acer carpinifolium 'Esveld Select' 1
Acer caudatifolium 27
Acer caudatifolium 'Variegata' 8
Acer circinatum 13
Acer circinatum 'Burgundy Jewel' 2
Acer circinatum 'Little Gem' 3
Acer cissifolium 7
Acer ×conspicuum 'Phoenix' 4
Acer ×conspicuum 'Red Flamingo' 2
Acer ×conspicuum 'Silver Vein' 4
Acer coriaceifolium 35
Acer coriaceifolium (variegated) 1
Acer crataegifolium 3
Acer crataegifolium 'Veitchii' 9
Acer davidii 24
Acer davidii × A. tegmentosum 4
Acer davidii 'Dawn Rainbow' 5
Acer davidii 'George Forrest' 5
Acer diabolicum 3
Acer elegantulum 9
Acer fabri 41
Acer aff. fabri 2
Acer ×freemanii 2
Acer ×freemanii 'Celzam' 2
Acer ×freemanii 'Jeffersred' 1
Acer ×freemanii 'Marmo' 1
Acer ×freemanii (variegated form) 2
Acer 'Girard's Selection' 9
Acer grandidentatum 3
Acer griseum 61
Acer griseum × A. pseudoplatanus 3
Acer heldreichii 2
Acer heldreichii subsp. trautvetteri 3
Acer henryi 36
Acer japonicum 7
Acer japonicum 'Aconitifolium' 25
Acer japonicum 'Aureum' 1
Acer japonicum 'Filicifolium' 22
Acer japonicum 'Wood's #2' 3
Acer kawakamii 12
Acer laevigatum 9
Acer laurinum 1
Acer laurinum (variegated) 1
Acer leucoderme 2
Acer leucoderme 'Confederate Ghost' 1
Acer longipes 7
Acer longipes subsp. catalpifolium 8
Acer lucidum 3
Acer macrophyllum 9
Acer maximowiczianum 8
Acer miaotaiense 2
Acer micranthum 1
Acer miyabei 15
Acer monspessulanum 1
Acer morrisonense 9
Acer negundo 7
Acer negundo 'Elegans' 2
Acer negundo 'Flamingo' 14
Acer negundo 'Kelly's Gold' 11
Acer negundo 'Variegatum' 5
Acer negundo 'Winter Lightning' 22
Acer nigrum 7
Acer nipponicum 2
Acer oblongum 32
Acer oliverianum 3
Acer oliverianum subsp. formosanum 4
Acer palmatum 355
Acer palmatum 'Akane' 1
Acer palmatum 'Amagi Shigure' 2
Acer palmatum 'Ao kanzashi' 3
Acer palmatum 'Arakawa' 10
Acer palmatum 'Asahi Zuru' 6
Acer palmatum 'Baby Lace' 4
Acer palmatum 'Beni kawa' 31
Acer palmatum 'Beni komachi' 10
Acer palmatum 'Beni Mikawa' 1
Acer palmatum 'Beni ôtake' 3
Acer palmatum 'Beni schichihenge' 6
Acer palmatum 'Beni ubi gohon' 5
Acer palmatum 'Bihou' 10
Acer palmatum 'Bloodgood' 17
Acer palmatum 'Butterfly' 11
Acer palmatum 'Calico' 1
Acer palmatum 'Coonara Pygmy' 15
Acer palmatum 'Corallinum' 5
Acer palmatum 'Crimson Princess' 3
Acer palmatum 'Crimson Queen' 3
Acer palmatum Dissectum Atropurpureum Group 245
Acer palmatum Dissectum Viride Group 26
Acer palmatum 'Dragon Tears' 1
Acer palmatum 'E.P.' 6
Acer palmatum 'Emerald Lace' 2
Acer palmatum 'Emperor I' 2
Acer palmatum 'Fairy Hair' 2
Acer palmatum 'Fireball' 4
Acer palmatum 'Fujinami Nishiki' 1
Acer palmatum 'Geisha Gone Wild' 6
Acer palmatum 'Glowing Embers' 1
Acer palmatum 'Golden Flame' 3
Acer palmatum 'Goshiki kotohime' 2
Acer palmatum 'Hagoromo' 2
Acer palmatum 'Hefner's Red' 5
Acer palmatum 'Higasa yama' 20
Acer palmatum 'Hôgyoku' 1
Acer palmatum 'Hubb's Red Willow' 4
Acer palmatum 'Inaba shidare' 1
Acer palmatum 'Jerre Schwartz' 2
Acer palmatum 'Jirô shidare' 1
Acer palmatum 'Kagiri Nishiki' 3
Acer palmatum 'Kamagata' 5
Acer palmatum 'Karasu gawa' 1
Acer palmatum 'Kashima yatsubusa' 6
Acer palmatum 'Kiyohime' 2
Acer palmatum 'Kiyohime Yatsubusa' 1
Acer palmatum 'Koshimino' 1
Acer palmatum 'Koto ito komachi' 1
Acer palmatum 'Linearilobum' 6
Acer palmatum 'Mardi Gras' 1
Acer palmatum 'Margaret Bee' 11
Acer palmatum 'Mikawa Yatsubusa' 15
Acer palmatum 'Mikazuki' 1
Acer palmatum 'Moonfire' 16
Acer palmatum 'Moonglow' 1
Acer palmatum 'Nishiki gawa' 11
Acer palmatum 'Nuresagi' 6
Acer palmatum 'Ô kagami' 14
Acer palmatum 'Okukuji Nishiki' 1
Acer palmatum 'Okushimo' 11
Acer palmatum 'Omure yama' 3
Acer palmatum 'Orange Dream' 18
Acer palmatum 'Orangeola' 5
Acer palmatum 'Oregon Sunset' 4
Acer palmatum 'Oridono Nishiki' 5
Acer palmatum 'Ornatum' 1
Acer palmatum 'Ōsakasuki' 6
Acer palmatum 'Oshio beni' 18
Acer palmatum 'Pendulum Julian' 28
Acer palmatum 'Pixie' 1
Acer palmatum 'Pung Kil' 3
Acer palmatum 'Raraflora' 5
Acer palmatum 'Red Dragon' 3
Acer palmatum 'Red Filigree Lace' 9
Acer palmatum 'Red Select' 1
Acer palmatum 'Reticulatum' 1
Acer palmatum 'Ryusen' 6
Acer palmatum 'Sagara Nishiki' 3
Acer palmatum 'Sango kaku' 51
Acer palmatum 'Scolopendriifolium' 1
Acer palmatum 'Searles Variegated' 3
Acer palmatum 'Seigai' 5
Acer palmatum 'Seiryu' 8
Acer palmatum 'Senkaki' 1
Acer palmatum 'Shaina' 10
Acer palmatum 'Sharp's Pygmy' 2
Acer palmatum 'Shigitatsu sawa' 2
Acer palmatum 'Shishigashira' 14
Acer palmatum 'Sister Ghost' 1
Acer palmatum 'Skeeter's Broom' 1
Acer palmatum 'Sumi Nagashi' 1
Acer palmatum 'Tamuke yama' 5
Acer palmatum 'Trompenburg' 3
Acer palmatum 'Tsukasa Silhouette' 3
Acer palmatum 'Tsuma gaki' 2
Acer palmatum 'Twombley's Red Sentinel' 1
Acer palmatum 'Ukigumo' 2
Acer palmatum 'Wabito' 7
Acer palmatum 'Waterfall' 8
Acer palmatum 'Willow Leaf' 2
Acer palmatum 'Yezo Nishiki' 1
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' 5
Acer pilosum var. stenolobum 15
Acer platanoides 10
Acer platanoides 'Crimson King' 7
Acer platanoides 'Cucullatum' 4
Acer platanoides 'Drummondii' 5
Acer platanoides 'Globosum' 1
Acer platanoides 'Princeton Gold' 5
Acer pseudoplatanus 'Brilliantissimum' 2
Acer pseudoplatanus 'Leopodii' 9
Acer pseudoplatanus 'Prinz Handjery' 3
Acer pseudoplatanus 'Simon-Louis Frères' 3
Acer pseudoplatanus f. variegatum 2
Acer pseudoplatanus f. variegatum 'Esk Sunset' 13
Acer pseudosieboldianum subsp. takesimense 1
Acer pubinerve 3
Acer pycnanthum (variegated) 1
Acer rubrum 48
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' 4
Acer rufinerve 'Winter Gold' 1
Acer saccharinum 2
Acer saccharinum 'Born's Gracious' 9
Acer saccharum 34
Acer saccharum 'Barrett Cole' 9
Acer saccharum 'Flax Mill Majesty' 13
Acer saccharum 'Monumentale' 4
Acer saccharum 'Newton Sentry' 3
Acer saccharum 'PNI 0285' 1
Acer saccharum 'Sweet Shadow' 1
Acer sempervirens 11
Acer serrulatum 3
Acer shirasawanum 6
Acer shirasawanum 'Aureum' 13
Acer shirasawanum 'Autumn Moon' 19
Acer shirasawanum 'Yasemin' 3
Acer sieboldianum 'Kumoi nishiki' 2
Acer sikkimense 4
Acer sikkimense subsp. metcalfii 1
Acer skutchii 9
Acer skutchii (pink flush) 2
Acer spicatum 3
Acer stachyophyllum 3
Acer stachyophyllum subsp. betulifolium 12
Acer tataricum 2
Acer tataricum 'Garann' 4
Acer tataricum subsp. ginnala 6
Acer tataricum subsp. ginnala 'Flame' 6
Acer tataricum subsp. ginnala 'Red Wing' 14
Acer tataricum subsp. ginnala 'V.N. Strain' 4
Acer tataricum subsp. ginnala (variegated) 5
Acer tataricum subsp. semenovii 7
Acer tataricum subsp. tataricum 9
Acer tegmentosum 'White Tigress' 4
Acer triflorum 27
Acer truncatum 6
Acer truncatum 'WF-AT1' 20
Acer tschonoskii 11
Acer velutinum var. vanvolxemii 1
Acer 'White Tigress' 6
Achillea 29
Achillea clavennae 1
Achillea 'Coronation Gold' 6
Achillea filipendulina 6
Achillea grandifolia 5
Achillea millefolium 5
Achillea millefolium (Montrose rose form) 15
Achillea millefolium 'Orange Queen' 1
Achillea millefolium 'Paprika' 8
Achillea millefolium 'Royal Tapestry' 1
Achillea 'Moonshine' 3
Achillea ptarmica 3
Achillea ptarmica 'The Pearl' 1
Achillea siberica var. camschatica 'Love Parade' 2
Achillea tomentosa 2
Achimenes 3
Achimenes 'Harry Williams' 3
Achlys triphylla 7
Acidanthera 2
Aciphylla 7
Aciphylla aurea 12
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 20
Acis nicaeensis 2
Acoelorrhaphe wrightii 3
Aconitum 16
Aconitum carmichaelii 7
Aconitum fukutomei var. formosanum 2
Aconitum hemsleyanum 3
Aconitum napellus 2
Acorus 2
Acorus calamus 'Variegatus' 6
Acorus gramineus 6
Acorus gramineus 'Aureus' 1
Acorus gramineus 'Licorice' 1
Acorus gramineus 'Masamune' 6
Acorus gramineus 'Oborozuki' 1
Acorus gramineus 'Ogon' 9
Acorus gramineus 'Variegatus' 2
Acrocomia aculeata 1
Actaea 4
Actaea japonica 4
Actaea pachypoda 'Misty Blue' 3
Actaea racemosa 8
Actaea rubra 11
Actaea rubra f. neglecta 4
Actaea simplex [Atropurpurea Group] 'Black Negligee' 1
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) 2
Actinidia deliciosa 20
Actinidia kolomikta 10
Actinidia polygama 5
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' 4
Adiantum capillus-veneris 6
Adiantum capillus-veneris 'Bermuda Run' 2
Adiantum formosum 1
Adiantum hispidulum 2
Adiantum hispidulum 'Mount Haleakala' 3
Adiantum pedatum 17
Adiantum venustum 15
Adina rubella 18
Adina rubella 'Purple Flower' 2
Adinandra formosana 1
Adonidia merrillii 1
Adonis amurensis 5
Adonis 'Chichibu Beni' 1
Aechmea 2
Aechmea blanchetiana 2
Aechmea 'Blue Tango' 1
Aechmea chantinii 1
Aechmea fasciata 2
Aechmea fulgens 3
Aegopodium 1
Aegopodium podagraria 1
Aegopodium podagraria 'Variegatum' 3
Aeonium 3
Aeonium arboreum 'Zwartkop' 21
Aeonium 'Sunburst' 1
Aeschynanthus parvifolius 1
Aesculus 43
Aesculus ×arnoldiana 9
Aesculus californica 24
Aesculus californica 'Canyon Pink' 9
Aesculus californica 'Grants Ruby' 1
Aesculus ×carnea 3
Aesculus ×carnea 'Aureomarginata' 1
Aesculus ×carnea 'Briotii' 10
Aesculus ×carnea 'Fort McNair' 2
Aesculus ×carnea 'O'Neill' 3
Aesculus ×carnea 'Rosea' 26
Aesculus ×carnea 'Variegata' 19
Aesculus chinensis 13
Aesculus chinensis var. wilsonii 2
Aesculus flava 10
Aesculus glabra var. arguta 22
Aesculus glabra var. glabra 9
Aesculus hippocastanum 11
Aesculus hippocastanum 'Baumannii' 2
Aesculus hippocastanum 'Hampton Court Gold' 1
Aesculus hippocastanum 'Laciniata' 5
Aesculus hippocastanum 'Wisselink' 10
Aesculus 'Homestead' 6
Aesculus indica 10
Aesculus indica 'Sydney Pearce' 7
Aesculus ×mutabilis 'Induta' 5
Aesculus parviflora 34
Aesculus parviflora 'Rogers' 2
Aesculus parviflora f. serotina 1
Aesculus pavia 21
Aesculus pavia 'Fishtail' 7
Aesculus pavia 'Humilis' 13
Aesculus pavia var. pavia 24
Aesculus pavia 'Splendens' 31
Aesculus pavia (yellow splash) 1
Aesculus sylvatica 14
Aesculus turbinata 24
Aesculus turbinata (dwarf) 1
Aesculus turbinata (white splash) 1
Aesculus turbinata (yellow splash) 1
Aesculus ×woerlitzensis 2
Aethionema grandiflorum 2
Aethionema saxatile 5
Aethionema subulatum 1
Afrocarpus falcatus 3
Afrocarpus gracilior 2
Agalinis 1
Agalinis aphylla 9
Agalinis fasciculata 4
Agapanthus 54
Agapanthus africanus 4
Agapanthus africanus 'Alba' 2
Agapanthus africanus 'Peter Pan' 1
Agapanthus africanus 'Variegatus' 1
Agapanthus 'Blue Globe' 1
Agapanthus 'Blue Heaven' 2
Agapanthus 'Early Blue' 2
Agapanthus inapertus major 6
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' 1
Agastache 8
Agastache aurantiaca 7
Agastache 'Blue Boa' 3
Agastache 'Blue Fortune' 5
Agastache cana 6
Agastache 'Desert Sunrise' 3
Agastache foeniculum 'Golden Jubilee' 5
Agastache mexicana 2
Agastache mexicana 'Toronjil Moroda' 1
Agastache pallidiflora 6
Agastache pringlei 1
Agastache 'Raspberry Summer' 2
Agastache rupestris 8
Agastache 'Shades of Orange' 1
Agastache 'Summer Breeze' 2
Agastache 'Summer Sky' 4
Agastache 'Tutti-frutti' 2
Agathis australis 15
Agathis dammara 1
Agathis macrophylla 4
Agathis microstachya 2
Agathis moorei 2
Agathis robusta 3
Agave 146
Agave americana 19
Agave americana (Abbey Garden Form) 1
Agave americana 'Creamy Edge' 2
Agave americana 'Lemon Lime' 9
Agave americana 'Marginata' 8
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 1
Agave asperrima subsp. potosiensis 1
Agave atrovirens var. mirabilis 4
Agave attenuata 5
Agave attenuata 'Raea's Gold' 1
Agave 'Black Spruce' 2
Agave bovicornuta 4
Agave bracteosa 7
Agave bracteosa 'Octopussy' 5
Agave bracteosa 'Stingray' 2
Agave celsii 18
Agave chiapensis 1
Agave chrysantha 2
Agave colorata 5
Agave dasyliriodes 6
Agave desmettiana 'Variegata' 1
Agave difformis 4
Agave filifera 1
Agave flexispina 24
Agave franzosini 1
Agave funkiana (Victoria blue form) 1
Agave geminiflora 2
Agave gentryi 'Jaws' 6
Agave gracilipes 1
Agave guiengola 4
Agave gypsophila 1
Agave havardiana 83
Agave hiemiflora 1
Agave inaequidens subsp. inaequidens 2
Agave lechuguilla 14
Agave lophantha 53
Agave lophantha 'La Bufa Baby' 7
Agave lophantha 'Quadricolor' 5
Agave lophantha 'Splendida' 5
Agave lurida 'Marginata' 1
Agave macroculmis 3
Agave montana 26
Agave montana (La Plena form) 1
Agave 'Mr. Ripple' 22
Agave multifilifera 10
Agave murpheyi 2
Agave obscura 1
Agave ocahui 4
Agave ocahui var. longifolia 3
Agave ocahui var. ocahui 3
Agave ovatifolia 65
3
Agave palmeri 1
Agave parryi 7
Agave parryi 'Compacta Variegata' 1
Agave parryi 'Cream Spike' 4
Agave parryi subsp. neomexicana 50
Agave parryi subsp. parryi 3
Agave parryi subsp. parryi var. huachucensis 50
Agave parryi subsp. parryi var. huachucensis 'Excelsior' 2
Agave parryi subsp. parryi var. huachucensis 'Mediopicta Alba' 1
Agave parryi subsp. parryi var. truncata 7
Agave parryi subsp. parryi var. truncata 'J.C. Raulston' 73
Agave parryi subsp. parryi var. truncata 'Variegata' 1
Agave parviflora 12
Agave parviflora (PDN #08) 3
Agave polianthiflora 6
Agave potatorum 2
Agave potatorum (hybrid) 13
Agave 'Ripple Effect' 4
Agave salmiana 213
Agave salmiana 'Crazy Horse' 8
Agave salmiana var. ferox 1
Agave salmiana var. ferox 'Green Goblet' 5
Agave salmiana var. ferox 'Logan Calhoun' 3
Agave salmiana var. ferox 'Marginata' 1
Agave scabra 85
Agave scabra (Pat McNeal) 2
Agave schidigera 61
Agave schottii 1
Agave 'Sharkskin Shoes' 3
Agave shrevei subsp. shrevei 1
Agave 'Silver Surfer' 9
Agave sisalana 2
Agave striata 4
Agave striata subsp. falcata 1
Agave striata var. striata 31
Agave stricta 2
Agave tenuifolia 9
Agave aff. tenuifolia 2
Agave toumeyana subsp. bella 2
Agave utahensis 4
Agave victoriae-reginae 30
Agave victoriae-reginae × A. lechuguilla 6
Agave weberi 'Arizona Star' 1
Agave xylonacantha 4
Ageratina ligustrina 1
Ageratum 3
Ageratum houstonianum 14
Agonis flexuosa 'After Dark' 2
Agrostemma githago 1
Agrostis nebulosa 4
Ailanthus 1
Ailanthus altissima 8
Ailanthus giraldii 2
Ainsliaea 1
Aiphanes minima 2
Ajania × Chrysanthemum 4
Ajania pacifica 20
Ajuga 8
Ajuga ×bastarda 'Sparkler' 3
Ajuga 'Dixie Chip' 1
Ajuga incisa (variegated) 3
Ajuga pyramidalis 'Metallica Crispa' 2
Ajuga reptans 5
Ajuga reptans f. albiflora 'Alba' 1
Ajuga reptans 'Atropurpurea' 3
Ajuga reptans 'Binblasca' 10
Ajuga reptans 'Burgundy Glow' 2
Ajuga reptans 'Catlin's Giant' 2
Ajuga reptans 'Golden Glow' 1
Ajuga reptans 'Pink Lightning' 3
Ajuga reptans 'Planet Zork' 1
Ajuga reptans 'Purple Brocade' 1
Ajuga reptans 'Variegata' 1
Akebia 5
Akebia longeracemosa 7
Akebia quinata 20
Akebia quinata 'Alba' 1
Akebia quinata 'Kohin Nishiki' 15
Akebia quinata (silver overlay) 5
Akebia trifoliata 1
Akebia trifoliata (gold leaf) 1
Akebia trifoliata (variegated) 3
Alangium chinense 15
Alangium platanifolium 6
Albizia 1
Albizia coreana 29
Albizia julibrissin 15
Albizia julibrissin 'Fine Wine' 1
Albizia julibrissin 'Ishii Weeping' 30
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 13
Alcea 3
Alcea rosea 20
Alcea rosea 'Nigra' 1
Alcea rugosa 2
Alchemilla 9
Alchemilla mollis 17
Alchemilla splendens 1
Alchemilla vulgaris 1
Aletris farinosa 9
Allamanda 7
Allamanda cathartica 6
Allium 88
Allium aflatunense 'Purple Sensation' 1
Allium 'Ambassador' 2
Allium caeruleum 7
Allium canadense var. florosum 'White Flag' 16
Allium carinatum subsp. pulchellum f. album 1
Allium cepa 8
Allium cernuum 6
Allium christophii 25
Allium crispum 1
Allium falcifolium 9
Allium flavum 2
Allium geyeri 3
Allium giganteum 3
Allium giganteum 'White Giant' 2
Allium 'Globemaster' 3
Allium grande 1
Allium 'Hair' 1
Allium karataviense 1
Allium 'Millennium' 10
Allium moly 2
Allium moly 'Jeannine' 3
Allium neapolitanum 4
Allium nevskianum 2
Allium oreophilum 1
Allium perdulce 1
Allium 'Pink Feathers' 12
Allium porrum 1
Allium pulchellum 10
Allium 'Rien Poortvliet' 3
Allium rosenbachianum 2
Allium sativum 4
Allium schoenoprasum 3
Allium schubertii 5
Allium senescens 2
Allium senescens 'Blue Eddy' 1
Allium senescens subsp. montanum 6
Allium speculae 2
Allium sphaerocephalon 4
Allium stellatum 10
Allium 'Sugar Melt' 5
Allium texanum 1
Allium thunbergii 1
Allium thunbergii 'Ozawa' 2
Allium tricoccum 2
Allium triquetrum 10
Allium tuberosum 22
Allium unifolium 1
Allium victorialis 1
Allium virgunculae var. kiiense 1
Alniphyllum fortunei 16
Alnus 9
Alnus cordata 12
Alnus glutinosa 5
Alnus glutinosa 'Imperialis' 4
Alnus glutinosa 'Razzmatazz' 2
Alnus hirsuta 1
Alnus rubra 2
Alocasia 8
Alocasia (A1VT-057) 2
Alocasia cucullata 2
Alocasia fallax 1
Alocasia 'Hilo Beauty' 5
Alocasia macrorrhiza 7
Alocasia macrorrhiza 'Shock Treatment' 5
Alocasia macrorrhiza 'Variegata' 16
Alocasia odora 'Okinawa Silver' 5
Alocasia 'Portodora' 12
Alocasia 'Sarian' 2
Alocasia 'Stingray' 1
Alocasia wentii 5
Alocasia wentii 'Vintage Silver' 1
Aloe 22
Aloe arborescens 7
Aloe aristata 9
Aloe barberae 2
Aloe brevifolia 1
Aloe cooperi 29
Aloe fosteri 5
Aloe 'Grassy Lassie' 13
Aloe humilis 2
Aloe maculata 27
Aloe marlothii 1
Aloe mawii 1
Aloe polyphylla 13
Aloe striatula 1
Aloe thraskii 1
Aloe vera 4
Aloe zebrina 3
×Aloinanthus 3
×Aloinanthus 'Yellow Eye' 5
Aloinopsis spathulata 20
Alopecurus pratensis 'Aureus' 1
Aloysia chamaedryfolia 3
Aloysia citriodora 3
Aloysia virgata 3
Alpinia 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 3
Alpinia zerumbet 'Variegata' 9
Alstroemeria 42
Alstroemeria aurea 2
Alstroemeria 'Freedom' 9
Alstroemeria ×hybrida 'Jazze Deep Rose' 2
Alstroemeria ×hybrida 'Jazze Mix' 1
Alstroemeria psittacina 'Variegata' 12
Alstroemeria 'Stapripal' 2
Alstroemeria 'Sweet Laura' 11
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
Alyssum 2
Alyssum oxycarpum 6
Alyssum saxatile 2
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 1
×Amarcrinum memoria-corsii 4
×Amarcrinum memoria-corsii 'Howardii' 25
×Amarygia parkeri 'Hathor' 2
Amaryllis belladonna 9
Amelanchier 16
Amelanchier alnifolia var. pumila 2
Amelanchier arborea 12
Amelanchier canadensis 1
Amelanchier canadensis 'Glenn Form' 2
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 18
Amorpha canescens 2
Amorpha fruticosa 10
Amorpha nana 3
Amorpha nitens 2
Amorphophallus 12
Amorphophallus albus 4
Amorphophallus atroviridis 1
Amorphophallus atroviridis (A1VT-218) 1
Amorphophallus atroviridis (A1VT-223) 1
Amorphophallus bulbifer 5
Amorphophallus bulbifer (AGA-072) 3
Amorphophallus dunnii 3
Amorphophallus dunnii (AGA-270) 1
Amorphophallus henryi 9
Amorphophallus kiusianus 10
Amorphophallus konjac 28
Amorphophallus paeonifolius 3
Amorphophallus pygmaeus 1
Amorphophallus titanum 9
Ampelaster carolinianus 35
Ampelopsis arborea 1
Ampelopsis brevipedunculata 1
Amsonia 2
Amsonia 'Blue Ice' 3
Amsonia ciliata 5
Amsonia ciliata var. ciliata 1
Amsonia ciliata var. filifolia 'Georgia Pancake' 10
Amsonia elliptica 19
Amsonia hubrichtii 58
Amsonia illustris 2
Amsonia peeblesii 6
Amsonia rigida 4
Amsonia tabernaemontana 25
Amsonia tabernaemontana 'Montana' 2
Amsonia tabernaemontana var. salicifolia 4
Amsonia tabernaemontana 'Short Stack' 3
Amsonia tabernaemontana var. tabernaemontana 6
Anacampseros rufescens 12
Anacyclus pyrethrum var. depressus 3
Anagallis 2
Ananas 6
Ananas bracteatus var. tricolor 2
Ananas comosus 8
Ananas lucidus 1
Anaphalioides hookeri 3
Anaphalioides trinervis 2
Anaphalis margaritacea 2
Anaphalis morrisonicola 2
Anaphalis triplinervis 1
Anchusa azurea 6
Andrachne colchica 1
Andromeda 2
Andromeda polifolia 1
Andromeda polifolia 'Nana' 2
Andropogon 1
Andropogon gerardii 'Lord Snowden's Big Blue' 3
Andropogon glomeratus 2
Andropogon virginicus var. glaucus 'Silver Beauty' 3
Androsace bulleyana 8
Androsace lanuginosa 4
Androsace pyrenaica 2
Androsace sempervivoides 1
Androsace septentrionalis 4
Anemanthele lessoniana 1
Anemia tomentosa 'Tucuman' 3
Anemone 25
Anemone blanda 11
Anemone blanda 'Blue Shades' 2
Anemone blanda 'Violet Star' 2
Anemone blanda 'White Splendor' 5
Anemone coronaria 9
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 2
Anemone multifida 3
Anemone multifida var. multifida 6
Anemone multifida var. saxicola 4
Anemone narcissiflora var. zephyra 10
Anemone nemorosa 3
Anemone nemorosa 'Robinsoniana' 1
Anemone nemorosa 'Vestal' 3
Anemone occidentalis 9
Anemone quinquefolia 9
Anemone rivularis 5
Anemone tomentosa 'Albadura' 1
Anemone virginiana 6
Anemone vitifolia 4
Anemonella thalictroides 31
Anemonella thalictroides 'Betty Blake' 2
Anemonella thalictroides 'Cameo' 2
Anemonella thalictroides f. rosea 'Oscar Schoaf' 3
Anemonoides nemorosa 1
Anemopsis californica 2
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 8
Anisacanthus quadrifidus var. wrightii 'Pumpkin' 3
Anisodontea capensis 2
Annona muricata 4
Anopterus glandulosus 3
Antennaria 10
Antennaria dioica 'Rotes Wunder' 2
Antennaria dioica 'Rubra' 2
Antennaria rosea 3
Anthemis 3
Anthemis sancti-johannis 1
Anthemis tinctoria 'Johanna Mitchell' 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 2
Antirrhinum braun-blanquetii 14
Antirrhinum 'Dulcinea's Heart' 3
Antirrhinum hispanicum 36
Antirrhinum hispanicum 'Roseum' 6
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
Aponogeton distachyos 12
Aquilegia 50
Aquilegia atrata 1
Aquilegia bertolonii 1
Aquilegia caerulea 1
Aquilegia canadensis 21
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 ×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 ferdinandi-coburgii 'Variegata' 2
Arabis procurrens 3
Arachis hypogaea 5
Arachniodes simplicior 2
Arachniodes standishii 6
Araiostegia pseudocystopteris 1
Aralia 13
Aralia cachemirica 2
Aralia californica 4
Aralia cordata 9
Aralia cordata 'Sun King' 13
Aralia elata 4
Aralia elata 'Aureovariegata' 8
Aralia elata 'Silver Umbrella' 16
Aralia elata 'Variegata' 8
Aralia nudicaulis 2
Aralia racemosa 4
Aralia spinosa 15
Araliopsis 1
Araucaria 13
Araucaria angustifolia 12
Araucaria araucana 95
Araucaria bidwillii 6
Araucaria columnaris 4
Araucaria cunninghamia var. papuana 3
Araucaria heterophylla 17
Araucaria hunsteinii 3
Araucaria rulei 5
Araujia sericifera 2
Arbutus 13
Arbutus ×andrachnoides 7
Arbutus canariensis 9
Arbutus 'Marina' 13
Arbutus menziesii 38
Arbutus unedo 9
Arbutus unedo 'Compacta' 14
Arbutus unedo 'Elfin King' 42
Arctostaphylos 9
Arctostaphylos arguta 1
Arctostaphylos ×coloradensis 1
Arctostaphylos ×coloradensis 'Panchito' 4
Arctostaphylos ×media 'Wood's Red' 2
Arctostaphylos uva-ursi 10
Arctostaphylos uva-ursi 'Massachusetts' 4
Arctostaphylos uva-ursi 'Vancouver Jade' 2
Arctostaphylos viscida 5
Arctotheca calendula 3
Arctotis 1
Arctotis acaulis 1
Arctotis adpressa 2
Arctotis 'Archnah' 1
Arctotis 'Cherry Silk' 5
Arctotis 'Midnight Red' 1
Arctotis venusta 1
Ardisia 2
Ardisia crenata 13
Ardisia crenata 'Beni Kujaku' 10
Ardisia crenata 'Haku Ho' 5
Ardisia crenata 'Shiromi Daikokuten' 3
Ardisia crenata (white-fruited) 2
Ardisia crispa 2
Ardisia japonica 12
Ardisia japonica 'Amanogawa' 1
Ardisia japonica 'Chirimen' 9
Ardisia japonica 'Hakuokan' 2
Ardisia japonica 'Hinode' 2
Ardisia japonica 'Houkan' 4
Ardisia japonica 'Maruyama Sunago' 2
Ardisia squamulosa 2
Ardisia violacea 1
Ardisia aff. violacea 1
Arenaria alfacarensis 5
Arenaria fendleri 7
Arenaria montana 2
Arenaria montana 'Avalanche' 1
Argemone 1
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 38
Arisaema amurense var. amurense 1
Arisaema angustatum var. peninsulae 5
Arisaema candidissimum 10
Arisaema ciliatum 4
Arisaema ciliatum var. liubaence 9
Arisaema concinnum 5
Arisaema consanguineum 11
Arisaema consanguineum (silver center) 2
Arisaema 'Crossing Over' 2
Arisaema dahaiense 3
Arisaema dracontium 3
Arisaema erubescens 5
Arisaema fargesii 9
Arisaema formosanum 7
Arisaema grapsospadix 3
Arisaema griffithii 8
Arisaema heterophyllum 11
Arisaema kiushianum 8
Arisaema nepenthoides 1
Arisaema ringens 42
Arisaema saxatile 4
Arisaema sazensoo 7
Arisaema serratum 5
Arisaema serratum var. serratum 2
Arisaema serratum var. serratum 'Ulleung Treasure' 2
Arisaema sikokianum 14
Arisaema sylvestrii 2
Arisaema taiwanense 31
Arisaema taiwanense (silver sheen) 4
Arisaema thunbergii 11
Arisaema thunbergii subsp. urashima 15
Arisaema thunbergii subsp. urashima 'Stormy Seas' 3
Arisaema tortuosum 4
Arisaema tosaense 7
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 3
Aristolochia fimbriata 26
Aristolochia gigantea 6
Aristolochia macrophylla 1
Aristolochia manshuriensis 2
Aristolochia zollingeriana 2
Aristotelia serrata 2
Armeria 11
Armeria cinerea 17
Armeria leucocephala 1
Armeria maritima 9
Armeria rouyana 3
Armeria villosa 1
Armeria welwitschii 2
Armoracia rusticana 3
Arnica cordifolia 3
Aronia 7
Aronia arbutifolia 4
Aronia arbutifolia 'Brilliantissima' 9
Aronia melanocarpa 2
Artemisia 36
Artemisia abrotanum 2
Artemisia borealis 2
Artemisia dracunculus 1
Artemisia frigida 2
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 cirratum 2
Arthropodium cirratum 'Parnell' 3
Arthropodium cirratum 'White Spire' 3
Artocarpus altilis 3
Artocarpus incisus 4
Arum 2
Arum concinnatum 12
Arum creticum 6
Arum cyrenaicum × A. concinnatum 2
Arum dioscoridis 7
Arum dioscoridis var. dioscoridis 3
Arum italicum (#1) 4
Arum italicum 'Great Barfield' 2
Arum italicum subsp. italicum 37
Arum italicum subsp. italicum (#026.B black spots) 4
Arum italicum 'Jet Black Wonder' 4
Arum maculatum 1
Arum pictum 11
Aruncus 5
Aruncus aethusifolius 1
Aruncus dioicus 8
Arundina graminifolia 6
Arundinaria 1
Arundinaria pygmaea 2
Arundinaria viridistriata 1
Arundo 1
Arundo donax 4
Arundo donax 'Golden Chain' 14
Arundo donax 'Peppermint Stick' 1
Arundo donax 'Variegata' 18
Asarina procumbens 9
Asarum 51
Asarum arifolium 6
Asarum asaroides 8
Asarum asperum 6
Asarum campaniflorum 8
Asarum canadense 6
Asarum caudatum 10
Asarum caudigerum 4
Asarum caulescens 1
Asarum crassum 2
Asarum crispulatum 2
Asarum debile 3
Asarum delavayi 12
Asarum europaeum 6
Asarum forbesii 3
Asarum hartwegii 1
Asarum hexalobum 1
Asarum hirsutisepalum 21
Asarum hypogynum 11
Asarum ichangense 2
Asarum kumageanum 10
Asarum lemmonii 2
Asarum lewisii 1
Asarum longirhizomatosum 3
Asarum macranthum 20
Asarum macranthum (A1TW-001c) 4
Asarum macranthum (A1TW-171c) 1
Asarum macranthum (A1TW-171e) 2
Asarum marmoratum 2
Asarum maximum 7
Asarum maximum 'Ling Ling' 7
Asarum megacalyx 4
Asarum minamitanianum 3
Asarum minus 4
Asarum minus (A1NC-006) 2
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 shuttleworthii 1
Asarum shuttleworthii var. harperi 2
Asarum shuttleworthii var. harperi 'Callaway' 4
Asarum sieboldii 2
Asarum simile 2
Asarum (species 3) 2
Asarum speciosum 1
Asarum speciosum 'Woodlander's Select' 2
Asarum splendens 14
Asarum subglobosum 1
Asarum aff. taipingshanianum 2
Asarum taipingshanianum 7
Asarum takaoi 'Roundabout' 6
Asarum takaoi 'Sekkyo' 2
Asarum virginicum 5
Asclepias 7
Asclepias aspernla 2
Asclepias curassavica 2
Asclepias fascicularis 1
Asclepias hallii 2
Asclepias incarnata 11
Asclepias lanceolata 3
Asclepias linearis 1
Asclepias speciosa 4
Asclepias syriaca 2
Asclepias tuberosa 44
Asclepias tuberosa (orange-red) 8
Asclepias tuberosa subsp. tuberosa 57
Asclepias tuberosa (yellow) 5
Asimina angustifolia 13
Asimina parviflora 1
Asimina triloba 13
Asparagus 3
Asparagus cochinchinensis 5
Asparagus densiflorus 3
Asparagus densiflorus Sprengeri Group 5
Asparagus densiflorus [Sprengeri Group] 'Graham's Mini' 2
Asparagus denudatus 11
Asparagus (Ellington) 11
Asparagus filicinus 2
Asparagus microraphis 6
Asparagus officinalis 10
Asparagus setaceus 6
Asparagus suaveolens (Penrock form) 4
Asparagus virgatus 8
Asparagus volubilis 2
Asperula boissieri 2
Asperula gussonii 3
Asperula orientalis 5
Asphodeline 3
Asphodeline liburnica 7
Asphodeline lutea 10
Asphodeline taurica 3
Asphodelus 5
Asphodelus albus 4
Asphodelus cerasiferus 2
Asphodelus fistulosus 4
Aspidistra 1
Aspidistra elatior 6
Aspidistra elatior 'Asahi' 31
Aspidistra elatior var. attenuata 1
Aspidistra elatior (bright spots) 2
Aspidistra elatior 'Ippin' 1
Aspidistra elatior (large pale spots) 1
Aspidistra elatior 'Milky Way' 1
Aspidistra elatior 'Okame' 2
Aspidistra elatior 'Sekko Kan' 3
Aspidistra elatior 'Snow Cap' 1
Aspidistra elatior 'Taihou' 1
Aspidistra lurida 'Ginga' 1
Aspidistra (pale spots) 1
Aspidistra 'Spektacular' 1
Aspidistra (spotted) 1
Aspidistra tonkinensis 'Clouded Leopard' 4
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 3
Asplenium scolopendrium 'Undulatum' 1
Astelia 1
Astelia banksii 2
Astelia chathamica 4
Astelia graminea 1
Astelia grandis 1
Astelia nervosa 3
Astelia petriei 1
Astelia 'Red Devil' 1
Astelia trinervia 1
Aster 26
Aster ageratoides 'Ashvi' 4
Aster ageratoides 'Ezo Murasaki' 7
Aster alpinus 1
Aster cordifolius 2
Aster grandiflorus 1
Aster himalaicus 2
Aster laevis 'Calliope' 1
Aster lateriflorus 1
Aster sikkimmensis 1
Aster tataricus 20
Aster tataricus 'Jindai' 7
Aster turbinellus 7
Asteriscus maritimus 1
Astilbe 41
Astilbe chinensis 2
Astilbe chinensis 'Maggie Daley' 3
Astilbe chinensis 'Pumila' 3
Astilbe chinensis 'Visions' 4
Astilbe 'Deutschland' 2
Astilbe longicarpa 4
Astilbe ×rosea 'Peach Blossom' 1
Astilbe simplicifolia 'Darwin's Snow Sprite' 3
Astilboides tabularis 4
Astragalus 5
Astragalus crassicarpus 3
Astragalus curvicarpus 3
Astragalus filipes 2
Astragalus kentrophyta var. implexus 4
Astragalus molybdenus 2
Astragalus purshii 4
Astrantia major 8
Astrantia major 'Alba' 3
Astrantia major 'Sunningdale Variegated' 4
Astrolepis windhamii 3
Astrophytum myriostigma 1
Asystasia gangetica 1
Athrotaxis cupressoides 4
Athrotaxis selaginoides 4
Athyrium 2
Athyrium filix-femina 6
Athyrium filix-femina 'Cruciato-cristatum' 2
Athyrium filix-femina 'Victoriae' 5
Athyrium niponicum 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
Atriplex 1
Atriplex canescens 3
Atriplex confertifolia 3
Atropa bella-donna 3
Attalea 2
Aubrieta 5
Aucuba 18
Aucuba chinensis 6
Aucuba aff. chlorescens 3
Aucuba aff. confertiflora 1
Aucuba himalaica 3
Aucuba himalaica var. dolichophylla 3
Aucuba japonica 19
Aucuba japonica 'Arashiyama' 1
Aucuba japonica var. borealis 1
Aucuba japonica 'Cho Dai Ji' 1
Aucuba japonica 'Clent Wortley Hall' 1
Aucuba japonica (cream-white, contorted) 2
Aucuba japonica 'Crotonifolia' 8
Aucuba japonica 'Daisuke's Tiger' 1
Aucuba japonica 'Eclipse' 1
Aucuba japonica 'February Star' 2
Aucuba japonica 'Gold Dust' 1
Aucuba japonica (gold spot flushing) 1
Aucuba japonica 'Golden Girl' 2
Aucuba japonica 'Goldieana' 1
Aucuba japonica (Hamilton huge leaf) 1
Aucuba japonica 'Hime Kikufurin' 3
Aucuba japonica 'Hosoba Hoshifu' 5
Aucuba japonica 'Lancifolia' 2
Aucuba japonica 'Lemon Flare' 1
Aucuba japonica 'Leucocarpa' 2
Aucuba japonica 'Limbata' 5
Aucuba japonica f. longifolia 3
Aucuba japonica 'Meigetsu' 5
Aucuba japonica 'Nana Rotundifolia' 1
Aucuba japonica 'Natsu-no-kumo' 8
Aucuba japonica 'Ōba Nakafu' 5
Aucuba japonica (Paul James seedling #6) 4
Aucuba japonica 'Picturata' 1
Aucuba japonica 'Rozannie' 1
Aucuba japonica 'Shilpot' 2
Aucuba japonica 'Shuugetsu' 9
Aucuba japonica 'Speckles' 1
Aucuba japonica 'Sulphurea Marginata' 1
Aucuba japonica 'Suruga Benten' 6
Aucuba japonica (USNA #3 - female) 2
Aucuba japonica (USNA #4) 4
Aucuba obcordata 3
Aucuba omeiensis 10
Aucuba (sp. 1) 1
Aucuba (sp. 2) 1
Aucuba (sp. 3) 1
Aurinia 8
Aurinia saxatilis 9
Aurinia saxatilis 'Variegata' 1
Austrocedrus chilensis 10
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 8
Babiana 6
Baccharis 5
Baccharis angustifolia 3
Baccharis glutinosa 1
Baccharis halimifolia 8
Baccharis pilularis 4
Bactris gasipaes 2
Bahia ambrosioides 2
Bahia dissecta 2
Balanophora 1
Balantium antarcticum 9
Ballota acetabulosa 1
Ballota pseudodictamnus 7
Balsamorhiza 1
Balsamorhiza macrolepis 6
Bambusa 3
Bambusa malingensis 1
Bambusa multiplex 'Alphonse Karr' 3
Bambusa multiplex 'Fernleaf' 3
Bambusa multiplex 'Green Giant' 2
Bambusa multiplex 'Riviereorum' 3
Bambusa multiplex 'Tiny Fern' 2
Bambusa multiplex 'Wang Tsai' 1
Bambusa oldhamii 4
Bambusa textilis 'Kanapaha' 2
Bambusa tuldoides 2
Bambusa vulgaris 'Vittata' 4
Banksia 5
Banksia 'Giant Candles' 4
Banksia integrifolia 9
Banksia integrifolia 'Rollercoaster' 2
Banksia prionotes 1
Baptisia 150
Baptisia alba 3
Baptisia alba var. alba 7
Baptisia alba var. alba Pendula Group 21
Baptisia albescens 2
Baptisia arachnifera 6
Baptisia arachnifera × B. simplicifolia 5
Baptisia australis 8
Baptisia ×bicolor 'Starlite' 3
Baptisia 'Blueberry Sundae' 3
Baptisia bracteata 1
Baptisia bracteata var. glabrescens 'Butterball' 1
Baptisia 'Cherries Jubilee' 4
Baptisia 'Chocolate Chip' 3
Baptisia cinerea 5
Baptisia (lavender) 30
Baptisia 'Lemon Meringue' 3
Baptisia megacarpa 5
Baptisia minor var. minor 3
Baptisia nuttalliana 8
Baptisia (pale pink) 24
Baptisia perfoliata 1
Baptisia 'Purple Smoke' 17
Baptisia simplicifolia 11
Baptisia sphaerocarpa 23
Baptisia sphaerocarpa 'Screaming Yellow' 9
Baptisia sulphurea 4
Baptisia ×variicolor 'Twilite' 3
Baptisia viridis 2
Barbarea vulgaris 1
Barleria obtusa 4
Barthea barthei 2
Bauera rubioides 'Ruby Glow' 2
Bauhinia 28
Bauhinia bartlettii 2
Bauhinia blakeana 10
Bauhinia corymbosa 1
Bauhinia faberi 1
Bauhinia galpinii 1
Bauhinia tomentosa 6
Bauhinia variegata 2
Bauhinia yunnanensis 3
Beaucarnea recurvata 7
Beaumontia grandiflora 2
Beesia calthifolia 11
Beesia deltophylla 4
Begonia 75
Begonia 'Bepapink' 4
Begonia 'Black Velvet' 1
Begonia boliviensis 8
Begonia boliviensis 'Santa Cruz Sunset' 11
Begonia boliviensis 'Yadev' 3
Begonia boliviensis 'Yamance' 6
Begonia chitoensis 16
Begonia ×chungii (DJHT 99168) 3
Begonia coccinea 'Sinbad' 1
Begonia cucullata 3
Begonia diadema 1
Begonia (DJHT 99167) 1
Begonia emeiensis 3
Begonia emeiensis (DJHC 98479) 2
Begonia 'Escargot' 2
Begonia 'Garden Angel Blush' 4
Begonia 'Gertrude Thompson' 3
Begonia grandis 19
Begonia grandis 'Heron's Pirouette' 1
Begonia grandis subsp. sinensis 2
Begonia 'Gryphon' 1
Begonia henryi (T116/03) 1
Begonia heracleifolia 3
Begonia heracleifolia var. nigricans 7
Begonia Hiemalis Group 2
Begonia hirtella 3
Begonia 'Kaylen' 11
Begonia luxurians 5
Begonia manicata 'Crispa' 4
Begonia masoniana 1
Begonia 'Metalic Mist' 5
Begonia paleata 1
Begonia pedatifida 3
Begonia pedatifida (red stem form) 1
Begonia 'Pewterware' 2
Begonia 'Red China' 2
Begonia 'Red Empress' 7
Begonia 'Richmondensis' 1
Begonia 'River Nile' 2
Begonia Semperflorens-cultorum Group 94
Begonia Semperflorens-cultorum Group (hardy white) 3
Begonia silletensis 3
Begonia 'Silver Splendor' 12
Begonia sutherlandii 1
Begonia ×taipeiensis 9
Begonia taiwaniana 2
Begonia taiwaniana f. albomaculata 1
Begonia taliensis 4
Begonia taliensis (Heronwood best form) 3
Begonia ×tuberhybrida 40
Begonia ×tuberhybrida 'Pin Up' 3
Begonia ×tuberhybrida 'Pin Up Flame' 1
Begonia urophylla 4
Begonia 'Withlacoochee' 1
Begonia xanthina 1
Belamcanda 2
Belamcanda chinensis 5
Belamcanda chinensis 'Hello Yellow' 7
Bellevalia pycnantha 5
Bellis perennis 4
Berberidopsis corallina 3
Berberis 50
Berberis aggregata 1
Berberis aristata 5
Berberis ×bristolensis 1
Berberis buxifolia 2
Berberis buxifolia 'Pygmaea' 2
Berberis chinensis 6
Berberis coxii 1
Berberis darwinii 9
Berberis ×frikartii 'Amstelveen' 2
Berberis gagnepainii 1
Berberis gilgiana 6
Berberis ×gladwynensis 'William Penn' 7
Berberis gyalaica 6
Berberis hayatana 2
Berberis henryana 5
Berberis insignis 1
Berberis jamesiana 6
Berberis julianae 5
Berberis julianae 'Spring Glory' 13
Berberis koreana 4
Berberis koreana 'Red Tears' 3
Berberis lempergiana 15
Berberis ×lologensis 2
Berberis ×lologensis 'Apricot Queen' 4
Berberis lycium 3
Berberis ×media 'Parkjuweel' 4
Berberis ×media 'Red Jewel' 3
Berberis nummularia 2
Berberis ×ottawensis 'Concorde' 10
Berberis ×ottawensis 'Crimson Velvet' 4
Berberis ×ottawensis 'Silver Miles' 4
Berberis replicata 20
Berberis sanguinea 9
Berberis ×stenophylla 1
Berberis ×stenophylla 'Corallina' 3
Berberis ×stenophylla 'Irwinii' 3
Berberis 'Tara' 4
Berberis thunbergii 5
Berberis thunbergii var. atropurpurea 15
Berberis thunbergii var. atropurpurea 'Admiration' 4
Berberis thunbergii var. atropurpurea 'Bagatelle' 2
Berberis thunbergii var. atropurpurea 'Bailone' 2
Berberis thunbergii var. atropurpurea 'Bailtwo' 1
Berberis thunbergii var. atropurpurea 'Concorde' 1
Berberis thunbergii var. atropurpurea 'Golden Ring' 14
Berberis thunbergii var. atropurpurea 'Helmond Pillar' 6
Berberis thunbergii 'Atropurpurea Nana' 1
Berberis thunbergii var. atropurpurea 'Red Rocket' 2
Berberis thunbergii var. atropurpurea 'Rose Glow' 1
Berberis thunbergii 'Aurea' 4
Berberis thunbergii 'Aurea Nana' 6
Berberis thunbergii 'Bogozam' 7
Berberis thunbergii 'Kelleriis' 6
Berberis thunbergii 'Orange Rocket' 1
Berberis thunbergii 'Pow-wow' 1
Berberis thunbergii 'Talago' 1
Berberis valdiviana 4
Berberis wilsoniae 7
Berberis wilsoniae 'Ace' 1
Berberis wilsoniae var. stapfiana 3
Berberis ×wisleyensis 2
Berchemia 3
Berchemia racemosa 2
Bergenia 7
Bergenia 'Apple Blossom' 1
Bergenia ciliata 11
Bergenia cordifolia 11
Bergenia 'Morgenröte' 7
Bergeranthus glenensis 1
Bergeranthus katsburgensis 10
Bergeranthus katsburgensis 'Cathcart' 1
Berkheya purpurea 3
Berkheya purpurea 'Zulu Warrior' 10
Berlandiera lyrata 4
Berlandiera pumila 12
Berlandiera subacaulis 43
Berzelia lanuginosa 2
Beschorneria 8
Beschorneria albiflora 6
Beschorneria (B. dekosteriana × B. septentrionalis) × B. septentrionalis 17
Beschorneria septentrionalis 29
Beschorneria septentrionalis 'John Fairey' 2
Beschorneria tubiflora 5
Beschorneria yuccoides 50
Beschorneria yuccoides 'Reality' 1
Bessera elegans 3
Besseya alpina 2
Beta vulgaris 17
Beta vulgaris var. cicla 'Bright Lights' 1
Betula 57
Betula albosinensis 3
Betula albosinensis 'K. Ashburner' 1
Betula albosinensis 'Ness' 1
Betula albosinensis var. septentrionalis 6
Betula alleghaniensis 1
Betula apoiensis 4
Betula costata 3
Betula ermanii 5
Betula 'Fetisowii' 1
Betula lenta 2
Betula medwedewii 2
Betula nigra 25
Betula nigra 'Heritage' 9
Betula nigra 'Improved Heritage' 2
Betula nigra 'Little King' 5
Betula nigra 'Studetec' 3
Betula nigra 'Summer Cascade' 16
Betula occidentalis 3
Betula papyrifera 10
Betula pendula 17
Betula pendula 'Dalecarlica' 3
Betula pendula 'Purpurea' 2
Betula pendula 'Tristis' 2
Betula pendula 'Trost's Dwarf' 2
Betula pendula 'Youngii' 9
Betula platyphylla 1
Betula platyphylla var. japonica 2
Betula populifolia 1
Betula pubescens 2
Betula tianschanica 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 3
Bidens ferulifolia 'Bidy Gonzales' 1
Bidens ferulifolia 'Sunbeam' 1
Bigelowia nudata subsp. nudata 1
Bignonia 1
Bignonia capreolata 22
Bignonia capreolata 'Atrosanguinea' 7
Bignonia capreolata 'Jekyll' 31
Bignonia capreolata 'Tangerine Beauty' 5
Billardiera heterophylla 2
Billardiera heterophylla 'Pink Charmer' 1
Billardiera longiflora 5
Bischofia polycarpa 2
Bismarckia nobilis 3
Bixa orellana 3
Blechnum chambersii 1
Blechnum chilense 3
Blechnum cycadifolium 1
Blechnum discolor 1
Blechnum durum 1
Blechnum filiforme 2
Blechnum fluviatile 1
Blechnum gibbum 1
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 striata 42
Bletilla striata 'Alba' 11
Bletilla striata 'Gotemba Stripes' 4
Bletilla striata 'Ogon' 8
Bletilla striata 'Tri-Lips' 2
Bletilla striata 'Variegata' 1
Bletilla 'Sweet Lips' 8
Bocconia arborea 3
Boehmeria nipononivea 'Kogane Mushi' 6
Boehmeria nivea 2
Boehmeria nivea var. tenacissima 2
Boehmeria platanifolia 3
Boehmeria sieboldiana 1
Boehmeria tricuspis 3
Boesenbergia longiflora 2
Boltonia 2
Bomarea 9
Bombax ceiba 2
Bommeria hispida 1
Borago officinalis 5
Boronia denticulata 1
Boronia heterophylla 4
Botrychium 3
Botrychium virginianum 4
Bougainvillea 19
Bougainvillea 'Hawaii' 1
Bouteloua 4
Bouteloua gracilis 6
Bouteloua gracilis 'Blonde Ambition' 6
Bouvardia 1
Bouvardia ternifolia 3
Boykinia occidentalis 4
Brachychiton acerifolius 3
Brachyglottis 3
Brachyglottis compacta 4
Brachyglottis [Dunedin Group] 'Crustii' 1
Brachyglottis elaeagnifolia 'Joseph Armstrong' 1
Brachyglottis greyi 2
Brachyglottis greyi 'Sunshine' 2
Brachyglottis laxifolia 2
Brachyglottis repanda 8
Brachyglottis repanda 'Purpurea' 3
Brachyscome multifida 1
Brahea aculeata 1
Brahea armata 8
Brahea brandegeei 2
Brahea edulis 3
Brahea moorei 3
Brasenia schreberi 4
Brassaiopsis fatsioides 1
Brassia 1
Brassica 19
Brassica juncea 2
Brassica oleracea 84
Brassica oleracea var. acephala 'Peacock Red' 2
Brassica oleracea var. botrytis 3
Brassica oleracea var. italica 2
Brassica oleracea 'Winterbor' 1
Brassica rapa var. chinensis 'Joi Choi' 1
×Brassolaelia 'Yellow Bird' 2
Bretschneidera sinensis 1
Breynia nivosa 3
Briggsia chienii 10
Brillantaisia subulugurica 2
Briza media 6
Briza minor 1
Brodiaea 3
Brodiaea coronaria 2
Broussonetia kazinoki 4
Broussonetia papyrifera 2
Broussonetia papyrifera 'Golden Shadow' 8
Browallia 3
Browallia 'Mary Blue' 1
Browallia speciosa 2
Brugmansia 14
Brugmansia 'Charles Grimaldi' 1
Brugmansia 'Inca Sun' 21
Brugmansia 'Jamaican Yellow' 2
Brugmansia 'Peaches & Cream' 1
Brugmansia sanguinea 6
Brugmansia suaveolens 1
Brugmansia suaveolens 'Little Angel' 2
Brugmansia 'Sunset' 1
Brunfelsia pauciflora 1
Brunnera macrophylla 8
Brunnera macrophylla 'Alexander's Great' 4
Brunnera macrophylla 'Emerald Mist' 3
Brunnera macrophylla 'Hadspen Cream' 1
Brunnera macrophylla 'Jack Frost' 3
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 36
Buddleja alternifolia 3
Buddleja asiatica 4
Buddleja 'Blizzard' 1
Buddleja 'Blue Chip' 71
Buddleja 'Blue Chip Jr' 1
Buddleja colvilei 8
Buddleja cordata 13
Buddleja crispa 6
Buddleja davidii 11
Buddleja davidii 'Attraction' 3
Buddleja davidii 'Black Knight' 2
Buddleja davidii 'Dartmoor' 3
Buddleja davidii 'Dubonnet' 1
Buddleja davidii 'Evil Ways' 15
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' 2
Buddleja davidii 'Pink Beauty' 3
Buddleja davidii 'Red Plume' 10
Buddleja davidii 'Royal Red' 1
Buddleja davidii 'White Bouquet' 1
Buddleja 'Ellen's Blue' 4
Buddleja fallowiana var. alba 2
Buddleja forrestii 3
Buddleja globosa 13
Buddleja japonica 1
Buddleja 'Lilac Chip' 9
Buddleja lindleyana 17
Buddleja 'Lochinch' 4
Buddleja loricata 7
Buddleja marrubiifolia 18
Buddleja 'Miss Molly' 19
Buddleja 'Miss Ruby' 15
Buddleja 'Morning Mist' 33
Buddleja aff. nivea 1
Buddleja 'Pink Micro Chip' 2
Buddleja 'Purple Haze' 4
Buddleja salviifolia 4
Buddleja 'Summer Frost' 19
Buddleja 'Summer Skies' 2
Buddleja 'Vashon Skies' 1
Buddleja ×weyeriana 'Honeycomb' 3
Bukiniczia cabulica 8
Bulbine 1
Bulbine abyssinica 13
Bulbine frutescens 1
Bulbinella hookeri 6
Bulbocodium vernum 6
Bupleurum fruticosum 5
Burbidgea schizocheila 3
Butia capitata 28
Butia catarinensis 2
Butia eriospatha 1
Butia yatay 4
×Butiagrus nabonnandii 2
Buxus 77
Buxus bodinieri 6
Buxus harlandii 18
Buxus henryi 2
Buxus 'Himalayensis' 1
Buxus microphylla 1
Buxus microphylla 'Compacta' 1
Buxus microphylla 'Curly Locks' 4
Buxus microphylla var. japonica 2
Buxus microphylla var. japonica 'Morris Dwarf' 1
Buxus microphylla var. japonica 'Morris Midget' 1
Buxus microphylla 'John Baldwin' 1
Buxus rugulosa var. prostrata 3
Buxus sempervirens 41
Buxus sempervirens 'Argenteovariegata' 3
Buxus sempervirens 'Aureovariegata' 3
Buxus sempervirens 'Belleville' 1
Buxus sempervirens 'Bullata' 2
Buxus sempervirens 'Dee Runk' 2
Buxus sempervirens 'Elegantissima' 14
Buxus sempervirens 'Fastigiata' 1
Buxus sempervirens 'Graham Blandy' 2
Buxus sempervirens 'Jensen' 1
Buxus sempervirens (Kew weeping) 1
Buxus sempervirens 'Kingsville' 1
Buxus sempervirens 'Latifolia Marginata' 1
Buxus sempervirens 'Memorial' 3
Buxus sempervirens 'Pyramidalis' 1
Buxus sempervirens 'Salicifolia Elata' 1
Buxus sempervirens 'Suffruticosa' 6
Buxus sempervirens 'Unraveled' 16
Buxus sempervirens 'Vardar Valley' 6
Buxus sempervirens 'Welleri' 1
Buxus sinica 10
Buxus sinica var. insularis 4
Buxus sinica var. insularis 'Justin Brouwers' 3
Buxus sinica var. insularis 'Nana' 3
Buxus sinica var. insularis (spreading dwarf) 1
Buxus sinica var. insularis 'Sunburst' 3
Buxus sinica var. insularis 'Tide Hill' 1
Buxus sinica var. insularis 'Wintergreen' 2
Buxus sinica 'Kinsha' 3
Buxus wallichiana 7
Cacalia delphiniifolia 1
Caesalpinia 6
Caesalpinia gilliesii 15
Caesalpinia pulcherrima 3
Caladium 54
Caladium 'Yellow Blossom' 2
Calamagrostis ×acutiflora 'Avalanche' 2
Calamagrostis ×acutiflora 'Overdam' 1
Calamagrostis brachytricha 8
Calamintha 4
Calanthe 10
Calanthe argenteostriata 4
Calanthe discolor 1
Calanthe discolor 'Snowcrest' 4
Calanthe reflexa 4
Calanthe sieboldii 5
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 4
Calibrachoa 'Balcabhopi' 1
Calibrachoa 'Cal Britreeda' 2
Calibrachoa 'Cal Scare08' 3
Calibrachoa 'Cal Whit09' 1
Calliandra 5
Calliandra haematocephla 7
Calliandra haematocephla 'Nana' 2
Calliandra tergemina var. emarginata 2
Callicarpa 29
Callicarpa acuminata 65
Callicarpa americana 13
Callicarpa americana 'Berries and Cream' 14
Callicarpa americana var. lactea 6
Callicarpa americana 'Welch's Pink' 32
Callicarpa bodinieri var. giraldii 'Profusion' 3
Callicarpa brevipes 1
Callicarpa cathayana 4
Callicarpa dichotoma 9
Callicarpa dichotoma f. albifructa 11
Callicarpa dichotoma 'Duet' 11
Callicarpa dichotoma 'Issai' 7
Callicarpa dichotoma 'Splashy' 2
Callicarpa dichotoma 'Spring Gold' 3
Callicarpa dichotoma (variegated) 5
Callicarpa formosana 7
Callicarpa japonica 6
Callicarpa japonica 'Heavy Berry' 8
Callicarpa japonica 'Leucocarpa' 2
Callicarpa japonica 'Shiji Murasaki' 11
Callicarpa kochiana 'Yamaguchi Variegated' 1
Callicarpa kwangtungensis 8
Callicarpa aff. luteopunctata (white fruited) 1
Callicarpa oshimensis 6
Callicarpa rubella 1
Callicarpa shikokiana 7
Callicarpa tosaensis 9
Callicarpa 'Virginia' 3
Callirhoe bushii 3
Callirhoe digitata 1
Callirhoe involucrata 39
Callirhoe involucrata var. tenuissima 12
Callirhoe papaver 1
Callistemon 8
Callistemon brachyandrus 9
Callistemon citrinus 6
Callistemon linearis 2
Callistemon pinifolius 2
Callistemon rigidus 2
Callistemon rigidus 'Clemson Hardy' 2
Callistemon salignus 2
Callistemon subulatus 2
Callistemon viminalis 2
Callistemon viridiflorus 5
Callistemon 'Woodlander's Red' 21
Callistephus chinensis 9
Callitris oblonga 3
Callitris rhomboidea 2
Calluna 47
Calluna vulgaris 24
Calluna vulgaris 'Arina' 2
Calluna vulgaris 'Aurea' 1
Calluna vulgaris 'Dark Star' 3
Calluna vulgaris 'David Eason' 1
Calluna vulgaris 'Gold Haze' 1
Calluna vulgaris 'Golden Carpet' 17
Calluna vulgaris 'H. E. Beale' 1
Calluna vulgaris 'Mousehole' 2
Calluna vulgaris 'Peter Sparkes' 2
Calluna vulgaris 'Schurig's Sensation' 1
Calluna vulgaris 'Silver Knight' 2
Calluna vulgaris 'White Lawn' 4
Calocedrus 1
Calocedrus decurrens 16
Calocedrus decurrens 'Aureovariegata' 4
Calocedrus decurrens 'Berrima Gold' 7
Calocedrus formosana 1
Calocedrus macrolepis var. macrolepis 3
Calocedrus rupestris 2
Calochortus 15
Calochortus albus 1
Calochortus amabilis 1
Calochortus 'Cupido' 5
Calochortus gunnisonii 9
Calochortus luteus 'Golden Orb' 10
Calochortus superbus 12
Calochortus tolmiei 8
Calochortus venustus 14
Calopogon tuberosus 11
Calopsis paniculata 4
Calpurnia aurea 2
Caltha leptosepala 13
Caltha palustris 14
Caltha palustris var. orientali-sinensis 1
Calycanthus 'Aphrodite' 6
Calycanthus chinensis 61
Calycanthus floridus 14
Calycanthus floridus 'Athens' 13
Calycanthus floridus (Georgia giant) 6
Calycanthus floridus var. glaucus 7
Calycanthus floridus 'Michael Lindsay' 3
Calycanthus occidentalis 9
Calycanthus ×raulstonii 2
Calycanthus ×raulstonii 'Hartlage Wine' 85
Calycanthus 'Venus' 49
Calydorea coelestina 4
Calylophus 2
Calylophus drummondii (Dodd form) 2
Calylophus hartwegii var. lavandulaefolius 7
Calylophus serulata 3
Calylophus serulata 'Sun Spots' 1
Calystegia atriplicifolia 9
Calystegia soldanella 4
Camassia 3
Camassia cusickii 6
Camassia leichtlinii 2
Camassia leichtlinii 'Alba' 11
Camassia quamash 6
Camassia quamash subsp. quamash 5
Camassia scilloides 3
Camellia 122
Camellia 'Anticipation' 1
Camellia azalea 10
Camellia 'Berenice Beauty' 6
Camellia 'Blushing Fountains' 8
Camellia brevistyla 3
Camellia 'Carolina Moonmist' 38
Camellia chekiangoleosa 11
Camellia 'Christmas Rose' 5
Camellia 'Cinnamon Cindy' 25
Camellia crapnelliana 9
Camellia crassipes 2
Camellia 'Crimson Candles' 5
Camellia cuspidata 4
Camellia 'Doctor Clifford Parks' 1
Camellia 'Elaine Lee' 4
Camellia 'Elina Cascade' 2
Camellia euryoides var. euryoides 9
Camellia fansipanensis 1
Camellia flava 1
Camellia forrestii 2
Camellia 'Fragrant Pink' 1
Camellia 'Frank Houser' 3
Camellia fraterna 9
Camellia gaudichaudii 3
Camellia granthamiana 1
Camellia grijsii 12
Camellia guachowensis 1
Camellia handelii (dwarf form) 1
Camellia handelii 'Snow Bells' 2
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 Blue' 11
Camellia ×hiemalis 'Kanjiro' 1
Camellia ×hiemalis 'Rose of Autumn' 17
Camellia indochinensis var. tunghinensis 1
Camellia irrawadiensis (variegated) 1
Camellia japonica 94
Camellia japonica 'Akashigata' 15
Camellia japonica 'Anemonaeflora' 3
Camellia japonica 'Ann Miller' 1
Camellia japonica 'April Blush' 2
Camellia japonica 'April Tryst' 5
Camellia japonica 'Benten Kagura' 2
Camellia japonica 'Benten Shiratama' 2
Camellia japonica 'Brushfield's Yellow' 1
Camellia japonica 'C.M. Wilson' 1
Camellia japonica 'Daikagura' 4
Camellia japonica 'Debutante' 4
Camellia japonica var. decumbens 'Madoka' 3
Camellia japonica 'Dr. J.C. Raulston' 5
Camellia japonica 'Fir Cone Variegated' 6
Camellia japonica (fishtail, white w/ red stripes) 5
Camellia japonica 'Fuiri Benten' 3
Camellia japonica 'Fukurin Wabisuke' 6
Camellia japonica 'Governor Mouton' 15
Camellia japonica 'Hakuhan-kujaku' 2
Camellia japonica 'Jacks' 14
Camellia japonica (Korean germplasm) 14
Camellia japonica 'Koshi-no-fubuki' 1
Camellia japonica 'Kujaku tsubaki' 12
Camellia japonica 'Lois Coker' 3
Camellia japonica 'Magnoliaeflora' 6
Camellia japonica 'Marie Bracey' 2
Camellia japonica 'Mrs. William Thompson' 2
Camellia japonica 'Nokogiriba-tsubaki' 1
Camellia japonica 'Nuccio's Gem' 6
Camellia japonica 'Pink Clouds' 1
Camellia japonica 'Pink Perfection' 4
Camellia japonica 'Professor Sargent' 17
Camellia japonica 'Quercifolia' 17
Camellia japonica 'Reg Ragland' 23
Camellia japonica 'Royal Velvet' 3
Camellia japonica var. rusticana 'Ai-no-izumi' 6
Camellia japonica 'Sanpei-tsubaki' 4
Camellia japonica 'Sundae' 1
Camellia japonica 'Ta Fuku Benten' 4
Camellia japonica 'Taiyo' 1
Camellia japonica 'Tam O'Shanter' 1
Camellia japonica 'Tama Americana' 2
Camellia japonica 'Tama Peacock' 12
Camellia japonica 'Tama Vino' 5
Camellia japonica 'Tama-no-ura' 3
Camellia japonica 'Twilight' 1
Camellia japonica 'Unryu' 5
Camellia japonica 'Ville de Nantes' 4
Camellia japonica 'White By The Gate' 6
Camellia japonica 'White Perfection' 32
Camellia japonica 'Yuri-tsubaki' 2
Camellia lutchuensis 3
Camellia lutchuensis var. minutiflora 4
Camellia 'Nishikiba Fukurin Ikkyu' 4
Camellia octapetala 1
Camellia 'Ole' 1
Camellia oleifera 17
Camellia oleifera × C. sasanqua 3
Camellia (oleifera hybrid, weeping) 3
Camellia 'Pink Icicle' 2
Camellia pitardii 2
Camellia polydonta 1
Camellia 'Red Dragon' 1
Camellia reticulata 'Pavlova' 2
Camellia rosaeflora 4
Camellia rosaeflora 'Grande' 4
Camellia salicifolia 5
Camellia saluensis 6
Camellia sasanqua 27
Camellia sasanqua 'Alabama Beauty' 3
Camellia sasanqua 'Autumn Delight' 1
Camellia sasanqua 'Autumn Moon' 2
Camellia sasanqua 'Autumn Rocket' 1
Camellia sasanqua 'Cleopatra' 3
Camellia sasanqua 'Cotton Candy' 2
Camellia sasanqua (gold leaf) 1
Camellia sasanqua 'Green 94-035' 5
Camellia sasanqua 'Hana-Jiman' 2
Camellia sasanqua 'Leslie Ann' 19
Camellia sasanqua 'Maiden's Blush' 1
Camellia sasanqua 'Northern Lights' 2
Camellia sasanqua 'Pink Snow' 4
Camellia sasanqua 'Sarrel' 2
Camellia sasanqua 'Setsugekka' 7
Camellia sasanqua 'Starry Pillar' 2
Camellia sasanqua 'White Satin' 3
Camellia sasanqua 'William Lanier Hunt' 3
Camellia sasanqua 'Yuletide' 5
Camellia 'Satan's Robe' 2
Camellia semiserrata 2
Camellia sinensis 37
Camellia sinensis 'O. Kuntze' 2
Camellia sinensis 'Silver Dust' 4
Camellia sinensis 'Unryu' 3
Camellia 'Snow Flurry' 27
Camellia 'Sparkling Burgundy' 3
Camellia 'Spring Mist' 1
Camellia 'Superscent' 1
Camellia 'Survivor' 3
Camellia 'Sweet Jane' 2
Camellia transnokoensis 9
Camellia tsaii 3
Camellia ×vernalis 'Egao Corkscrew' 5
Camellia ×vernalis 'Ginryu' 13
Camellia ×vernalis 'Hiryû' 6
Camellia ×vernalis 'Shibori Egao' 14
Camellia ×vernalis 'Star Above Star' 1
Camellia ×williamsii 'Donation' 11
Camellia ×williamsii 'E.G. Waterhouse Variegated' 1
Camellia ×williamsii 'Golden Spangles' 29
Camellia ×williamsii 'Mary Christian' 55
Camellia ×williamsii 'Mona Johnston' 2
Camellia ×williamsii 'Taylor's Perfection' 1
Camellia 'Winter's Charm' 8
Camellia 'Winter's Dream' 18
Camellia 'Winter's Star' 2
Camellia 'Winter's Star Light' 8
Camellia yuhsiensis 4
Camellia 'Yume' 12
Camellia yunnanensis 2
Campanula 47
Campanula alliariifolia 2
Campanula carpatica 3
Campanula fenestrellata 3
Campanula garganica 1
Campanula garganica 'Dickson's Gold' 7
Campanula glomerata 4
Campanula glomerata 'Joan Elliott' 4
Campanula incurva 2
Campanula 'Kent Belle' 3
Campanula parryi 4
Campanula portenschlagiana 1
Campanula poscharskyana 12
Campanula poscharskyana 'Camgood' 6
Campanula poscharskyana 'Stella' 2
Campanula ×pulloides 'Jelly Bells' 2
Campanula raddeana 1
Campanula rotundifolia 7
Campanula takesimana 9
Campanula uniflora 4
Campanula zangezura 3
Campsis 8
Campsis grandiflora 9
Campsis grandiflora 'Morning Calm' 6
Campsis radicans 11
Campsis radicans 'Apricot' 2
Campsis radicans (Bahama yellow) 1
Campsis radicans 'Flava' 2
Campsis radicans 'Takarazuka Variegated' 2
Campsis radicans (Tyler scarlet) 1
Campsis radicans (Tyler yellow) 2
Campsis ×tagliabuana 'Madame Galen' 4
Camptosema praeandinum 2
Camptotheca acuminata 9
Campylandra fimbriata 2
Campylotropis macrocarpa 8
Cananga odorata 2
Canna 110
Canna 'African Sunset' 18
Canna 'Australia' 18
Canna 'Bengal Tiger' 9
Canna 'Cleopatra' 15
Canna compacta subsp. cinnabarina 5
Canna 'Constitution' 12
Canna 'Ermine' 3
Canna 'Grande' 1
Canna indica 2
Canna indica 'Red Stripe' 3
Canna iridiflora 2
Canna 'Jimmy Carter' 4
Canna 'King's Gold' 2
Canna 'La Boheme' 1
Canna musifolia 3
Canna 'Orange Punch' 1
Canna 'Pacific Beauty' 8
Canna 'Panache' 2
Canna patens 20
Canna 'Phaison' 9
Canna 'Red Futurity' 1
Canna 'Red Stripe' 2
Canna 'Striata' 1
Canna 'Stuttgart' 4
Canna 'Thai One On' 3
Canna 'Valentine' 1
Cannabis sativa 3
Cannomois virgata 1
Cantua buxifolia 3
Cantua buxifolia 'Tricolor' 2
Capsicum 17
Capsicum annuum 15
Capsicum annuum 'Black Pearl' 7
Capsicum annuum 'Blast' 3
Capsicum annuum 'Chilly Chili' 2
Capsicum annuum 'Ignite' 4
Caragana arborescens 'Nana' 2
Caragana arborescens 'Pendula' 2
Caragana sinica 4
Caragana 'Walkeri' 1
Cardamine 1
Cardamine angustata (A1AL-026) 2
Cardamine concatenata 9
Cardamine cordifolia 3
Cardamine diphylla 23
Cardamine dissecta 1
Cardamine dissecta (A1NC-057) 3
Cardamine douglassii 4
Cardamine douglassii 'Southern Lady' 4
Cardiocrinum 5
Cardiocrinum cathayanum 1
Cardiocrinum cordatum 2
Cardiocrinum giganteum 23
Carex 22
Carex buchananii 4
Carex ciliatomarginata 'Island Brocade' 4
Carex ciliatomarginata 'Treasure Island' 2
Carex comans 'Bronze' 3
Carex comans 'Frosted Curls' 1
Carex comans (green form) 1
Carex conica 'Snowline' 1
Carex crinita 3
Carex dolichostachya 'Kaga Nishiki' 2
Carex eburnea 1
Carex elata 'Aurea' 7
Carex elata 'Bowle's Golden' 7
Carex flacca 'Blue Zinger' 5
Carex glauca 2
Carex laxiculmus 'Hobb' 3
Carex morrowii 1
Carex morrowii var. temnolepis 'Silk Tassel' 2
Carex morrowii 'Variegata' 6
Carex muskingumensis 'Oehme' 1
Carex ochrosaccus 2
Carex oshimensis 1
Carex oshimensis 'Carfit01' 1
Carex oshimensis 'Evergold' 2
Carex oshimensis 'Everillo' 2
Carex pensylvanica 3
Carex phyllocephala 1
Carex phyllocephala 'Sparkler' 10
Carex siderosticha 'Banana Boat' 3
Carex siderosticha 'Variegata' 6
Carex testacea 1
Carex trifida 'Rekohu Sunrise' 1
Carica papaya 4
Carlina acaulis 3
Carmichaelia appressa 2
Carmichaelia arborea 4
Carmichaelia australis 4
Carmichaelia nana 1
Carmichaelia petriei 2
Carmichaelia stevensonii 7
Carmichaelia williamsii 2
Carnegiea gigantea 29
Carpenteria californica 20
Carphephorus bellidifolius 5
Carpinus 8
Carpinus betulus 14
Carpinus betulus 'Columnaris' 1
Carpinus betulus 'Columnaris Nana' 4
Carpinus betulus 'Fastigiata' 6
Carpinus betulus 'Frans Fontaine' 6
Carpinus betulus 'Incisa' 2
Carpinus betulus 'Pendula' 11
Carpinus betulus 'Pyramidalis' 1
Carpinus caroliniana 9
Carpinus caroliniana 'Stowe Cascade' 1
Carpinus coreana 'Black Lady' 7
Carpinus fangiana 14
Carpinus fangiana 'Wharton's Choice' 8
Carpinus japonica 28
Carpinus japonica 'Silver Lace' 5
Carpinus laxiflora 8
Carpinus laxiflora 'Variegata' 3
Carpinus mollicoma 2
Carpinus omeiensis 3
Carpinus orientalis 1
Carpinus tschonoskii 2
Carpinus turczaninowii 7
Carpobrotus 2
Carpobrotus chilensis 3
Carpobrotus chilensis (white) 1
Carpobrotus edulis 3
Carthamus pinnatus 2
Carya 12
Carya illinoinensis 41
Carya ovata 9
Caryopteris 7
Caryopteris ×clandonensis 9
Caryopteris ×clandonensis 'Ferndown' 17
Caryopteris ×clandonensis 'First Choice' 2
Caryopteris ×clandonensis 'Gold Giant' 1
Caryopteris ×clandonensis 'Kew Blue' 1
Caryopteris ×clandonensis 'Longwood Blue' 3
Caryopteris ×clandonensis 'Worcester Gold' 7
Caryopteris divaricata 3
Caryopteris divaricata 'Snow Fairy' 2
Caryopteris incana 'Jason' 1
Caryopteris nepalensis 2
Caryota obtusa 1
Cassia 2
Castanea 6
Castanea crenata 6
Castanea dentata 9
Castanea mollissima 11
Castanea pumila 2
Castanea sativa 11
Castanea sativa 'Variegata' 6
Castanea sequinii 4
Castanopsis cuspidata 5
Castanopsis cuspidata var. sieboldii 'Angyo Yellow' 23
Castanopsis cuspidata (white center) 3
Castanopsis delavayi 8
Castanopsis eyrei 2
Castanopsis sclerophylla 14
Castilleja 26
Castilleja ambigua var. ambigua 2
Castilleja angustifolia 6
Castilleja applegatei 2
Castilleja coccinea 5
Castilleja integra 2
Castilleja miniata 20
Castilleja occidentalis 11
Castilleja sulphurea 6
Catalpa 11
Catalpa bignonioides 1
Catalpa bignonioides 'Aurea' 14
Catalpa bungei 3
Catalpa ×erubescens 'Purpurea' 4
Catalpa ovata 3
Catalpa speciosa 5
Catasetum moorei 2
Catharanthus 1
Catharanthus roseus 18
Cathaya argyrophylla 16
Cattleya 4
Caulophyllum thalictroides 2
Cautleya gracilis 1
Cautleya spicata 10
Ceanothus 24
Ceanothus americanus 6
Ceanothus arboreus 'Owlswood Blue' 1
Ceanothus 'Blue Jeans' 1
Ceanothus 'Concha' 2
Ceanothus ×delileanus 'Gloire de Versailles' 3
Ceanothus ×delileanus 'Henri Desfossé' 18
Ceanothus griseus 'Diamond Heights' 1
Ceanothus griseus var. horizontalis 'Diamond Heights' 1
Ceanothus griseus 'Yankee Point' 2
Ceanothus maritimus 2
Ceanothus ×pallidus 'Marie Simon' 1
Ceanothus ×pallidus 'Minmari' 3
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 'Victoria' 3
Cedrela 2
Cedrus 46
Cedrus atlantica 16
Cedrus atlantica 'Argentea Fastigiata' 1
Cedrus atlantica 'Aurea' 2
Cedrus atlantica 'Aurea Robusta' 2
Cedrus atlantica 'Fastigiata' 1
Cedrus atlantica Glauca Group 39
Cedrus atlantica 'Glauca Pendula' 118
Cedrus deodara 26
Cedrus deodara 'Aurea' 8
Cedrus deodara 'Aurea Pendula' 1
Cedrus deodara 'Blue Ball' 3
Cedrus deodara 'Cream Puff' 3
Cedrus deodara 'Crystal Falls' 4
Cedrus deodara 'Devinely Blue' 1
Cedrus deodara 'Electra' 1
Cedrus deodara 'Glacier Blue' 3
Cedrus deodara 'Glauca Pendula' 15
Cedrus deodara 'Golden Horizon' 1
Cedrus deodara 'Hollandia' 1
Cedrus deodara 'Montrose Veil' 5
Cedrus deodara 'Mountain Beauty' 1
Cedrus deodara 'Pendula' 7
Cedrus deodara 'Prostrata' 2
Cedrus deodara 'Prostrate Beauty' 2
Cedrus deodara 'Pygmaea' 1
Cedrus deodara 'Scott' 1
Cedrus deodara 'Snow Sprite' 2
Cedrus libani 2
Cedrus libani subsp. brevifolia 4
Cedrus libani Nana Group 1
Cedrus libani ''Pendula'' 1
Cedrus libani 'Sargentii' 3
Ceiba 9
Ceiba pentandra 5
Celastrus 6
Celastrus orbiculata 1
Celmisia 5
Celmisia coriacea 1
Celmisia holosericea 1
Celmisia hookeri 5
Celmisia mackaui 5
Celmisia monroi 1
Celmisia semicordata 5
Celosia 31
Celosia argentea var. argentea Spicata Group 13
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 7
Celtis aurantiaca 2
Celtis australis 3
Celtis bungeana 1
Celtis caucasica 1
Celtis julianae 10
Celtis occidentalis 1
Celtis sinensis 1
Celtis sinensis 'Green Cascade' 16
Celtis tenuifolia 1
Celtis vandervoetiana 2
Celtis yunnanensis 3
Centaurea 3
Centaurea cineraria 10
Centaurea cineraria 'Colchester White' 7
Centaurea cyanus 5
Centaurea macrocephala 7
Centaurea montana 4
Centaurea montana 'Alba' 1
Centaurea montana 'Gold Bullion' 3
Centaurea simplicicaulis 5
Centrantherum camporum 5
Centranthus ruber 11
Centranthus ruber 'Albus' 6
Centratherum 3
Cephalanthus occidentalis 3
Cephalanthus occidentalis 'Oshack' 3
Cephalaria gigantea 4
Cephalotaxus 12
Cephalotaxus fortunei 5
Cephalotaxus fortunei var. alpina 1
Cephalotaxus fortunei 'Prostrate Spreader' 2
Cephalotaxus (gold form) 1
Cephalotaxus harringtonia 8
Cephalotaxus harringtonia var. drupacea 5
Cephalotaxus harringtonia 'Duke Gardens' 6
Cephalotaxus harringtonia 'Fastigiata' 6
Cephalotaxus harringtonia 'Fritz Huber' 9
Cephalotaxus harringtonia 'H.W. Sargent' 1
Cephalotaxus harringtonia var. koreana 10
Cephalotaxus harringtonia var. koreana 'Korean Gold' 2
Cephalotaxus harringtonia 'Mary Fleming' 4
Cephalotaxus harringtonia var. nana 2
Cephalotaxus harringtonia 'Pedunculata' 2
Cephalotaxus harringtonia 'Prostrata' 11
Cephalotaxus mannii 3
Cephalotaxus oliveri 1
Cephalotaxus sinensis 15
Cephalotaxus wilsoniana 4
Cerastium arvense 2
Cerastium arvense subsp. strictum 3
Cerastium tomentosum 2
Ceratopetalum gummiferum 'Rubies 'n Lace' 4
Ceratostigma 3
Ceratostigma griffithii 5
Ceratostigma griffithii 'Snow Flurries' 13
Ceratostigma plumbaginoides 7
Ceratostigma plumbaginoides 'My Love' 5
Ceratostigma willmottianum 5
Ceratotheca triloba 4
Ceratozamia hildae 10
Ceratozamia kuesteriana 4
Ceratozamia mexicana 4
Ceratozamia robusta 4
Cercidiphyllum 2
Cercidiphyllum japonicum 32
Cercidiphyllum japonicum 'Amazing Grace' 3
Cercidiphyllum japonicum 'Heronswood Globe' 5
Cercidiphyllum japonicum 'Kruckeberg Dwarf' 1
Cercidiphyllum japonicum 'Morioka Weeping' 21
Cercidiphyllum japonicum f. pendulum 12
Cercidiphyllum japonicum 'Rotfuchs' 1
Cercidiphyllum magnificum 4
Cercis 80
Cercis 'Big John' 32
Cercis canadensis 56
Cercis canadensis 'Ace of Hearts' 18
Cercis canadensis f. alba 24
Cercis canadensis 'Amethyst Mist' 34
Cercis canadensis 'Appalachian Red' 8
Cercis canadensis 'Covey' 17
Cercis canadensis 'Crosswicks Red' 1
Cercis canadensis 'Dwarf White' 18
Cercis canadensis 'Flame' 13
Cercis canadensis 'Floating Clouds' 60
Cercis canadensis 'Forest Pansy' 65
Cercis canadensis 'Gold Crown' 10
Cercis canadensis 'Greswan' 4
Cercis canadensis 'Hearts of Gold' 49
Cercis canadensis 'Jn2' 18
Cercis canadensis 'Little Woody' 7
Cercis canadensis 'Mardis Gras' 1
Cercis canadensis var. mexicana 46
Cercis canadensis var. mexicana (Sanderson selection) 1
Cercis canadensis (NCSU upright) 5
Cercis canadensis 'Pauline Lily' 3
Cercis canadensis 'Pink Pom Poms' 1
Cercis canadensis 'Pinkbud' 9
Cercis canadensis 'Royal White' 2
Cercis canadensis 'Ruby Falls' 21
Cercis canadensis 'Silver Cloud' 37
Cercis canadensis 'Tennessee Pink' 53
Cercis canadensis ('Tennessee Pink' variegated) 5
Cercis canadensis var. texensis 6
Cercis canadensis [Texensis Group] 'Merlot' 16
Cercis canadensis var. texensis 'Oklahoma' 12
Cercis canadensis var. texensis 'Texas White' 7
Cercis canadensis var. texensis 'Traveller' 98
Cercis canadensis 'Tom Thumb' 8
Cercis canadensis (variegated) 1
Cercis canadensis 'Whitewater' 1
Cercis chinensis 31
Cercis aff. chinensis 4
Cercis chinensis f. alba 10
Cercis chinensis 'Avondale' 3
Cercis chinensis (contorted) 5
Cercis chinensis 'Don Egolf' 15
Cercis chinensis (dwarf form) 8
Cercis chinensis 'Kay's Early Hope' 81
Cercis chinensis 'Shibamichi Red' 11
Cercis chinensis 'Shirobana' 23
Cercis chingii 31
Cercis chuniana 5
Cercis gigantea 2
Cercis aff. gigantea 7
Cercis gigantea (pale flower) 9
Cercis glabra 22
Cercis aff. glabra 10
Cercis glabra 'Celestial Plum' 10
Cercis griffithii 2
Cercis (hybrid) 12
Cercis occidentalis 7
Cercis racemosa 27
Cercis siliquastrum 24
Cercis siliquastrum f. albida 16
Cercis siliquastrum 'Bodnant' 10
Cercis siliquastrum 'Rubra' 2
Cercocarpus 2
Cercocarpus ledifolius var. ledifolius 9
Cercocarpus montanus 11
Cereus 2
Cerinthe major 3
Cerinthe major 'Purpurascens' 5
Ceropegia 3
Ceroxylon interruptum 2
Ceroxylon quindiuense 4
Cestrum aurantiacum 1
Cestrum 'Compact Purple' 5
Cestrum elegans 2
Cestrum 'Lemon Peel' 4
Cestrum 'Newellii' 1
Cestrum parqui 18
Cestrum psittacinum 6
Cestrum roseum 2
Chaenomeles 25
Chaenomeles (Chris's contorted) 8
Chaenomeles 'Dragon's Blood' 5
Chaenomeles japonica 12
Chaenomeles japonica 'Atsuya Hamada' 21
Chaenomeles japonica 'Chojuraku' 8
Chaenomeles japonica 'Hime' 2
Chaenomeles japonica 'Pygmaea' 7
Chaenomeles japonica 'Utamaro' 7
Chaenomeles 'Orange Storm' 9
Chaenomeles 'Scarff's Red' 10
Chaenomeles 'Scarlet Storm' 7
Chaenomeles speciosa 17
Chaenomeles speciosa 'Contorta' 21
Chaenomeles speciosa 'Kinshiden' 1
Chaenomeles speciosa 'Mt. Fuji' 4
Chaenomeles speciosa 'Orange Delight' 5
Chaenomeles speciosa 'Red Charlet' 2
Chaenomeles speciosa 'Toyo Nishiki' 16
Chaenomeles ×superba 'Cameo' 15
Chaenomeles ×superba 'Jet Trail' 18
Chaenomeles ×superba 'Mandarin' 19
Chaenomeles ×superba 'Pink Lady' 2
Chaenomeles ×superba 'Texas Scarlet' 5
Chamaebatiaria millefolium 2
Chamaecrista fasciculata 1
Chamaecyparis 40
Chamaecyparis formosensis 18
Chamaecyparis lawsoniana 21
Chamaecyparis lawsoniana 'Aurea' 1
Chamaecyparis lawsoniana 'Aureovariegata' 1
Chamaecyparis lawsoniana 'Golden Showers' 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 'Blue Feathers' 3
Chamaecyparis obtusa 'Chabo Yadori' 5
Chamaecyparis obtusa 'Chirimen' 4
Chamaecyparis obtusa 'Confucius' 3
Chamaecyparis obtusa 'Crippsii' 17
Chamaecyparis obtusa 'Dainty Doll' 1
Chamaecyparis obtusa 'Elmwood' 8
Chamaecyparis obtusa 'Filicoides' 1
Chamaecyparis obtusa var. formosana 7
Chamaecyparis obtusa 'Gold Fern' 6
Chamaecyparis obtusa 'Golden Sprite' 1
Chamaecyparis obtusa 'Gracilis' 12
Chamaecyparis obtusa 'Hage' 1
Chamaecyparis obtusa 'Hibari' 2
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 'Kosteri' 7
Chamaecyparis obtusa 'Lemon Twist' 6
Chamaecyparis obtusa 'Limerick' 1
Chamaecyparis obtusa 'Loenik' 5
Chamaecyparis obtusa 'Mariesii' 1
Chamaecyparis obtusa 'Melody' 1
Chamaecyparis obtusa 'Meroke Twin' 2
Chamaecyparis obtusa 'Nana' 4
Chamaecyparis obtusa 'Nana Aurea' 3
Chamaecyparis obtusa 'Nana Gracilis' 4
Chamaecyparis obtusa 'Nana Lutea' 4
Chamaecyparis obtusa 'Pygmaea' 1
Chamaecyparis obtusa 'Pygmaea Aurescens' 1
Chamaecyparis obtusa 'Repens' 1
Chamaecyparis obtusa 'Saffron Spray' 2
Chamaecyparis obtusa 'Special Variegated' 2
Chamaecyparis obtusa 'Spiralis' 2
Chamaecyparis obtusa 'Split Rock' 3
Chamaecyparis obtusa 'Sunspray' 2
Chamaecyparis obtusa 'Tempelhof' 2
Chamaecyparis obtusa 'Tetragona Aurea' 8
Chamaecyparis obtusa 'Thoweil' 1
Chamaecyparis obtusa 'Torulosa' 2
Chamaecyparis obtusa 'Torulosa Nana' 2
Chamaecyparis obtusa 'Verdon' 6
Chamaecyparis pisifera 19
Chamaecyparis pisifera 'Boulevard' 7
Chamaecyparis pisifera 'Clouded Sky' 6
Chamaecyparis pisifera 'Cumulus' 2
Chamaecyparis pisifera 'Devon Cream' 2
Chamaecyparis pisifera 'Filifera' 7
Chamaecyparis pisifera 'Filifera Aurea' 39
Chamaecyparis pisifera 'Filifera Aurea Nana' 1
Chamaecyparis pisifera 'Gekko' 1
Chamaecyparis pisifera 'Golden Pincushion' 1
Chamaecyparis pisifera 'Manger's Sunshine' 3
Chamaecyparis pisifera 'Plumosa Compressa' 3
Chamaecyparis pisifera 'Plumosa Cristata' 2
Chamaecyparis pisifera 'Plumosa Juniperoides' 2
Chamaecyparis pisifera 'Plumosa Rogersi' 1
Chamaecyparis pisifera 'Squarrosa' 2
Chamaecyparis pisifera 'Squarrosa Intermedia' 2
Chamaecyparis pisifera 'Squarrosa Lutea' 3
Chamaecyparis pisifera 'Squarrosa Minima' 1
Chamaecyparis pisifera 'Sungold' 1
Chamaecyparis pisifera 'Tsukumo' 2
Chamaecyparis pisifera 'Vintage Gold' 8
Chamaecyparis thyoides 18
Chamaecyparis thyoides 'Andelyensis' 1
Chamaecyparis thyoides 'Dilworth Variegated' 1
Chamaecyparis thyoides 'Heatherbun' 3
Chamaecyparis thyoides 'Little Jamie' 1
Chamaecyparis thyoides 'Rubicon' 14
Chamaecyparis thyoides 'Tom's Blue' 1
Chamaecyparis thyoides 'Variegata' 2
Chamaecyparis thyoides 'Webb Gold' 1
Chamaecytisus purpureus 4
Chamaedaphne calyculata 2
Chamaedaphne calyculata 'Verdant' 1
Chamaedorea 1
Chamaedorea cataractarum 1
Chamaedorea hooperiana 1
Chamaedorea metallica 3
Chamaerops humilis 19
Chamaerops humilis var. cerifera 8
Chamaerops humilis 'Vulcano' 3
Chamerion angustifolium 'Album' 2
Chasmanthium latifolium 3
Chasmanthium latifolium 'River Mist' 2
Chasmatophyllum musculinum 5
Cheilanthes 2
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 5
Chelone lyonii 'Hot Lips' 5
Chelonopsis moschata 5
Chelonopsis yagiharana 12
Chiastophyllum oppositifolium 3
Chilopsis 2
Chilopsis linearis 15
Chilopsis linearis 'Angel White' 17
Chilopsis linearis 'Bubba' 15
Chimaphila maculata 6
Chimaphila umbellata 1
Chimonanthus 2
Chimonanthus nitens 14
Chimonanthus praecox 38
Chimonanthus praecox 'Luteus' 25
Chimonanthus zhejiangensis 8
Chinographis japonica 2
Chiococca alba 4
Chionanthus 1
Chionanthus pygmaeus 7
Chionanthus retusus 65
Chionanthus retusus 'Ivory Tower' 7
Chionanthus retusus (Norfolk weeping) 4
Chionanthus retusus 'Tokyo Tower' 2
Chionanthus virginicus 63
Chionochloa pallens 1
Chionochloa rigida 2
Chionochloa spiralis 1
Chionodoxa forbesii 14
Chionodoxa forbesii 'Pink Giant' 15
Chionodoxa luciliae 7
Chionodoxa sardensis 17
Chionographis japonica 2
Chionophila jamesii 5
×Chitalpa tashkentensis 9
×Chitalpa tashkentensis 'Morning Cloud' 6
×Chitalpa tashkentensis 'Pink Dawn' 4
Chlidanthus fragrans 3
Chloranthus 3
Chloranthus fortunei 6
Chloranthus fortunei 'Domino' 2
Chloranthus japonicus 15
Chloranthus multistachys 3
Chloranthus oldhamii 1
Chloranthus serratus 3
Chloranthus sessilifolius 'Get Shorty' 4
Chloranthus spicatus 2
Chlorophytum 1
Chlorophytum cf. bowkeri 5
Chlorophytum comosum 1
Chlorophytum krookianum 3
Chlorophytum majus 2
Chlorophytum saundersiae 3
Choerospondias axillaris 1
Choisya ×dewitteana 'Aztec Pearl' 22
Choisya 'Goldfinger' 2
Choisya ternata 7
Choisya ternata 'Sundance' 18
Chordospartium stevensonii 6
Chorisia speciosa 4
Chrysactinia mexicana 38
Chrysanthemopsis hosemariensis 2
Chrysanthemum 292
Chrysanthemum (15-501 yellow) 16
Chrysanthemum 'Country Girl' 1
Chrysanthemum (Elizabeth Lawrence pink) 4
Chrysanthemum 'Gethsemane Moonlight' 7
Chrysanthemum 'Golden Lida Thomas' 2
Chrysanthemum ×grandiflorum 250
Chrysanthemum 'Miss Gloria's Thanksgiving' 5
Chrysanthemum 'Venus' 5
Chrysanthemum 'Virginia's Sunshine' 5
Chrysanthemum weyrichii 1
Chrysogonum virginianum 30
Chrysogonum virginianum 'Eco Lacquered Spider' 2
Chrysogonum virginianum 'Pierre' 1
Chrysogonum virginianum 'Quinn's Gold' 6
Chrysosplenium macrophyllum 1
Chrysothamnus nauseosus 1
Chrysothemis pulchella 3
Chuniophoenix hainanensis 1
Chusquea culeou 4
Cibotium barometz 2
Cibotium glaucum 2
Cichorium intybus 4
Cichorium spinosum 2
Cinnamomum 5
Cinnamomum camphora 29
Cinnamomum glanduliferum 2
Cinnamomum japonicum 11
Cinnamomum japonicum 'Harlequin' 1
Cinnamomum jensenianum 2
Cinnamomum micranthum 3
Cinnamomum parthenoxylon 1
Cinnamomum wilsonii 3
Circium 1
Circium vulgare 3
Cirsium eatonii 1
Cirsium scariosum 1
Cirsium scopulorum 5
Cissus 1
Cissus antarctica 3
Cissus discolor 5
Cissus trifoliata 2
Cistus 11
Cistus albidus 1
Cistus creticus 1
Cistus crispus 3
Cistus 'Grayswood Pink' 1
Cistus incanus 2
Cistus inflatus 4
Cistus ladanifer 3
Cistus laurifolius 4
Cistus libanotis 'Major' 1
Cistus 'Mickie' 15
Cistus psilosepalus 9
Cistus pulverulentus 'Sunset' 11
Cistus ×purpureus 1
Cistus salviifolius 15
Cistus 'Snow Fire' 3
×Citrofortunella microcarpa 2
×Citrofortunella microcarpa 'Tiger' 3
Citrullus lanatus 12
Citrus 36
Citrus cavaleriei 14
Citrus ichangensis × C. grandis 3
Citrus latipes 1
Citrus reticulata 4
Citrus ×sinensis 7
Cladrastis 1
Cladrastis kentukea 23
Cladrastis kentukea 'Perkins Pink' 23
Cladrastis platycarpa 7
Claytonia 2
Claytonia megarhiza 15
Claytonia perfoliata 5
Claytonia virginica 27
Cleistes bifaria 10
Cleistes divaricata 8
Clematis 97
Clematis addisonii 17
Clematis afoliata 3
Clematis akebioides 1
Clematis 'Alionushka' 1
Clematis alpina 1
Clematis 'Arabella' 2
Clematis armandii 16
Clematis 'Betty Corning' 28
Clematis 'Bill MacKenzie' 4
Clematis 'Capitaine Thuilleaux' 1
Clematis ×cartmanii 'Sweet Hart' 1
Clematis 'Chalcedony' 1
Clematis cirrhosa 8
Clematis cirrhosa var. purpurascens 'Freckles' 9
Clematis 'Cleminov51' 1
Clematis crassifolia 3
Clematis crispa 2
Clematis 'Daihelios' 2
Clematis ×durandii 5
Clematis 'Fairy' 2
Clematis flabellata 3
Clematis florida 'Sieboldii' 1
Clematis forsteri 6
Clematis fremontii 37
Clematis 'Henryi' 4
Clematis heracleifolia var. davidiana 3
Clematis hirsutissima 19
Clematis integrifolia 16
Clematis integrifolia 'Alba' 9
Clematis integrifolia 'Pangbourne Pink' 2
Clematis integrifolia 'Rose Colored Glasses' 4
Clematis 'Jackmanii' 1
Clematis japonica 'Golden Necklace' 3
Clematis ligusticifolia 3
Clematis macropetala 2
Clematis montana 2
Clematis montana 'Rubens' 10
Clematis 'Niobe' 1
Clematis ochroleuca 19
Clematis orientalis 'Bill MacKenzie' 3
Clematis 'Pagoda' 5
Clematis paniculata 5
Clematis patens 1
Clematis pitcheri 2
Clematis 'Princess Diana' 6
Clematis recta 2
Clematis recta 'Purpurea' 1
Clematis reticulata 1
Clematis reticulata × C. texensis 7
Clematis 'Rüütel' 3
Clematis stans 3
Clematis tangutica 5
Clematis terniflora 3
Clematis texensis 9
Clematis versicolor 6
Clematis villosa 3
Clematis viorna 1
Clematis [Viticella Group] 'Étoile Violet' 3
Clematis 'Wada's Primrose' 2
Cleome 26
Cleome hassleriana 4
Cleome serrulata 1
Clerodendrum 3
Clerodendrum bungei 7
Clerodendrum cyrtophyllum 6
Clerodendrum indicum 3
Clerodendrum myricoides 'Ugandense' 1
Clerodendrum paniculatum 1
Clerodendrum speciosissimum 9
Clerodendrum splendens 2
Clerodendrum thomsoniae 5
Clerodendrum thomsoniae 'Variegata' 2
Clerodendrum trichotomum 7
Clerodendrum trichotomum 'Carnival' 3
Clerodendrum trichotomum var. fargesii 1
Clerodendrum wallichii 3
Clethra 18
Clethra alnifolia 14
Clethra alnifolia 'Caleb' 2
Clethra alnifolia 'Creel's Calico' 2
Clethra alnifolia 'Hummingbird' 4
Clethra alnifolia 'Pink Spires' 1
Clethra alnifolia 'Rosea' 1
Clethra alnifolia 'Ruby Spice' 11
Clethra alnifolia 'Sherry Sue' 13
Clethra alnifolia 'Sotite' 1
Clethra barbinervis 13
Clethra barbinervis 'Takeda Nishiki' 3
Clethra delavayi 2
Clethra faberi 1
Clethra fargesii 4
Clethra mexicana 4
Clethra monostachya 2
Clethra poilanei 2
Clethra pringlei 3
Clethra tomentosa 2
Clethra tomentosa 'Woodlander's Sarah' 3
Cleyera fortunei (variegated sport) 1
Cleyera integrifolia 1
Cleyera japonica 2
Cleyera japonica (Duncan & Davies form) 4
Cleyera japonica 'Hosoba Fukurin' 6
Cleyera japonica 'Tokyo Sunrise' 5
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' 2
Cliftonia monophylla 'Dodd's Pink' 4
Clinopodium arkansanum 2
Clinopodium ashei (Tattnall Co., GA) 3
Clinopodium coccineum 16
Clinopodium coccineum 'Ohoopee Yellow' 14
Clinopodium georgianum 5
Clinopodium grandiflorum 3
Clinopodium laxiflorum 2
Clintonia andrewsiana 14
Clintonia borealis 7
Clivia 11
Clivia caulescens 3
Clivia miniata 22
Clivia miniata 'Variegata' 1
Clivia nobilis 3
Cnidoscolus urens 4
Cobaea scandens 3
Cobaea scandens f. alba 4
Cocos nucifera 45
Codiaeum 7
Codonopsis 1
Coffea arabica 11
Colchicum 38
Colchicum autumnale 15
Colchicum speciosum 'Atrorubens' 1
Colchicum tenorei 7
Colchicum troodii 1
Colchicum 'Violet Queen' 2
Colchicum 'Waterlily' 5
Colletia armata 2
Colletia hystrix 2
Colletia paradoxa 10
Collinsia grandiflora 7
Collinsonia verticillata 3
Colocasia 6
Colocasia antiquorum 'Illustris' 14
Colocasia 'Diamond Head' 2
Colocasia 'Elena' 3
Colocasia esculenta 22
Colocasia esculenta 'Black Magic' 17
Colocasia esculenta 'Blue Hawaii' 5
Colocasia esculenta 'Burgundy Stem' 10
Colocasia esculenta 'Coffee Cups' 1
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 'Mojito' 1
Colocasia esculenta 'Nancy's Revenge' 2
Colocasia esculenta 'Rhubarb' 3
Colocasia fallax 1
Colocasia gigantea 7
Colocasia gigantea 'Laosy Giant' 2
Colocasia gigantea (Thailand giant form) 43
Colocasia 'Kona Coffee' 1
Colocasia 'Madeira' 1
Colocasia 'Noble Gigante' 3
Colocasia 'Morning Dew' 2
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 gracilis 2
Coniogramme intermedia 'Yoroi Musha' 4
Coniogramme japonica 'Variegata' 1
Conopholis americana 6
Conradina (ALI-65 South) 5
Conradina canescens 5
Conradina etonia 6
Conradina verticillata 1
Consolida ajacis 19
Convallaria 7
Convallaria majalis 11
Convallaria majalis 'Flore Pleno' 3
Convallaria majalis var. rosea 1
Convallaria majalis 'Striata' 1
Convolvulus 5
Convolvulus althaeoides 10
Convolvulus assyricus 1
Convolvulus cneorum 4
Convolvulus mauritanicus 35
Convolvulus mauritanicus (white mutation) 8
Convolvulus sabatius 2
Cooperia pedunculata 3
Copernicia macroglossa 4
Coprosma dodonaeifolia 3
Coprosma intertexta 1
Coprosma ×kirkii 'Variegata' 3
Coprosma lucida 2
Coprosma macrocarpa 2
Coprosma 'Middlemore' 1
Coprosma petriei 3
Coprosma propinqua 1
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
Cordyline 15
Cordyline australis 20
Cordyline australis 'Albertii' 1
Cordyline australis 'Karo Kiri' 2
Cordyline australis 'Red Sensation' 2
Cordyline australis 'Red Star' 1
Cordyline indivisa 8
Cordyline obtecta 1
Cordyline 'Red Fountain' 1
Cordyline terminalis 6
Cordyline terminalis 'Variegata' 1
Coreopsis 14
Coreopsis auriculata 3
Coreopsis auriculata 'Nana' 1
Coreopsis auriculata 'Zamphir' 2
Coreopsis 'Autumn Blush' 2
Coreopsis 'Cherry Pie' 2
Coreopsis 'Citrine' 3
Coreopsis 'Creme Brulee' 3
Coreopsis gigantea 8
Coreopsis gladiata 3
Coreopsis grandiflora 1
Coreopsis 'Heaven's Gate' 3
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 2
Coreopsis tripteris 'Lightning Flash' 1
Coreopsis verticillata 9
Coreopsis verticillata 'Moonbeam' 4
Coreopsis verticillata 'Route 66' 3
Coreopsis verticillata 'Zagreb' 6
Coriaria 8
Coriaria japonica 2
Coriaria japonica subsp. intermedia 4
Cornus 77
Cornus alba 'Bailhalo' 2
Cornus alba 'Cream Cracker' 7
Cornus alba 'Elegantissima' 4
Cornus alba 'Sibirica' 1
Cornus alba 'Spaethii' 1
Cornus alba 'Stdazam' 6
Cornus alternifolia 10
Cornus alternifolia 'Argentea' 11
Cornus alternifolia 'Bachone' 3
Cornus alternifolia 'Illusion' 1
Cornus alternifolia 'Silver Giant' 2
Cornus alternifolia 'Variegata' 4
Cornus alternifolia 'W. Stackman' 2
Cornus alternifolia 'Winter Surprise' 5
Cornus alternifolia 'Yellow Spring' 3
Cornus australis 9
Cornus canadensis 15
Cornus capitata 5
Cornus capitata subsp. emeiensis 14
Cornus chinensis 2
Cornus controversa 37
Cornus controversa 'Candlelight' 2
Cornus controversa 'Janine' 2
Cornus controversa 'Laska' 2
Cornus controversa 'Lucia' 2
Cornus controversa 'Marginata Nord' 5
Cornus controversa 'Pagoda' 5
Cornus controversa 'Troya Dwarf' 1
Cornus controversa 'Variegata' 37
Cornus 'Eddie's White Wonder' 11
Cornus elliptica 6
Cornus elliptica 'Elsbry' 25
Cornus elliptica 'First Choice' 21
Cornus elliptica 'Full Moon' 3
Cornus florida 153
Cornus florida 'Autumn Gold' 4
Cornus florida 'Barton' 1
Cornus florida 'Cherokee Daybreak' 2
Cornus florida 'Cherokee Sunset' 5
Cornus florida 'Dixie Colonnade' 8
Cornus florida 'First Lady' 4
Cornus florida 'Pendula' 14
Cornus florida 'Pluribracteata' 22
Cornus florida 'Pumpkin Patch' 2
Cornus florida 'Pygmaea' 8
Cornus florida f. rubra 13
Cornus florida 'Suwanee Squat' 36
Cornus florida subsp. urbiniana 68
Cornus florida 'Welchii' 3
Cornus florida 'Xanthocarpa' 1
Cornus foemina 2
Cornus hongkongensis 4
Cornus hongkongensis 'Gekkou' 15
Cornus hongkongensis subsp. tonkinensis (white speckle) 2
Cornus 'Kf1-1' 4
Cornus 'Kn30-8' 6
Cornus kousa 90
Cornus kousa 'Akatsuki' 3
Cornus kousa 'Blue Shadow' 2
Cornus kousa var. chinensis 'Propzam' 2
Cornus kousa var. chinensis 'Samzam' 1
Cornus kousa 'Elizabeth Lustgarten' 5
Cornus kousa 'Gold Star' 9
Cornus kousa 'Greensleeves' 5
Cornus kousa 'Hanros' 2
Cornus kousa 'John Slocock' 3
Cornus kousa 'Kristin Lipka's Variegated Weeper' 4
Cornus kousa 'Limon Ripple' 2
Cornus kousa 'Little Beauty' 1
Cornus kousa 'Lustgarten Weeping' 19
Cornus kousa 'Medusa' 4
Cornus kousa 'Milky Way' 1
Cornus kousa 'Satomi' 4
Cornus kousa 'Steeple' 2
Cornus kousa 'Summer Fun' 3
Cornus kousa 'Summer Games' 1
Cornus kousa 'Summer Gold' 4
Cornus kousa 'Trinity Star' 8
Cornus kousa 'Wolf Eyes' 2
Cornus macrophylla 24
Cornus mas 27
Cornus mas 'Aurea' 9
Cornus mas 'Aureoelegantissima' 3
Cornus mas 'Elegant' 4
Cornus mas 'Flava' 2
Cornus mas 'Pioneer' 7
Cornus mas 'Variegata' 16
Cornus mas 'Vidubetskii' 2
Cornus 'Ncch1' 3
Cornus 'Norman Hadden' 4
Cornus nuttallii 6
Cornus officinalis 36
Cornus officinalis 'Kintoki' 31
Cornus officinalis 'Spring Glow' 83
Cornus 'Porlock' 12
Cornus pumila 5
Cornus quinquenervis 14
Cornus racemosa 1
Cornus rugosa 4
Cornus 'Rutban' 3
Cornus 'Rutcan' 37
Cornus (Rutdan variegated) 2
Cornus 'Rutgan' 2
Cornus 'Rutlan' 4
Cornus sanguinea 'Anny's Winter Orange' 4
Cornus sanguinea 'Midwinter Fire' 76
Cornus sanguinea 'Winter Beauty' 2
Cornus stolonifera 4
Cornus stolonifera 'Avalon Gold' 8
Cornus stolonifera 'Baileyi' 2
Cornus stolonifera 'Cardinal' 1
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 25
Corokia cotoneaster 23
Corokia macrocarpa 3
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 selloana 10
Cortaderia selloana 'Aureolineata' 4
Cortaderia selloana 'Blue Bayou' 5
Cortaderia selloana 'Gold Band' 1
Cortaderia selloana 'Sunningdale Silver' 15
Corydalis 11
Corydalis 'Blackberry Wine' 1
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 lutea 11
Corydalis ochroleuca 3
Corydalis solida 1
Corydalis solida 'Beth Evans' 3
Corydalis solida 'Beth Evans' 5
Corydalis solida 'George P. Baker' 7
Corylopsis 19
Corylopsis glabrescens 5
Corylopsis glabrescens var. gotoana 25
Corylopsis glabrescens var. gotoana 'March Jewel' 10
Corylopsis glandulifera 12
Corylopsis pauciflora 19
Corylopsis sinensis 5
Corylopsis sinensis var. calvescens f. veitchiana 45
Corylopsis spicata 37
Corylopsis spicata 'Golden Spring' 8
Corylopsis spicata 'Tosa Kasumi' 1
Corylopsis willmottiae 4
Corylus 3
Corylus americana 8
Corylus avellana 'Aurea' 1
Corylus avellana 'Contorta' 62
Corylus avellana 'Fuscorubra' 1
Corylus avellana 'Pendula' 1
Corylus avellana 'Red Majestic' 7
Corylus colurna 4
Corylus fargesii 3
Corylus heterophylla var. sutchuenensis 2
Corylus maxima 3
Corylus maxima 'Purpurea' 5
Corynocarpus laevigatus 'Moonlight' 2
Corynocarpus laevigatus 'Picturata' 3
Corynocarpus laevigatus 'Variegatus' 3
Coryphantha sulcata 9
Cosmos 12
Cosmos atrosanguineus 6
Cosmos bipinnatus 12
Cosmos parviflorus 1
Cosmos sulphureus 35
Costus 4
Costus barbatus 1
Costus speciosus 7
Costus stenophyllus 1
Cotinus 14
Cotinus coggygria 18
Cotinus coggygria 'Ancot' 27
Cotinus coggygria 'Black Velvet' 7
Cotinus coggygria 'Little Ruby' 1
Cotinus coggygria 'Royal Purple' 5
Cotinus coggygria 'Young Lady' 10
Cotinus 'Grace' 10
Cotinus obovatus 4
Cotoneaster 21
Cotoneaster atropurpureus 'Variegatus' 2
Cotoneaster bullatus 3
Cotoneaster cashmiriensis 2
Cotoneaster dammeri 5
Cotoneaster dammeri 'Streib's Findling' 1
Cotoneaster franchetii 10
Cotoneaster glaucophyllus 1
Cotoneaster horizontalis 7
Cotoneaster horizontalis 'Variegatus' 4
Cotoneaster lancasteri 3
Cotoneaster microphyllus 3
Cotoneaster morrisonensis 3
Cotoneaster pannosus 4
Cotoneaster 'Rothschildianus' 2
Cotoneaster salicifolius 1
Cotoneaster salicifolius 'Avonbank' 4
Cotula 1
Cotula hispida 5
Cotula squalida 1
Cotyledon 1
Cotyledon orbiculata 2
Cotyledon orbiculata var. oblonga 8
Couroupita guianensis 7
Craibiodendron yunnanensis 4
Crambe maritima 2
Crassula 1
Crassula corallina 3
Crassula ovata 6
Crassula peploides 2
Crataegus 8
Crataegus crus-galli 4
Crataegus laevigata 'Crimson Cloud' 5
Crataegus marshallii 6
Crataegus monogyna 2
Crataegus monogyna 'Inermis Compacta' 1
Crataegus phaenopyrum 6
Crataegus pubescens f. stipulacea 4
Crataegus spathulata 1
Crataegus viridis 'Winter King' 3
Cremastra appendiculata 15
Crepis 2
Crepis acuminata 4
Crepis rubra 5
Crinodendron hookerianum 13
Crinodendron hookerianum 'Ada Hoffmann' 2
Crinodendron patagua 5
Crinum 70
Crinum 'Alamo Village' 12
Crinum americanum 2
Crinum asiaticum 4
Crinum asiaticum var. japonicum 7
Crinum asiaticum var. procerum f. splendens 11
Crinum ×augustum 5
Crinum 'Bradley' 7
Crinum bulbispermum 18
Crinum buphanoides (PDN#64) 2
Crinum 'Carnival' 8
Crinum 'Carolina Beauty' 12
Crinum 'Cecil Houdyshel' 11
Crinum ×digweedii 'Mahon' 7
Crinum (dwarf) 1
Crinum ×eboracii 'Twelve Apostles' 3
Crinum 'Elizabeth Traub' 4
Crinum 'Ellen Bosanquet' 7
Crinum firmifolium 4
Crinum ×herbertii 'Carol Abbott' 5
Crinum ×herbertii 'Schreck' 2
Crinum jagus 2
Crinum 'Kridler Clone' 4
Crinum macowanii 1
Crinum 'Menehune' 2
Crinum moorei (pink hybrid) 5
Crinum 'Mrs. James Hendry' 4
Crinum ×powellii 16
Crinum 'Sangria' 25
Crinum 'Summer Nocturne' 4
Crinum 'Sundance' 1
Crinum 'White Queen' 12
Crinum zeylanicum 1
Crocosmia 19
Crocosmia ×crocosmiiflora 'George Davidson' 11
Crocosmia ×crocosmiiflora 'Venus' 1
Crocosmia 'Emberglow' 1
Crocosmia 'Lucifer' 5
Crocosmia 'Solfaterre' 4
Crocosmia 'Walbreyes' 3
Crocus 58
Crocus ancyrensis 'Golden Bunch' 21
Crocus angustifolius 7
Crocus biflorus 'Miss Vain' 15
Crocus cancellatus 3
Crocus chrysanthus 4
Crocus chrysanthus 'Ard Schenk' 10
Crocus chrysanthus 'Blue Bird' 5
Crocus chrysanthus 'Blue Pearl' 19
Crocus chrysanthus 'Cream Beauty' 7
Crocus chrysanthus 'E. P. Bowles' 2
Crocus chrysanthus 'Fuscotinctus' 6
Crocus chrysanthus 'Herald' 12
Crocus chrysanthus 'Ladykiller' 5
Crocus chrysanthus 'Prins Klaus' 1
Crocus chrysanthus 'Romance' 6
Crocus chrysanthus 'Zwanenburg Bronze' 4
Crocus etruscus 'Zwanenburg' 1
Crocus flavus 1
Crocus flavus 'Golden Yellow' 12
Crocus goulimyi 2
Crocus imperati 'De Jager' 28
Crocus isauricus 'Spring Beauty' 8
Crocus minimus 8
Crocus ochroleucus 4
Crocus olivieri subsp. balansae 'Zwanenburg' 9
Crocus sativus 8
Crocus sieberi subsp. atticus 16
Crocus sieberi 'Firefly' 9
Crocus sieberi subsp. sublimis 'Tricolor' 5
Crocus speciosus 10
Crocus tommasinianus 1
Crocus tommasinianus 'Barr's Purple' 10
Crocus tommasinianus 'Lilac Beauty' 6
Crocus tommasinianus 'Pictus' 2
Crocus tommasinianus 'Roseus' 3
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' 2
Crocus versicolor 'Picturatus' 1
Crocus 'Yalta' 2
Crossandra 1
Crossandra infundibuliformis 1
Croton 7
Croton alabamensis 16
Cryptantha 8
Cryptantha fendleri 2
Cryptantha virgata 3
Cryptanthus 2
Cryptogramma acrostichoides 4
Cryptomeria japonica 64
Cryptomeria japonica 'Araucarioides' 3
Cryptomeria japonica 'Beaumont's Dwarf' 4
Cryptomeria japonica 'Benjamin Franklin' 3
Cryptomeria japonica 'Birodo Sugi' 1
Cryptomeria japonica 'Black Dragon' 1
Cryptomeria japonica 'Compressa' 4
Cryptomeria japonica 'Cristata' 2
Cryptomeria japonica 'Dacrydioides' 7
Cryptomeria japonica 'Elegans' 14
Cryptomeria japonica 'Elegans Aurea' 7
Cryptomeria japonica 'Elegans Nana' 6
Cryptomeria japonica 'Globosa Nana' 6
Cryptomeria japonica 'Golden Promise' 4
Cryptomeria japonica 'Gracilis' 2
Cryptomeria japonica 'Gyokuryu' 4
Cryptomeria japonica 'Kilmacurragh' 1
Cryptomeria japonica 'Knaptonensis' 4
Cryptomeria japonica 'Koshyi' 7
Cryptomeria japonica 'Little Diamond' 3
Cryptomeria japonica 'Littleworth Dwarf' 1
Cryptomeria japonica 'Lobbii' 1
Cryptomeria japonica 'Lobbii Nana Aurea' 1
Cryptomeria japonica 'Majiro' 3
Cryptomeria japonica 'Nana' 2
Cryptomeria japonica 'Nana Albospica' 1
Cryptomeria japonica 'Pom Pom' 3
Cryptomeria japonica var. radicans 3
Cryptomeria japonica 'Rasen' 8
Cryptomeria japonica 'Rein's Dense Jade' 6
Cryptomeria japonica 'Sekkan' 27
Cryptomeria japonica var. sinensis 26
Cryptomeria japonica 'Spiralis' 2
Cryptomeria japonica 'Spiraliter Falcata' 3
Cryptomeria japonica 'Taisho Tama' 5
Cryptomeria japonica 'Tansu' 2
Cryptomeria japonica 'Tenzan' 1
Cryptomeria japonica 'Vilmoriniana' 2
Cryptomeria japonica 'Winter Mint' 2
Cryptomeria japonica 'Yellow Twig' 4
Cryptomeria japonica 'Yoshino' 10
Ctenitis subglandulosa (BJH 1535) 1
Cucumis 4
Cucumis melo 7
Cucumis sativus 17
Cucurbita 3
Cucurbita foetidissima 2
Cucurbita pepo 29
Cunninghamia 1
Cunninghamia lanceolata 16
Cunninghamia lanceolata 'Chason's Gift' 19
Cunninghamia lanceolata 'Glauca' 7
Cunninghamia lanceolata var. konishii 8
Cunninghamia lanceolata 'Samurai' 4
Cunninghamia lanceolata 'Tom Dodd's Dwarf' 1
Cunninghamia unicanaliculata 3
Cuphea 12
Cuphea cyanea 1
Cuphea glutinosa 2
Cuphea ignea 4
Cuphea laevis 1
Cuphea melvilla 'David Verity' 5
Cuphea micropetala 18
Cuphea pinetorum 2
Cupressus 15
Cupressus arizonica 7
Cupressus arizonica 'Blue Ice' 7
Cupressus arizonica 'Carolina Sapphire' 6
Cupressus arizonica 'Golden Pyramid' 6
Cupressus arizonica 'Limelight' 25
Cupressus arizonica 'Pyramidalis' 1
Cupressus arizonica 'Sapphire Skies' 6
Cupressus arizonica 'Sulfurea' 8
Cupressus cashmeriana 10
Cupressus chengiana 2
Cupressus duclouxiana 3
Cupressus funebris 11
Cupressus gigantea 1
Cupressus goveniana var. pigmaea 1
Cupressus guadalupensis 4
Cupressus macrocarpa 27
Cupressus macrocarpa 'Donard Gold' 16
Cupressus macrocarpa 'Golden Pillar' 5
Cupressus macrocarpa 'Greenstead Magnificent' 1
Cupressus macrocarpa 'Horizontalis Ameritiana Aurea' 1
Cupressus macrocarpa 'Lutea' 1
Cupressus macrocarpa 'Saligna Aurea' 1
Cupressus macrocarpa 'Wilma Goldcrest' 6
Cupressus sargentii 1
Cupressus sempervirens 31
Cupressus sempervirens var. dupreziana 1
Cupressus sempervirens 'Swaine's Golden' 2
×Cuprocyparis leylandii 88
×Cuprocyparis leylandii 'Castlewellan' 5
×Cuprocyparis leylandii 'Golconda' 4
×Cuprocyparis leylandii 'Gold Rider' 2
×Cuprocyparis leylandii 'Gold Rider Silver' 1
×Cuprocyparis leylandii 'Green Spire' 1
×Cuprocyparis leylandii 'Harlequin' 3
×Cuprocyparis leylandii 'Naylor's Blue' 1
×Cuprocyparis leylandii 'Picturesque' 27
×Cuprocyparis leylandii 'Silver Dust' 2
×Cuprocyparis leylandii 'Star Wars' 2
Curcuma 1
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 22
Curcuma petiolata 'Emperor' 9
Curcuma 'Purple Tip' 1
Curcuma 'Raspberry' 10
Curcuma 'Royal Scepter' 5
Curcuma 'Sulee Sunshine' 2
Curtisia dentata 4
Cuscuta 3
Cuscuta pentagona 1
Cussonia paniculata 6
Cyananthus sherriffii 2
Cyathea brownii 2
Cyathea dealbata 5
Cyathea kermadecensis 2
Cyathea medullaris 2
Cyathea smithii 2
Cyathea spinulosa 9
Cyathodes parviflora 2
Cycas 10
Cycas circinalis 3
Cycas panzhihuaensis 6
Cycas revoluta 25
Cycas segmentifida 1
Cyclamen 57
Cyclamen cilicium 6
Cyclamen coum 65
Cyclamen coum 'Maurice Dryden' 3
Cyclamen coum 'Something Magic' 2
Cyclamen graecum 9
Cyclamen hederifolium 59
Cyclamen hederifolium Album Group 2
Cyclamen hederifolium Ashwood Nurseries Silver Leaf Group 27
Cyclamen hederifolium var. hederifolium f. albiflorum 7
Cyclamen hederifolium 'Silver Arrow' 3
Cyclamen persicum 21
Cyclamen persicum var. persicum f. puniceum 1
Cyclamen pseudibericum 2
Cyclamen pseudibericum f. roseum 1
Cyclamen purpurascens 15
Cyclamen purpurascens (Fatra form) 5
Cyclocarya paliurus 1
Cydonia oblonga 10
Cylindropuntia 9
Cylindropuntia davisii 3
Cylindropuntia davisii (gold spine) 1
Cylindropuntia imbricata 10
Cylindropuntia imbricata 'Mosaic Melody' 7
Cylindropuntia leptocaulis 1
Cylindropuntia ×multigeniculata 2
Cylindropuntia ramosissima 4
Cylindropuntia spinosior 2
Cylindropuntia versicolor 2
Cylindropuntia whipplei 5
Cylindropuntia whipplei var. whipplei 15
Cymbalaria muralis 6
Cymbidium 15
Cymbidium goeringii 3
Cymbidium goeringii (A1K-264) 3
Cymbidium sinense 12
Cymophyllus fraserianus 3
Cynanchum 1
Cynanchum ascyrifolium 7
Cynanchum chekiangense 5
Cynara 1
Cynara cardunculus 16
Cynara cardunculus 'Porto Spineless' 2
Cynara cardunculus Scolymus Group 14
Cynara cardunculus [Scolymus Group] 'Green Globe' 52
Cynara humilis 2
Cynara scolymus 11
Cynoglossum amabile 4
Cypella coelestis 12
Cypella herbertii 6
Cypella osteniana 2
Cyperus 7
Cyperus albostriatus 'Nanus' 3
Cyperus alternifolius 10
Cyperus alternifolius 'Variegatus' 1
Cyperus 'Baby Tut' 1
Cyperus haspan 1
Cyperus papyrus 35
Cyperus papyrus 14
Cyperus rotundus 4
Cypripedium 15
Cypripedium acaule 28
Cypripedium 'Annegret' 2
Cypripedium calceolus 5
Cypripedium californicum 16
Cypripedium 'Dietrich' 3
Cypripedium 'Gabriela' 2
Cypripedium japonicum 5
Cypripedium macranthos 1
Cypripedium parviflorum 2
Cypripedium 'Philipp' 8
Cypripedium reginae 4
Cyrilla 2
Cyrilla arida 1
Cyrilla parvifolia 2
Cyrilla parvifolia 'Josephine' 2
Cyrilla racemiflora 13
Cyrilla racemiflora 'Spring Cloud' 1
Cyrtanthus ×henryi 4
Cyrtochilum murinum 2
Cyrtomium 2
Cyrtomium caryotideum 2
Cyrtomium falcatum 3
Cyrtomium falcatum 'Shishi' 2
Cyrtomium cf. fortunei 2
Cyrtomium urophyllum 1
Cyrtosperma merkusii 2
Cyrtostachys renda 6
Cystopteris fragilis 5
Cytisus 14
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 4
Daboecia cantabrica f. alba 4
Daboecia cantabrica 'Atropurpurea' 12
Daboecia cantabrica 'Bubbles' 3
Daboecia cantabrica 'Rainbow' 3
Dacrycarpus dacrydioides 8
Dacrydium cupressinum 14
Dactylicapnos macrocapnos 13
Dactylicapnos scandens 2
Dactylicapnos scandens 'Athens Yellow' 1
Dactylorhiza 3
Dactylorhiza fuchsii 1
Dactylorhiza ×grandis 11
Dactylorhiza maculata 3
Dactylorhiza praetermissa 1
Dahlia 262
Dahlia 'Bell Boy' 1
Dahlia 'Bishop of Canterbury' 6
Dahlia 'Bishop of Llandaff' 10
Dahlia 'Bishop of Oxford' 3
Dahlia 'Bishop of York' 4
Dahlia 'Classic Elise' 3
Dahlia 'Classic Giselle' 5
Dahlia 'Classic Summertime' 7
Dahlia coccinea 13
Dahlia 7
Dahlia 8
Dahlia 'David Howard' 4
Dahlia 'Ellen Huston' 7
Dahlia 'Evelyn Rumbold' 1
Dahlia (ex. 'Knockout') 19
Dahlia (ex. 'Roxy') 12
Dahlia 'Forncett Furnace' 13
Dahlia 'Gallery Cobra' 6
Dahlia 'HS Party' 1
Dahlia imperialis 24
Dahlia 'Joliet' 5
Dahlia 'Knockout' 20
Dahlia 'Masquerade' 3
Dahlia merckii 2
Dahlia 'Roodkapje' 5
Dahlia 'Rosamunde' 2
Dahlia 'Roxy' 3
Dahlia 'Swanlake' 7
Dahlia 'Trelawny' 1
Dahlia 'Vaguely Noble' 1
Dahlia 'Ventura' 1
Dalbergia hupeana 7
Dalea candida 2
Dalea ornata 5
Dalechampia dioscoreifolia 2
Dalechampia roezliana 4
Danae racemosa 15
Daphne 41
Daphne arisanensis 4
Daphne bholua 4
Daphne ×burkwoodii 'Briggs Moonlight' 7
Daphne ×burkwoodii 'Carol Mackie' 12
Daphne caucasica 7
Daphne cneorum 4
Daphne cneorum 'Exima' 3
Daphne cneorum var. pygmaea 'Alba' 2
Daphne cneorum 'Ruby Glow' 1
Daphne collina 4
Daphne genkwa 42
Daphne ×hendersonii 3
Daphne 'Hinton' 4
Daphne ×houtteana 9
Daphne jasminea 4
Daphne jezoensis 1
Daphne jezoensis 'Suzuki Starburst' 2
Daphne kosaninii 6
Daphne laureola 2
Daphne longilobata 1
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' 50
Daphne odora 'Geisha Girl' 3
Daphne odora 'Hewreb' 5
Daphne odora 'Maejima' 6
Daphne odora 'Nakafu' 5
Daphne odora 'Ringmaster' 2
Daphne odora 'Shinano Nishiki' 3
Daphne odora 'Zuiko Nishiki' 33
Daphne oleoides 2
Daphne oleoides var. kurdica 2
Daphne pseudomezereum 6
Daphne retusa 3
Daphne ×schlyteri 7
Daphne 'Stasek' 5
Daphne ×susannae 'Cheriton' 2
Daphne ×susannae 'Lawrence Crocker' 6
Daphne tangutica 8
Daphne ×transatlantica 'Beulah Cross' 2
Daphne ×transatlantica 'Blafra' 10
Daphne ×transatlantica 'Summer Ice' 2
Daphniphyllum 13
Daphniphyllum aff. angustifolium 2
Daphniphyllum calycinum 6
Daphniphyllum chartaceum 3
Daphniphyllum himalayense subsp. himalayense 2
Daphniphyllum humile 5
Daphniphyllum longistylum 1
Daphniphyllum macropodum 48
Daphniphyllum pentandrum 2
Daphniphyllum teijsmannii 'Mountain Dove' 7
Daphniphyllum teijsmannii 'Snow Country' 8
Daphniphyllum teysmannii 3
Darlingtonia 1
Darlingtonia californica 29
Darmera peltata 8
Dasylirion 6
Dasylirion acrotrichum 6
Dasylirion berlandieri 12
Dasylirion cedrosanum 4
Dasylirion durangense 1
Dasylirion glaucophyllum 1
Dasylirion leiophyllum 1
Dasylirion longissimum 3
Dasylirion lucidum 2
Dasylirion miquihuanense 1
Dasylirion quadrangulatum 2
Dasylirion texanum 16
Dasylirion wheeleri 26
Datisca cannabina 7
Datisca cannabina (DHTU0005) 3
Datura 12
Datura inoxia 2
Datura metel 6
Datura wrightii 7
Datura wrightii 'Missouri Marble' 1
Daucus carota 8
Davallia 3
Davidia involucrata 63
Davidia involucrata 'Platt's Variegated' 4
Davidia involucrata 'Sonoma' 10
Davidia involucrata (variegated form) 1
Davidia involucrata 'White Dust' 1
Debregeasia orientalis 2
Decaisnea fargesii 4
Decatropis bicolor 2
Decumaria 2
Decumaria barbara 4
Decumaria barbara 'Chatooga' 3
Decumaria sinensis 1
Degenia velebitica 3
Deinanthe bifida 5
Deinanthe caerulea 2
Delosperma 12
Delosperma ashtonii 4
Delosperma basuticum 7
Delosperma congestum 1
Delosperma cooperi 6
Delosperma ecklonis 1
Delosperma ecklonis var. latifolia 5
Delosperma floribundum 'Starburst' 14
Delosperma 'Fuchsia Finite' 3
Delosperma 'Grahamstown Ghost' 4
Delosperma 'John Proffitt' 1
Delosperma karroojum 2
Delosperma 'Kelaidis' 6
Delosperma nelii 5
Delosperma nubigenum 2
Delosperma nubigenum 'Basutoland' 9
Delosperma 'Oberg' 3
Delosperma 'P001s' 12
Delosperma sphalmanthoides 1
Delosperma sutherlandii 1
Delphinium 54
Delphinium barbeyi 11
Delphinium carolinianum 3
Delphinium carolinianum subsp. virescens 4
Delphinium cashmerianum 2
Delphinium 'Connecticut Yankees' 1
Delphinium tatsienense 4
Delphinium tricorne 21
Dendrobium 10
Dendrobium nobile 2
Dendrobium spectabile 3
Dendropanax 5
Dendropanax dentiger 9
Dendropanax proteus 3
Dendropanax trifidus 15
Denmoza rhodacantha 15
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 10
Deutzia coreana var. triradiata 6
Deutzia corymbosa 2
Deutzia crenata 'Summer Snow' 4
Deutzia ×elegantissima 'Rosealind' 2
Deutzia glabrata 6
Deutzia gracilis 8
Deutzia gracilis 'Duncan' 16
Deutzia gracilis 'Nikko' 8
Deutzia gracilis 'Nikko Dawn' 11
Deutzia gracilis 'Variegata' 1
Deutzia hookeriana 2
Deutzia ×hybrida 'Magicien' 2
Deutzia ×hybrida 'Strawberry Fields' 6
Deutzia ×hybrida 'Tourbillon Rouge' 11
Deutzia ×kalmiiflora 4
Deutzia ×lemoinei 17
Deutzia longifolia 'Veitchii' 2
Deutzia aff. madrensis 2
Deutzia ningpoensis 5
Deutzia parviflora 2
Deutzia pulchra 2
Deutzia ×rosea 2
Deutzia rubens 12
Deutzia scabra 2
Deutzia scabra 'Pink Minor' 4
Deutzia scabra 'Pride of Rochester' 2
Deutzia scabra 'Variegata' 6
Deutzia scabra 'White Splash' 5
Deutzia setchuenensis 2
Deutzia setchuenensis var. corymbiflora 22
Deutzia taiwanensis 2
Diamorpha smallii 7
Dianella 1
Dianella caerulea 'DBB03' 5
Dianella caerulea 'John 316' 3
Dianella ensifolia 'Yushan' 3
Dianella revoluta 'DTN03' 2
Dianella tasmanica 7
Dianella tasmanica 'Gold Stripe' 2
Dianella tasmanica 'Variegata' 2
Dianella tasmanica 'Yellow Stripe' 2
Dianthus 58
Dianthus ×allwoodii 'Frosty Fire' 12
Dianthus alpinus 2
Dianthus amurensis 'Siberian Blue' 13
Dianthus anatolicus 6
Dianthus arpadianus var. pumilus 1
Dianthus ×arvernensis 2
Dianthus barbatus 3
Dianthus callizonus 1
Dianthus caryophyllus 108
Dianthus caryophyllus 'Fenbow Nutmeg Clone' 7
Dianthus chinensis 1
Dianthus 'Chris's Passalong' 20
Dianthus 'Corona Cherry Magic' 2
Dianthus deltoides 'Arctic Fire' 2
Dianthus erinacea var. alpina 1
Dianthus giganteiformis subsp. pontederae 14
Dianthus gratianopolitanus 1
Dianthus gratianopolitanus 'Bath's Pink' 4
Dianthus gratianopolitanus 'Feuerhexe' 3
Dianthus gratianopolitanus 'Royal Midget' 8
Dianthus gratianopolitanus 'Tiny Rubies' 1
Dianthus knappii 1
Dianthus langeanus 5
Dianthus 'Little Boy Blue' 5
Dianthus microlepis 5
Dianthus 'Mountain Mist' 7
Dianthus nitidus 3
Dianthus pinifolius 5
Dianthus pygmaeus 4
Dianthus 'Queen of Hearts' 1
Dianthus 'Raspberry Magic' 3
Dianthus superbus 5
Dianthus 'Tiny Rubies' 1
Diascia 2
Diascia integerrima 'Coral Canyon' 2
Dicentra 8
Dicentra 'Bacchanal' 1
Dicentra canadensis 4
Dicentra cucullaria 6
Dicentra eximia 16
Dicentra eximia 'Dolly Sods' 4
Dicentra formosa 5
Dicentra formosa subsp. oregana 12
Dicentra 'Stuart Boothman' 2
Dichelostemma capitatum 7
Dichelostemma congestum 'Pink Diamond' 17
Dichelostemma ida-maia 2
Dichondra 2
Dichondra argentea 'Silver Falls' 6
Dichorisandra thyrsiflora 3
Dichroa 1
Dichroa febrifuga 26
Dichroa versicolor 3
Dichroa aff. yaoshanensis 4
Dicksonia 3
Dicksonia fibrosa 3
Dicksonia lanata 1
Dicksonia squarrosa 5
Dicliptera suberecta 4
Dictamnus 1
Dictamnus albus 5
×Didrangea versicolor 5
Dieffenbachia 8
Dierama 11
Dierama dracomontanum 7
Dierama igneum 6
Dierama jucundum 3
Dierama pauciflorum 2
Dierama pendulum 2
Dierama pulcherrimum 9
Dierama reynoldsii 2
Diervilla rivularis 'Troja Black' 8
Diervilla sessilifolia 'Lpdc Podaras' 6
Dietes bicolor 3
Digitalis 15
Digitalis ferruginea 8
Digitalis 'Flame' 3
Digitalis grandiflora 2
Digitalis lutea 3
Digitalis lutea subsp. australis 1
Digitalis obscura 10
Digitalis purpurea 25
Digitalis purpurea f. albiflora 1
Digitalis thapsi 3
Dionaea 4
Dionaea muscipula 68
Dionaea muscipula 'Red Cup' 2
Dioon edule 4
Dioon edule var. angustifolium 2
Dioon edule var. angustifolium 'Palma Sola' 3
Dioon merolae 4
Dioon spinulosum 7
Dioscorea 1
Diospyros cathayensis 8
Diospyros glabra 1
Diospyros kaki 41
Diospyros kaki 'Gwang Yang' 5
Diospyros kaki 'Pendula' 10
Diospyros lotus 8
Diospyros oleifera 3
Diospyros rhombifolia 3
Diospyros rhombifolia 'Suisei' 5
Diospyros texana 6
Diospyros virginiana 10
Diospyros wilsonii 2
Dipelta ventricosa 5
Dipentodon sinicus 3
Diphylleia cymosa 10
Diphylleia sinensis 2
Diplarrhena moraea 4
Diplazium australe 1
Diplazium maximum 3
Diplazium maximum (T-728/05) 2
Diplazium pycnocarpon 1
Diplazium subsinuatum 4
Dipsacus 1
Dipsacus fullonum 2
Dipteris conjugata 2
Dipteronia sinensis 3
Dirca palustris 25
Disa ×watsonii 'Sandra' 3
Disanthus cercidifolius 6
Diselma archeri 8
Disphyma papillatum 2
Disporopsis 4
Disporopsis aspersa 7
Disporopsis pernyi 11
Disporopsis pernyi (Waddich form) 2
Disporum 6
Disporum cf. bodinieri 1
Disporum brachystemon 5
Disporum cantoniense 4
Disporum cantoniense 'Aureovariegata' 2
Disporum cantoniense 'Green Giant' 3
Disporum flavens 24
Disporum flavens (Simm's variegated) 4
Disporum longistylum 9
Disporum longistylum 'Awa-no-tsuki' 3
Disporum longistylum 'Shina-no-tsuki' 7
Disporum nantauense 1
Disporum sessile 'Variegatum' 7
Disporum smilacinum 'Chigyo Yuri Mine' 2
Distictis buccinatoria 2
Distylium 6
Distylium myricoides 1
Distylium myricoides 'Lucky Charm' 1
Distylium myricoides 'sPg-3-007' 4
Distylium racemosum 4
Distylium racemosum 'Guppy' 3
Distylium racemosum (Mr. Ishii's variegated) 1
Distylium racemosum (white margin) 4
Dizygotheca elegantissima 6
Dodecatheon 4
Dodecatheon meadia 19
Dodecatheon meadia 'Album' 5
Dodonaea viscosa 5
Dodonaea viscosa 'Moonbeam' 2
Dodonaea viscosa 'Purpurea' 4
Dombeya 2
Dombeya ×cayeuxii 3
Draba aurea 2
Draba crassa 3
Draba crassifolia 1
Draba hispanica 6
Draba lasiocarpa 3
Draba oligosperma 6
Draba polytricha 1
Draba ramosissima 1
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 'Tricolor' 3
Dracocephalum argunense 1
Dracocephalum ruyschiana 1
Dracophyllum filifolium 1
Dracophyllum strictum 2
Dracophyllum traversii 3
Dracunculus vulgaris 54
Dracunculus vulgaris (A1CR-054A) 2
Dracunculus vulgaris (A1CR-057) 2
Dregea sinensis 2
Drimiopsis maculata 2
Drimys lanceolata 8
Drimys lanceolata 'Suzette' 1
Drimys winteri 13
Drimys winteri var. chilensis 1
Drosanthemum 3
Drosera 17
Drosera brevifolia 8
Drosera capensis 2
Drosera capillaris 23
Drosera intermedia 14
Drosera tracyi 3
Dryas octopetala 3
Dryas octopetala subsp. hookeriana 17
Dryopteris 11
Dryopteris affinis 'Cristata The King' 2
Dryopteris affinis 'Gotemba Crested' 2
Dryopteris erythrosora 5
Dryopteris erythrosora var. koidzumiana 2
Dryopteris intermedia 1
Dryopteris wallichiana 2
Dudleya candida 1
Dudleya collomiae (A1AZ-010) 1
Dudleya farinosa 14
Duranta 1
Duranta erecta 8
Duranta erecta 'Aurea' 2
Duranta erecta 'Golden Edge' 3
Dyckia 6
Dyckia brevifolia 3
Dyckia choristaminea 'Frazzle Dazzle' 1
Dyckia 'Picante' 1
Dyckia velascana × D. encholirioides 15
Dypsis baronii 2
Dyschoriste linearis 5
Ebenus cretica 6
Ebracteola wilmaniae 6
Eccremocarpus scaber 3
Echeandia 1
Echeandia texensis 4
Echeveria 15
Echeveria agavoides 1
Echeveria 'Black Prince' 2
Echeveria runyonii 26
Echeveria runyonii 'Topsey Turvey' 5
Echinacea 31
Echinacea angustifolia 4
Echinacea 'Balsomsed' 3
Echinacea 'Colorburst Orange' 6
Echinacea 'Conekim' 1
Echinacea 'Conevin' 4
Echinacea 'Firebird' 7
Echinacea 'Flame Thrower' 16
Echinacea 'Gemini Pink' 1
Echinacea 'Glowing Dream' 5
Echinacea 'Katie Saul' 3
Echinacea laevigata 15
Echinacea 'Mama Mia' 2
Echinacea 'Matthew Saul' 3
Echinacea 'Maui Sunshine' 1
Echinacea 'Meteor Red' 1
Echinacea pallida 19
Echinacea paradoxa var. neglecta 4
Echinacea paradoxa var. paradoxa 3
Echinacea purpurea 69
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' 2
Echinacea purpurea 'Merlot' 4
Echinacea purpurea 'Pink Poodle' 7
Echinacea purpurea 4
Echinacea purpurea 3
Echinacea purpurea 'Raspberry Tart' 2
Echinacea purpurea 'Ruby Giant' 1
Echinacea purpurea 'Stewarts Pink' 14
Echinacea 'Quills 'N Thrills' 10
Echinacea sanguinea 6
Echinacea 'Secret Glow' 5
Echinacea simulata 4
Echinacea 'Solar Flare' 2
Echinacea 'Sunrise' 14
Echinacea 'Tangerine Dream' 7
Echinacea tennesseensis 6
Echinacea 'Tiki Torch' 8
Echinacea 'Tomato Soup' 2
Echinocactus 3
Echinocactus polycephalus 1
Echinocactus texensis 5
Echinocereus 13
Echinocereus coccineus 17
Echinocereus engelmannii 5
Echinocereus fendleri 16
Echinocereus majavensis 2
Echinocereus reichenbachii 2
Echinocereus reichenbachii var. albispinus 7
Echinocereus reichenbachii subsp. baileyi 2
Echinocereus reichenbachii var. perbellus 2
Echinocereus reichenbachii var. perbellus (DJF1637) 2
Echinocereus reichenbachii subsp. reichenbachii 2
Echinocereus triglochidiatus 23
Echinocereus triglochidiatus (Alpine Texas form) 4
Echinocereus triglochidiatus var. inermis 8
Echinocereus triglochidiatus var. inermis 'Panayoti' 3
Echinocereus triglochidiatus (White Sands) 2
Echinocereus viridiflorus 15
Echinodorus cordifolius 'Marble Queen' 3
Echinops 7
Echinops bannaticus 'Taplow Blue' 2
Echinopsis 3
Echinopsis huascha 1
Echinopsis 'Susan Dace' 6
Echium 5
Echium aculeatum 2
Echium albicans 2
Echium candicans 3
Echium pininana 19
Echium wildpretii 4
Edgeworthia 5
Edgeworthia 'Akebono' 1
Edgeworthia chrysantha 60
Edgeworthia chrysantha (compact form) 5
Edgeworthia chrysantha × E. papyrifera 3
Edgeworthia chrysantha 'Gold Rush' 18
Edgeworthia chrysantha 'Nanjing Gold' 2
Edgeworthia chrysantha 'Snow Cream' 2
Edgeworthia chrysantha 'Winter Gold' 77
Edgeworthia gardneri 4
Edgeworthia papyrifera 17
Edgeworthia papyrifera 'Eco Yaku' 10
Edgeworthia papyrifera (ex. 'Eco Yaku') 18
Edgeworthia papyrifera 'Jitsuko Red' 1
Edgeworthia papyrifera (melon) 1
Edgeworthia 'Snow Globe' 2
Ehretia dicksonii 2
Ehretia longiflora 1
Eichhornia crassipes 2
Eichornia crassipes 3
Elaeagnus 7
Elaeagnus angustifolia 1
Elaeagnus ×ebbingei 1
Elaeagnus ×ebbingei 'Coastal Gold' 4
Elaeagnus ×ebbingei 'Gilt Edge' 2
Elaeagnus ×ebbingei 'Lannou' 3
Elaeagnus ×ebbingei 'Limelight' 2
Elaeagnus multiflora 4
Elaeagnus pungens 4
Elaeagnus pungens 'Chirifu' 4
Elaeagnus pungens 'Dicksonii' 2
Elaeagnus pungens 'Hosoba Fukurin' 4
Elaeagnus pungens 'Maculata' 2
Elaeagnus pungens 'Variegata' 2
Elaeagnus viridis var. delavayi 3
Elaeocarpus decipiens 14
Elaeocarpus glabripetalus 3
Elaeocarpus sylvestris 5
Elaphoglossum 1
Elatostema rugosum 2
Elegia tectorum 1
Eleutherococcus 1
Eleutherococcus gracilistylus 2
Eleutherococcus lasiogyne 5
Eleutherococcus sieboldianus 'Variegatus' 13
Elodea canadensis 8
Elsholtzia stauntonii 6
Elymus magellanicus 1
Elymus racemosa 4
Embothrium 3
Embothrium coccineum 11
Embothrium coccineum [Lanceolatum Group] 'Ñorquinco' 4
Emmenopterys henryi 126
Encelia farinosa 7
Encephalartos ferox 5
Encephalartos hildebrandtii 3
Encephalartos horridus 1
Encephalartos woodii 3
Enkianthus 8
Enkianthus campanulatus 20
Enkianthus campanulatus 'Akatsuki' 10
Enkianthus campanulatus f. albiflorus 5
Enkianthus campanulatus 'Chichibu Beni' 4
Enkianthus campanulatus 'Fukurin Beni' 4
Enkianthus campanulatus var. palibinii 4
Enkianthus campanulatus 'Red Bells' 2
Enkianthus campanulatus 'Showy Lantern' 4
Enkianthus campanulatus var. sikokianus 2
Enkianthus campanulatus 'Variegatus' 5
Enkianthus cernuus f. rubens 4
Enkianthus cernuus f. rubens 'Yanagi-ba' 2
Enkianthus chinensis 9
Enkianthus hirtinervus 1
Enkianthus 'Kiso-no-haru' 2
Enkianthus (little leaf) 2
Enkianthus perulatus 26
Enkianthus quinqueflorus 4
Enkianthus quinqueflorus 'Pink Chandelier' 2
Enkianthus serrulatus 4
Ennealophus euryandrus 7
Ensete 6
Ensete ventricosum 4
Ensete ventricosum 'Maurelii' 17
Entelea arborescens 2
Eomecon chionantha 2
Ephedra 7
Ephedra equisetiformis 2
Ephedra equisetina 2
Ephedra fedtschenkoae 4
Ephedra gerardiana 3
Ephedra major 2
Ephedra minuta 5
Ephedra monosperma 10
Ephedra regeliana 1
Ephedra viridis 3
Epidendrum centropetalum 2
Epifagus virginiana 3
Epigaea repens 1
Epilobium 5
Epilobium canum subsp. garrettii 'Pwwg01s' 3
Epilobium canum var. latifolium 2
Epimedium 28
Epimedium cf. acuminatum 1
Epimedium 'Asiatic Hybrid' 5
Epimedium davidii 6
Epimedium diphyllum 2
Epimedium 'Domino' 12
Epimedium grandiflorum 1
Epimedium grandiflorum 'Conalba' 1
Epimedium grandiflorum 'Dark Beauty' 9
Epimedium grandiflorum 'Lilafee' 1
Epimedium grandiflorum 'Pierrie's Purple' 1
Epimedium grandiflorum 'Purple Pixie' 9
Epimedium grandiflorum 'Rose Queen' 9
Epimedium ×perralchicum 6
Epimedium ×perralchicum 'Frohnleiten' 9
Epimedium 'Pink Champagne' 1
Epimedium pinnatum 3
Epimedium 'Pretty in Pink' 1
Epimedium pubescens 12
Epimedium pubigerum 5
Epimedium rhizomatosum 2
Epimedium ×rubrum 7
Epimedium sagittatum 2
Epimedium sempervirens 1
Epimedium stellulatum 1
Epimedium sutchuenense 4
Epimedium 'The Giant' 2
Epimedium ×versicolor 'Sulphureum' 14
Epimedium ×warleyense 13
Epimedium wushanense 5
Epimedium ×youngianum 1
Epimedium ×youngianum 'Niveum' 8
Epipactis gigantea 4
Epipactis gigantea 'Serpentine Night' 2
Epiphyllum 2
Epipremnum 1
Epipremnum aureum 5
Epipremnum pinnatum 'Aureum' 8
Episcia 3
Equisetum 17
Equisetum arvense 5
Equisetum hyemale 1
Equisetum scirpoides var. striatum 1
Eragrostis spectabilis 3
Eranthemum pulchellum 1
Eranthis 3
Eranthis hyemalis 13
Eremogone franklinii 5
Eremurus 11
Eremurus himalaicus 2
Eremurus ×isabellinus 'Cleopatra' 2
Eremurus 'Lemon Meringue' 9
Eremurus 'Moneymaker' 4
Eremurus robustus 1
Eremurus 'Romance' 4
Eremurus (Spring Valley Hybrids) 9
Erica 75
Erica arborea 6
Erica arborea 'Estrella Gold' 4
Erica carnea f. alba 'Ice Princess' 3
Erica carnea f. alba 'Springwood White' 4
Erica cerinthoides 4
Erica cinerea 'Atropurpurea' 4
Erica cinerea 'Stephen Davis' 4
Erica ×darleyensis 3
Erica ×darleyensis 'Furzey' 43
Erica ×darleyensis 'George Rendall' 2
Erica ×darleyensis 'Mary Helen' 2
Erica ×darleyensis 'Mediterranean Pink' 7
Erica ×darleyensis 'Silberschmelze' 3
Erica ×darleyensis 'White Perfection' 17
Erica melanthera 3
Erica tetralix 'Swedish Yellow' 2
Erica vagans 4
Erica vagans 'Mrs D.F. Maxwell' 2
Ericameria nauseosa 2
Erigeron 14
Erigeron chrysopsidis 'Grand Ridge' 2
Erigeron compositus 10
Erigeron filifolius 7
Erigeron flagellaris 3
Erigeron glaucus 13
Erigeron glaucus 'Olga' 3
Erigeron karvinskianus 8
Erigeron karvinskianus 'Profusion' 2
Erigeron leiomerus 2
Erigeron linearis 2
Erigeron pinnatisectus 6
Erigeron poliospermus 2
Erigeron pulchellus 6
Erigeron pulchellus 'Meadow Muffin' 6
Erigeron quercifolius 3
Erigeron speciosus 6
Erinacea anthyllis 7
Eriobotrya cavaleriei 3
Eriobotrya deflexa 8
Eriobotrya japonica 24
Eriobotrya japonica 'Coppertone' 3
Eriocaulon 1
Eriocaulon compressum 8
Eriocaulon decangulare (tall form) 3
Eriogonum 45
Eriogonum jamesii 10
Eriogonum kennedyi 2
Eriogonum racemosum 2
Eriogonum sphaerocephalum 2
Eriogonum umbellatum 8
Eriogonum umbellatum var. aureum 1
Eriogonum umbellatum var. aureum 'Psdowns' 4
Eriogonum umbellatum var. polyanthum 1
Eriogonum umbellatum var. polyanthum 'Shasta Sulfur' 2
Eriogonum umbellatum var. porteri 3
Eriogonum wrightii 4
Eriophyllum lanatum 2
Eriostemon myoporoides 'Profusion' 3
Eritrichium aretioides 1
Eritrichium nanum var. elongatum 6
Erodium 4
Erodium atlanticum var. cossonii 2
Erodium cheilanthifolium 4
Erodium manescavi 4
Erodium pelargoniiflorum 1
Erodium reichardii 1
Erodium reichardii 'Charm' 6
Erodium rupestre 3
Eryngium 26
Eryngium agavifolium 1
Eryngium amethystinum 1
Eryngium aquaticum var. ravenellii 2
Eryngium bourgatii 6
Eryngium bromeliifolium 2
Eryngium ebracteatum 4
Eryngium eburneum 5
Eryngium giganteum 13
Eryngium guatamalense 2
Eryngium 'La Canada' 2
Eryngium pandanifolium 3
Eryngium planum 5
Eryngium serra 5
Eryngium variifolium 5
Eryngium venustum 3
Eryngium vesiculosum 1
Eryngium yuccifolium 2
Eryngium yuccifolium 'Kershaw Blue' 3
Erysimum 18
Erysimum bicolor 2
Erysimum capitatum 26
Erysimum cheiri 5
Erysimum hieraciifolium 'Pas415016' 2
Erysimum linifolium 2
Erysimum linifolium 'Bowles Mauve' 8
Erysimum linifolium 'Variegatum' 1
Erysimum wheeleri 4
Erythrina 10
Erythrina ×bidwillii 10
Erythrina corallodendron 1
Erythrina crista-galli 2
Erythrina herbacea 6
Erythronium 19
Erythronium americanum 20
Erythronium californicum 'White Beauty' 1
Erythronium dens-canis 2
Erythronium dens-canis 'Rose Queen' 1
Erythronium 'Pagoda' 7
Erythronium tuolumnense 6
Erythronium umbilicatum 35
Erythronium umbilicatum (white flower) 14
Escallonia 6
Escallonia alpina 4
Escallonia laevis 'Gold Ellen' 1
Escallonia tucumanensis 4
Eschscholzia 5
Eschscholzia californica 28
Escobaria missouriensis 9
Escobaria orcutlii var. koensgii 2
Escobaria sneedii subsp. leei 7
Escobaria vivipara 36
Escobaria vivipara var. deserti (fasciated form) 2
Eubotrys recurva 1
Eucalyptus 41
Eucalyptus ambigua 3
Eucalyptus archeri 4
Eucalyptus camphora 4
Eucalyptus cinerea 8
Eucalyptus citriodora 5
Eucalyptus coccifera 10
Eucalyptus dalrympleana 2
Eucalyptus deanei 1
Eucalyptus erythrocorys 1
Eucalyptus glaucescens 4
Eucalyptus globulus 1
Eucalyptus gunnii 8
Eucalyptus neglecta 12
Eucalyptus nicholii 2
Eucalyptus nobilis 3
Eucalyptus parvifolia 7
Eucalyptus pauciflora subsp. niphophila 4
Eucalyptus perriniana 2
Eucalyptus rhodantha 2
Eucalyptus rubida 3
Eucalyptus stellulata 4
Eucalyptus urnigera 3
Eucalyptus viminalis 6
Euchresta japonica 3
Eucodonia 'Adele' 4
Eucomis 42
Eucomis autumnalis 11
Eucomis autumnalis subsp. amaryllidifolia 5
Eucomis autumnalis subsp. clavata 5
Eucomis bicolor 3
Eucomis comosa 2
Eucomis comosa 'Oakhurst' 1
Eucomis comosa 'Peace Candles' 1
Eucomis comosa 'Sparkling Burgundy' 43
Eucomis 'Freckles' 2
Eucomis humilis 4
Eucomis 'Mini Tuft Red' 2
Eucomis montana 8
Eucomis pole-evansii 12
Eucomis 'Reuben' 29
Eucomis 'Tugela Jade' 8
Eucomis vandermerwei 7
Eucomis zambesiaca 4
Eucomis 'Zeal Bronze' 1
Eucommia ulmoides 6
Eucryphia glutinosa 3
Eucryphia ×intermedia 3
Eucryphia lucida 5
Eucryphia lucida 'Ballerina' 4
Eucryphia moorei 2
Eucryphia ×nymansensis 1
Eucryphia ×nymansensis 'Nyman's Silver' 2
Eugenia apiculata 4
Eumorphia sericea 3
Euonymus 26
Euonymus alatus 11
Euonymus alatus 'Compactus' 2
Euonymus alatus 'Fastigiata' 2
Euonymus alatus 'Michael Hayman' 2
Euonymus alatus 'Odom' 2
Euonymus alatus 'Select' 1
Euonymus alatus 'Timber Creek' 9
Euonymus americanus 9
Euonymus americanus (evergreen) 7
Euonymus americanus 'Narrowleaf' 6
Euonymus bungeanus 8
Euonymus carnosus 51
Euonymus cornutus 11
Euonymus europaeus 'Red Ace' 3
Euonymus europaeus 'Red Cascade' 6
Euonymus fortunei 3
Euonymus fortunei 'Emerald Gaiety' 5
Euonymus fortunei 'Emerald 'n' Gold' 4
Euonymus fortunei 'Gracilis' 1
Euonymus fortunei 'Harlequin' 1
Euonymus fortunei 'Wolong Ghost' 14
Euonymus grandiflorus 5
Euonymus hamiltonianus 2
Euonymus hamiltonianus subsp. sieboldianus 1
Euonymus japonicus 5
Euonymus japonicus 'Dr. Rokujo Variegated' 1
Euonymus japonicus 'Green Spire' 1
Euonymus japonicus 'Microphyllus' 3
Euonymus latifolius 2
Euonymus macropterus 4
Euonymus macropterus 'Beni Yakko' 6
Euonymus myrianthus 7
Euonymus nanus var. turkestanicus 1
Euonymus nitidus 3
Euonymus oxyphyllus 2
Euonymus phellomanus 2
Euonymus aff. planipes 5
Euonymus sachalinensis 3
Euonymus sieboldianus 1
Euonymus sieboldianus (yellow margin) 1
Euonymus szechuanensis 1
Eupatorium 23
Eupatorium coelestinum 4
Eupatorium dubium 'Baby Joe' 1
Eupatorium fistulosum 16
Eupatorium fortunei 'Pink Frost' 4
Eupatorium greggii 3
Eupatorium perfoliatum 1
Eupatorium purpureum 33
Eupatorium purpureum 'Big Umbrella' 2
Eupatorium purpureum 'Joe White' 4
Eupatorium purpureum subsp. maculatum 4
Eupatorium rotundifolium 2
Eupatorium rugosum 1
Eupatorium rugosum 'Chocolate' 3
Euphorbia 46
Euphorbia amygdaloides var. robbiae 27
Euphorbia antisyphilitica 4
Euphorbia bivonae 2
Euphorbia 'Blue Daze' 1
Euphorbia brachycera 2
Euphorbia 'Canyon Gold' 22
Euphorbia capitulata 2
Euphorbia characias 4
Euphorbia characias 'Glacier Blue' 13
Euphorbia characias 'John Tomlinson' 1
Euphorbia characias (Portuguese Velvet strain) 4
Euphorbia characias 'Tasmanian Tiger' 4
Euphorbia characias subsp. wulfenii 4
Euphorbia characias subsp. wulfenii 'Shorty' 3
Euphorbia 'Charam' 9
Euphorbia clavarioides 2
Euphorbia cornigera 4
Euphorbia corollata 2
Euphorbia cotinifolia 5
Euphorbia cyparissias 1
Euphorbia cyparissias 'Fens Ruby' 1
Euphorbia 'Dean's Hybrid' 29
Euphorbia donii 1
Euphorbia dulcis 'Chameleon' 3
Euphorbia epithymoides 'Bonfire' 2
Euphorbia fulgens 7
Euphorbia graminea 'Inneuphdia' 1
Euphorbia griffithii 3
Euphorbia griffithii 'Fireglow' 1
Euphorbia heterophylla 1
Euphorbia 'Inneuphhel' (Helena's Blush) 4
Euphorbia 'Jade Dragon' 4
Euphorbia lathyris 3
Euphorbia leucocephala 2
Euphorbia marginata 1
Euphorbia ×martinii 3
Euphorbia ×martinii 'Ascot Rainbow' 14
Euphorbia mellifera 4
Euphorbia milii 6
Euphorbia myrsinites 10
Euphorbia polychroma 5
Euphorbia pulcherrima 234
Euphorbia rigida 87
Euphorbia schillingii 4
Euphorbia sikkimensis 3
Euphorbia spinosa 2
Euphorbia tirucalli 3
Euphorbia tirucalli 'Rosea' 12
Euphorbia 'White Manaus' 7
Euptelea pleiosperma 2
Eurya 12
Eurya aff. crenatifolia 1
Eurya crenatifolia 2
Eurya emarginata 1
Eurya emarginata f. microphylla 2
Eurya japonica 5
Eurya japonica 'Moutiers' 4
Eurya japonica 'Sea Brocade' 2
Eurybia divaricata 9
Euryops 4
Euryops acraeus 1
Euryops 'Compacta Sun' 8
Euryops pectinatus 3
Euryops pectinatus subsp. pectinatus 5
Euryops tysonii 3
Euscaphis japonica 38
Eustoma 4
Eustoma grandiflorum 9
Evodia 1
Evodiopanax innovans 1
Evolvulus glomeratus 'Blue Daze' 2
Exacum affine 2
Exbucklandia populnea 36
Exbucklandia tonkinensis 8
Exochorda 3
Exochorda giraldii var. wilsonii 4
Exochorda korolkowii 1
Exochorda ×macrantha 'The Bride' 1
Exochorda racemosa 31
Fabiana imbricata 6
Fabiana imbricata 'Alba' 4
Fagopyrum esculentum 1
Fagus 9
Fagus engleriana 1
Fagus grandifolia 48
Fagus grandifolia 'White Lightning' 12
Fagus lucida 3
Fagus orientalis 4
Fagus sylvatica 49
Fagus sylvatica 'Ansorgei' 5
Fagus sylvatica 'Aspleniifolia' 7
Fagus sylvatica 'Atropunicea' 2
Fagus sylvatica 'Aurea Pendula' 4
Fagus sylvatica 'Cristata' 5
Fagus sylvatica 'Dawyck' 1
Fagus sylvatica 'Dawyck Purple' 1
Fagus sylvatica f. laciniata 3
Fagus sylvatica 'Mercedes' 2
Fagus sylvatica 'Pendula' 20
Fagus sylvatica 'Purple Fountain' 5
Fagus sylvatica f. purpurea 21
Fagus sylvatica 'Purpurea Nana' 1
Fagus sylvatica 'Purpurea Pendula' 2
Fagus sylvatica 'Purpurea Tricolor' 7
Fagus sylvatica 'Rohan Minaret' 3
Fagus sylvatica 'Swat Magret' 2
Fagus sylvatica f. tortuosa 5
Fagus sylvatica 'Zlatia' 9
Fallopia japonica 'Crimson Beauty' 7
Fallugia paradoxa 15
Farfugium 3
Farfugium japonicum 9
Farfugium japonicum 'Argenteum' 13
Farfugium japonicum 'Aureomaculatum' 24
Farfugium japonicum (crested) 2
Farfugium japonicum (crinkled and spotted) 2
Farfugium japonicum 'Crispatum' 9
Farfugium japonicum var. formosanum 5
Farfugium japonicum var. giganteum 1
Farfugium japonicum 'Jitsuko's Star' 11
Farfugium japonicum 'Kagami Jishi' 3
Farfugium japonicum 'Kaimon Dake' 6
Farfugium japonicum 'Kinkan' 6
Farfugium japonicum 'Shishi Botan' 3
Farfugium 'Last Dance' 7
Fargesia murielae 2
Fargesia nitida 1
Fargesia robusta 1
Fargesia rufa 1
Fargesia rufa 'Oprins Selection' 1
Fascicularia bicolor 4
×Fatshedera lizei 18
×Fatshedera lizei 'Angyo Star' 6
×Fatshedera lizei 'Annemieke' 4
×Fatshedera lizei 'Variegata' 1
Fatsia japonica 38
Fatsia japonica 'Murakumo Nishiki' 7
Fatsia japonica 'Spider Web' 2
Fatsia japonica 'Variegata' 4
Fatsia polycarpa 46
Fatsia polycarpa (A1TW-100E) 3
Faucaria 1
Ferocactus 2
Ferocactus hamatacanthus 4
Ferocactus wislizeni 3
Festuca 16
Festuca glauca 13
Festuca glauca 'Beyond Blue' 2
Festuca glauca 'Golden Toupee' 1
Festuca mairei 1
Festuca multinodis 1
Festuca scoparia 1
Fibigia clypeata 11
Ficaria verna 21
Ficaria verna 'Brambling' 3
Ficaria verna 'Brazen Hussey' 9
Ficaria verna 'Coffee Cream' 1
Ficaria verna 'Collarette' 2
Ficaria verna 'Coppernob' 36
Ficaria verna 'Double Mud' 7
Ficaria verna Flore Pleno Group 29
Ficaria verna 'Green Petal' 3
Ficaria verna 'Orange You Cute' 1
Ficaria verna (red splotch) 2
Ficaria verna 'Yaffle' 1
Ficinia spiralis 3
Ficus 46
Ficus afghanistanica 4
Ficus aspera 1
Ficus auriculata 25
Ficus benghalensis 13
Ficus benjamina 6
Ficus carica 9
Ficus carica 'Jolly Tiger' 2
Ficus carica 'Kodota' 5
Ficus carica 'Lattarula' 5
Ficus carica 'Violette de Bordeaux' 3
Ficus elastica 5
Ficus erecta 2
Ficus gasparriniana var. laceratifolia 4
Ficus heterophylla (Yucca Do form) 2
Ficus microcarpa 5
Ficus montana 1
Ficus pumila 16
Ficus pumila × F. carica 3
Ficus pumila 'Quercifolia' 6
Ficus sarmentosa 3
Ficus sarmentosa var. nipponica 2
Ficus sycomorus 2
Ficus vaccinioides 11
Filipendula 2
Filipendula ulmaria 'Variegata' 5
Firmiana simplex 30
Fitzroya cupressoides 3
Foeniculum vulgare 4
Fokienia hodginsii 9
Fontanesia phillyreoides subsp. fortunei 1
Fontanesia phillyreoides subsp. fortunei 'Titan' 6
Forestiera angustifolia 'Weeping' 18
Forestiera neo-mexicana 1
Forsythia 32
Forsythia 'Courtasol' 3
Forsythia 'Fiesta' 1
Forsythia giraldiana 1
Forsythia giraldiana 'Golden Times' 24
Forsythia ×intermedia 13
Forsythia ×intermedia 'Courdijau' 1
Forsythia ×intermedia 'Courtalyn' 1
Forsythia ×intermedia 'Ford Freeway' 9
Forsythia ×intermedia 'Gold Leaf' 1
Forsythia ×intermedia 'White Gold' 5
Forsythia koreana 'Ilgwang' 3
Forsythia koreana 'Kumson' 4
Forsythia koreana 'Suwan Gold' 1
Forsythia mandshurica 'Vermont Sun' 5
Forsythia 'New Hampshire Gold' 5
Forsythia ovata 'Tetragold' 1
Forsythia 'Susan Cryser' 1
Forsythia suspensa 3
Forsythia viridissima 'Bronxensis' 3
Fortunearia sinensis 13
Fortunella 1
Fothergilla 10
Fothergilla gardenii 28
Fothergilla gardenii 'Blue Mist' 2
Fothergilla gardenii 'Chattanooga' 1
Fothergilla gardenii 'Jane Platt' 3
Fothergilla ×intermedia 'Blue Shadow' 10
Fothergilla ×intermedia 'Klmfifteen' 1
Fothergilla ×intermedia 'Klmsixteen' 1
Fothergilla ×intermedia 'Klmtwo' 11
Fothergilla ×intermedia 'Mount Airy' 34
Fothergilla ×intermedia 'Red Licorice' 2
Fothergilla major 9
Fothergilla major Monticola Group 5
Fouquieria splendens 6
Fragaria 37
Fragaria chiloensis 5
Fragaria 'Pink Panda' 1
Fragaria virginiana subsp. glauca 3
Franklinia alatamaha 22
Frasera speciosa 5
Fraxinus 8
Fraxinus americana 3
Fraxinus chinensis subsp. chinensis 3
Fraxinus excelsior 2
Fraxinus excelsior 'Aurea' 1
Fraxinus excelsior 'Aurea Pendula' 2
Fraxinus excelsior 'Handes' 5
Fraxinus greggii 13
Fraxinus griffithii 2
Fraxinus insularis 14
Fraxinus longicuspis 8
Fraxinus ornus 5
Fraxinus pennsylvanica 1
Fraxinus pennsylvanica 'Centerpoint' 2
Fraxinus pennsylvanica 'Oconee' 2
Fraxinus quadrangulata 1
Fraxinus sieboldiana 18
Fraxinus sieboldiana 'Rising Sun' 5
Freesia 8
Freesia corymbosa 1
Freesia 'Grandeur' 1
Fremontodendron 12
Fremontodendron californicum subsp. californicum 8
Fremontodendron californicum subsp. decumbens 2
Fremontodendron 'Ken Taylor' 3
Freycinetia banksii 2
Freycinetia cumingiana 2
Fritillaria 7
Fritillaria biflora 2
Fritillaria camschatcensis 4
Fritillaria imperialis 3
Fritillaria imperialis 'Lutea' 2
Fritillaria meleagris 9
Fritillaria meleagris 'Alba' 3
Fritillaria michailovskyi 'Multiflora' 4
Fritillaria pallidiflora 5
Fritillaria persica 4
Fritillaria persica 'Ivory Bells' 1
Fritillaria verticillata 33
Fuchsia 85
Fuchsia alpestris 3
Fuchsia boliviana 6
Fuchsia 'Chillerton Beauty' 3
Fuchsia excorticata 8
Fuchsia excorticata 'Purpurea' 2
Fuchsia 'Genii' 4
Fuchsia 'Howlett's Hardy' 1
Fuchsia magellanica 23
Fuchsia magellanica 'Alba' 5
Fuchsia magellanica 'Aurea' 7
Fuchsia magellanica var. gracilis 2
Fuchsia magellanica var. gracilis 'Tricolor' 8
Fuchsia magellanica var. molinae 'Sharpitor' 3
Fuchsia magellanica 'Pumila' 3
Fuchsia 'Mephisto' 3
Fuchsia microphylla 5
Fuchsia 'Mrs Popple' 1
Fuchsia paniculata 4
Fuchsia 'Pat's Dream' 2
Fuchsia procumbens 1
Fuchsia 'Red Spider' 1
Fuchsia regia subsp. regia 2
Fuchsia 'Riccartonii' 2
Fuchsia 'Sanifpeco' 2
Fuchsia 'Sanihanf' 8
Fuchsia 'Sanistanf' 2
Fuchsia 'Sunistant' 1
Fuchsia triphylla 'Gartenmeister Bonstedt' 6
Furcraea foetida 9
Furcraea foetida 'Mediopicta' 3
Furcraea parmentieri 3
Gaillardia 12
Gaillardia aestivalis 3
Gaillardia aestivalis var. winkleri 44
Gaillardia aestivalis var. winkleri 'Grape Sensation' 12
Gaillardia 3
Gaillardia ×grandiflora 3
Gaillardia ×grandiflora 'Oranges and Lemons' 1
Gaillardia pulchella 7
Gaillardia pulchella 'Baltoryell' 10
Gaillardia pulchella 'Sundance Bicolor' 5
Gaillardia 9
Gaillardia 'Tizzy' 6
Galanthus 25
Galanthus elwesii 2
Galanthus elwesii var. monostictus 21
Galanthus nivalis 9
Galanthus nivalis 'Flore Pleno' 2
Galanthus nivalis 'Magnet' 6
Galanthus plicatus 2
Galanthus plicatus subsp. byzantinus 4
Galanthus reginae-olgae 10
Galanthus woronowii 6
Galax aphylla 11
Galax urceolata 12
Galearis spectabilis 2
Galega 2
Galega ×hartlandii 'Alba' 3
Galeola nudifolia 5
Galium 1
Galium ambiguum 1
Galium odoratum 12
Galium septentrionale 1
Galphimia gracilis 2
Galtonia 1
Galtonia candicans 2
Gardenia 13
Gardenia jasminoides 41
Gardenia jasminoides 'Chuck Hayes' 11
Gardenia jasminoides 'Crown Jewel' 4
Gardenia jasminoides 'Cutie Pie' 2
Gardenia jasminoides 'Daruma' 10
Gardenia jasminoides 'Griffith's Select' 7
Gardenia jasminoides (Jenkins form) 2
Gardenia jasminoides 'Kaleidoscope' 2
Gardenia jasminoides 'Kleim's Hardy' 7
Gardenia jasminoides 'Lynn Lowrey' 7
Gardenia jasminoides 'Michael' 6
Gardenia jasminoides 'Radicans' 5
Gardenia jasminoides 'Spg-3-015' 3
Gardenia jasminoides 'Variegata' 1
Gardenia jasminoides (variegated) 2
Gardenia jasminoides (variegated, double flower) 3
Gardenia jasminoides 'White Gem' 2
Garrya 3
Garrya elliptica 13
Garrya elliptica 'James Roof' 5
Gaultheria griffithiana 2
Gaultheria hookeri 3
Gaultheria itoana 5
Gaultheria leucocarpa var. cumingiana 1
Gaultheria mucronata (white berried) 2
Gaultheria procumbens 10
Gaultheria shallon 16
Gaultheria ×wisleyensis 'Wisley Pearl' 3
Gaura lindheimeri 9
Gaura lindheimeri 'Corrie's Gold' 2
Gaura lindheimeri 'Harrosy' 2
Gaura lindheimeri 'Siskiyou Pink' 3
Gaura lindheimeri 'Whirling Butterflies' 1
Gaylussacia baccata 3
Gazania 23
Gazania krebsiana 18
Gazania linearis 10
Gazania 'Takatu Red' 3
Gelsemium 5
Gelsemium rankinii 2
Gelsemium sempervirens 17
Gelsemium sempervirens 'Pride of Augusta' 4
Gelsemium sempervirens 'Woodlanders Pale Yellow' 9
Genista 12
Genista aetnensis 14
Genista canariensis 1
Genista hispanica 2
Genista horrida 5
Genista lydia 4
Genista pilosa 'Vancouver Gold' 6
Genista sagittalis 6
Genista tinctoria 1
Genista tinctoria 'Flore Pleno' 11
Gentiana 22
Gentiana acaulis 3
Gentiana andrewsii 1
Gentiana aslepiadea 8
Gentiana aslepiadea 'Alba' 3
Gentiana autumnalis 19
Gentiana prostrata 3
Gentiana saponaria 21
Gentiana scabra var. beugeri 2
Gentiana scabrida 5
Gentiana septemfida 4
Gentiana sino-ornata 2
Gentiana uchiyamae 1
Geonoma undata 2
Geranium 49
Geranium 'Anne Thomson' 1
Geranium 'Blushing Turtle' 4
Geranium 'Brookside' 3
Geranium caespitosum 10
Geranium ×cantabrigiense 'Biokovo' 2
Geranium [Cinereum Group] 'Ballerina' 2
Geranium 'Gerwat' 14
Geranium 'Johnson's Blue' 3
Geranium 'Jolly Bee' 1
Geranium macrorrhizum 1
Geranium macrorrhizum 'Bevan's Variety' 3
Geranium macrorrhizum 'Czakor' 3
Geranium maculatum 13
Geranium maculatum 'Espresso' 1
Geranium maderense 9
Geranium ×magnificum 2
Geranium oreganum 4
Geranium ×oxonianum 'Claridge Druce' 2
Geranium ×oxonianum f. thurstonianum 3
Geranium palmatum 1
Geranium phaeum 'Samobor' 5
Geranium phaeum 'Springtime' 3
Geranium pratense 3
Geranium pratense 'Victor Reiter, Jr.' 3
Geranium psilostemon 9
Geranium renardii 2
Geranium reuteri 3
Geranium richardsonii 5
Geranium robertianum 1
Geranium sanguineum 3
Geranium sanguineum 'Album' 7
Geranium sanguineum var. striatum 4
Geranium 'Tiny Monster' 2
Geranium tuberosum 9
Geranium wallichianum 4
Gerbera 27
Gerbera 9
Gerbera jamesonii 9
Gerbera 'White' 2
Geum 4
Geum 'Eos' 2
Geum rossii 6
Geum rossii var. turbinatum 15
Geum 'Starker's Magnificum' 5
Geum triflorum 3
Gilia capitata 3
Gingidia grisea 3
Ginkgo biloba 108
Ginkgo biloba 'Blagon' 3
Ginkgo biloba 'Fairmount' 2
Ginkgo biloba 'Jade Butterflies' 2
Ginkgo biloba 'JFS-UGA2' 1
Ginkgo biloba 'Majestic Butterfly' 2
Ginkgo biloba 'Pendula' 4
Ginkgo biloba 'Saratoga' 2
Ginkgo biloba 'Spring Grove' 2
Ginkgo biloba 'Troll' 1
Ginkgo biloba 'Tschi Tschi' 38
Ginkgo biloba 'Tubeleaf' 3
Ginkgo biloba 'Variegata' 7
Gladiolus 147
Gladiolus byzantinus 'Texas Snow Flurry' 2
Gladiolus communis 'Cruentus' 2
Gladiolus dalenii 2
Gladiolus dalenii 'Bolivian Peach' 2
Gladiolus dalenii 'Halloweenie' 19
Gladiolus 'Flevo Amico' 2
Gladiolus 'Flevo Jive' 2
Gladiolus 'Flevo Junior' 9
Gladiolus 'Flevo Kosmic' 10
Gladiolus 'Friendship' 1
Gladiolus ×gandavensis 'Boone' 2
Gladiolus italicus 5
Gladiolus murielae 2
Gladiolus papilio 8
Gladiolus permeabilis 1
Gladiolus 'White Friendship' 1
Glaucidium palmatum 8
Glaucium fimbrilligerum 18
Glaucium flavum 4
Glaucium grandiflorum 2
Glebionis carinatum 3
Gleditsia 7
Gleditsia japonica var. delavayi 1
Gleditsia japonica var. koraiensis 2
Gleditsia sinensis 9
Gleditsia triacanthos 6
Gleditsia triacanthos f. inermis 32
Gleditsia triacanthos f. inermis 'Elegantissima' 4
Gleditsia triacanthos f. inermis 'Emerald Kascade' 21
Gleditsia triacanthos f. inermis 'Suncole' 3
Globba clarkei 4
Globba schomburghii 5
Globularia cordifolia 4
Globularia pseudo-nana 2
Globularia punctata 2
Glochidion triandrum 3
Gloriosa 1
Gloriosa superba 27
Gloriosa superba 'Lutea' 5
Gloriosa superba 'Rothschildiana' 15
Glottiphyllum angustum 5
Glottiphyllum latum 6
Gloxinia 5
Glyptostrobus pensilis 17
Gomphocarpus physocarpus 18
Gomphostigma virgatum 'White Candy' 2
Gomphrena 6
Gomphrena 'Fireworks' 7
Gomphrena globosa 3
Goodyera 3
Goodyera oblongifolia 9
Goodyera pubescens 4
×Gordlinia grandiflora 15
×Gordlinia grandiflora 'Sweet Tea' 4
Gordonia axillaris 3
Gordonia axillaris × G. taiwanensis 1
Gordonia kwangsiensis 1
Gordonia lasianthus 15
Gordonia lasianthus 'Dr. Keith' 2
Gordonia lasianthus 'Variegata' 4
Gordonia szechuanensis 1
Gordonia yunnanensis 1
Gossypium 2
Gossypium herbaceum 'Nigra' 1
Graptopetalum paraguayense 1
Graptophyllum pictum 'Chocolate' 1
Graptophyllum pictum 'Tricolor' 1
×Graptoveria 'Vera Higgins' 9
Grevillea 10
Grevillea 'Bonnie Prince Charlie' 3
Grevillea 'Bronze Ramble' 2
Grevillea 'Canberra Gem' 6
Grevillea 'Fanfare' 2
Grevillea ×gaudichaudii 3
Grevillea 'Granya Glory' 2
Grevillea johnsonii 3
Grevillea juniperina subsp. sulphurea 4
Grevillea lanigera 4
Grevillea lanigera 'Mt. Tamboritha' 4
Grevillea 'Mason's Hybrid' 4
Grevillea miqueliana 2
Grevillea 'Poorinda Leane' 4
Grevillea 'Poorinda Peter' 3
Grevillea 'Poorinda Royal Mantle' 4
Grevillea 'Red Cloud' 3
Grevillea robusta 8
Grevillea rosmarinifolia 4
Grevillea rosmarinifolia 'Jenkinsii' 4
Grevillea victoriae 6
Grewia biloba 6
Grewia biloba var. parviflora 3
Greyia radlkoferi 2
Grindelia hirsutula 9
Griselinia littoralis 5
Griselinia littoralis 'Variegata' 5
Grusonia clavata 9
Gunnera 29
Gunnera magellanica 4
Gunnera manicata 70
Gunnera monoica 1
Gunnera tinctoria 7
Gutierrezia microcephala 8
Gymnocalycium bruchii 3
Gymnocalycium deeszianum 3
Gymnocalycium gibbosum 2
Gymnocalycium multiflorum 1
Gymnocladus chinensis 1
Gymnocladus dioica 6
Gymnocladus dioica 'Kentucky Colonel' 3
Gymnocladus dioica 'Variegata' 5
Gynura 1
Gynura bicolor 2
Gypsophila 4
Gypsophila cerastioides 1
Gypsophila muralis 'Gypsy Deep Rose' 7
Gypsophila paniculata 17
Gypsophila repens 2
Habenaria 2
Haberlea rhodopensis 5
Habranthus 4
Habranthus brachyandrus 7
Habranthus brachyandrus (striped flower) 2
Habranthus ×floryi (purple base) 6
Habranthus ×floryi (red base) 2
Habranthus martinezii 17
Habranthus 'Pink Flamingos' 15
Habranthus robustus 14
Habranthus robustus 'Russell Manning' 19
Habranthus tubispathus var. texanus 14
Hackelia floribunda 3
Hakea lissosperma 3
Hakea microcarpa 18
Hakea minyma 1
Hakea salicifolia 1
Hakea salicifolia 'Gold Medal' 3
Hakonechloa 2
Hakonechloa macra 5
Hakonechloa macra 'Alboaurea' 2
Hakonechloa macra 'All Gold' 7
Hakonechloa macra 'Aureola' 7
Hakonechloa macra 'Briform' 1
Hakonechloa macra 'Nicolas' 1
Halesia 10
Halesia diptera var. diptera 2
Halesia diptera var. magniflora 60
Halesia macgregorii 5
Halesia parviflora 19
Halesia tetraptera var. monticola 3
Halesia tetraptera var. monticola 'Rosea' 4
Halesia tetraptera var. tetraptera 13
Halesia tetraptera var. tetraptera 'Variegata' 1
Halimiocistus sahuccii 1
×Halimiocistus wintonensis 'Merrist Wood Cream' 2
Halimium lasianthum 3
Halocarpus bidwillii 3
Halocarpus kirkii 2
Hamamelis 44
Hamamelis 'Amethyst' 22
Hamamelis 'Brevipetala' 1
Hamamelis 'Feuerzauber' 7
Hamamelis ×intermedia 4
Hamamelis ×intermedia 'Angelly' 2
Hamamelis ×intermedia 'Aphrodite' 1
Hamamelis ×intermedia 'Arnold Promise' 24
Hamamelis ×intermedia 'Aurora' 6
Hamamelis ×intermedia 'Diane' 41
Hamamelis ×intermedia 'Doerak' 7
Hamamelis ×intermedia 'Gingerbread' 1
Hamamelis ×intermedia 'Hiltingbury' 3
Hamamelis ×intermedia 'Jelena' 92
Hamamelis ×intermedia 'Orange Beauty' 3
Hamamelis ×intermedia 'Pallida' 25
Hamamelis ×intermedia 'Primavera' 9
Hamamelis ×intermedia 'Ruby Glow' 9
Hamamelis ×intermedia 'Sunburst' 16
Hamamelis ×intermedia 'Twilight' 4
Hamamelis ×intermedia 'Westerstede' 10
Hamamelis ×intermedia 'Wiero' 38
Hamamelis ×intermedia 'Winter Beauty' 6
Hamamelis japonica 'Arborea' 2
Hamamelis japonica 'Pendula' 1
Hamamelis japonica 'Shibamichi Red' 8
Hamamelis mollis 6
Hamamelis mollis 'Early Bright' 1
Hamamelis mollis 'Goldcrest' 21
Hamamelis mollis 'Wisley Supreme' 20
Hamamelis ovalis 7
Hamamelis vernalis 31
Hamamelis vernalis f. carnea 2
Hamamelis vernalis 'Klmnineteen' 11
Hamamelis vernalis 'KLMT' 1
Hamamelis vernalis 'Quasimodo' 8
Hamamelis vernalis 'Sandra' 6
Hamamelis vernalis 'Washington Park' 7
Hamamelis virginiana 17
Hamamelis virginiana 'Green Thumb' 9
Hamamelis virginiana var. henryi 5
Hamamelis virginiana var. mexicana 12
Hamelia cuprea 1
Hamelia patens 7
Handroanthus chrysotrichus 3
Handroanthus umbellatus 3
Harpochloa falx 2
Hastingsia alba 5
Hatiora salicornioides 3
Haworthia 3
Hebe 57
Hebe adamsii 1
Hebe biggarii 2
Hebe bollonsii 2
Hebe buchananii 6
Hebe buxifolia 2
Hebe cockayniana 1
Hebe cupressoides 4
Hebe epacridea 3
Hebe glaucophylla 1
Hebe 'Gnome' 1
Hebe 'Harperi' 2
Hebe hectorii 2
Hebe 'Heidi' 5
Hebe 'Hinerua' 4
Hebe 'Joan Lewis' 1
Hebe 'Karo Golden Esk' 1
Hebe 'Lavender Lace' 1
Hebe lycopodioides 6
Hebe 'Mary Antoinette' 2
Hebe 'Midnight Sun' 5
Hebe ochracea 4
Hebe ochracea 'James Stirling' 2
Hebe 'Oratia Beauty' 2
Hebe 'Pewter Dome' 4
Hebe pimeleoides 1
Hebe pimeleoides 'Quicksilver' 5
Hebe pinguifolia 1
Hebe pinguifolia 'Sutherlandii' 5
Hebe 'Pink Pixie' 3
Hebe propinqua 1
Hebe salicifolia 5
Hebe 'Tapawera' 1
Hebe topiaria 6
Hebe townsonii 2
Hebe venustula 2
Hebe 'Wiri Dawn' 6
Hebe 'Wiri Joy' 3
Hebe 'Wiri Spears' 4
Hebe 'Youngii' 1
Hechtia 2
Hechtia podantha 2
Hedeoma todsenii 3
Hedera 79
Hedera algeriensis 'Gloire de Marengo' 2
Hedera algeriensis 'Gloire de Marengo' (adult form) 1
Hedera canariensis 2
Hedera canariensis 'Variegata' 2
Hedera colchica 4
Hedera colchica (adult form) 4
Hedera colchica 'Dentata Variegata' 5
Hedera colchica 'Sulphur Heart' 3
Hedera helix 64
Hedera helix 'Buttercup' 1
Hedera helix 'Conglomerata' 1
Hedera helix 'Glacier' 2
Hedera helix 'Glacier' (adult form) 1
Hedera helix 'Gnome' 1
Hedera helix 'Oro di Bogliasco' 4
Hedera helix 'Oro di Bogliasco' (adult form) 3
Hedera helix 'Prince Avenue' (adult form) 8
Hedera helix 'Spetchley' 1
Hedera nepalensis 1
Hedera pastuchowii 3
Hedera rhombea 'Creme de Menthe' 1
Hedera rhombea 'Korean Dwarf' 1
Hedycarya arborea 3
Hedychium 22
Hedychium 'Anne Bishop' 2
Hedychium (BCHW.071) 4
Hedychium 'Betty Hodge' 3
Hedychium coccineum 1
Hedychium coccineum 'Disney' 5
Hedychium coronarium 7
Hedychium 'Daniel Weeks' 4
Hedychium densiflorum 5
Hedychium densiflorum 'Stephen' 6
Hedychium 'Dr. Moy' 15
Hedychium 'Elizabeth' 11
Hedychium flavescens 3
Hedychium flavum 1
Hedychium gardnerianum 1
Hedychium gardnerianum 'Extenda' 3
Hedychium 'Golden Butterfly' 1
Hedychium 'Golden Glow' 3
Hedychium greenii 2
Hedychium (Hm-V2) 4
Hedychium 'Kinkaku' 5
Hedychium 'Orange Crush' 9
Hedychium 'Peach Delight' 4
Hedychium 'Pink Princess' 1
Hedychium 'Pink V' 12
Hedychium rubrum 4
Hedychium 'Sherry Baby' 4
Hedychium 'Slim's Orange' 8
Hedychium 'Tai Conch Pink' 5
Hedychium 'White Starburst' 16
Hedychium (yellow giant) 4
Hedychium yunnanense (A1VT-085) 5
Heimia salicifolia 5
Helenium 12
Helenium bigelovii 2
Helianthemum 6
Helianthemum apenninum 2
Helianthemum 'Henfield Brilliant' 2
Helianthemum lavandulifolium 8
Helianthemum nummularium 'Ben Mohr' 5
Helianthemum nummularium 'Rose Glory' 4
Helianthemum ovatum 3
Helianthus 52
Helianthus angustifolius 7
Helianthus annuus 44
Helianthus annuus 'Ring of Fire' 5
Helianthus 'Lemon Queen' 3
Helianthus longifolius 17
Helianthus ×multiflorus 'Capenoch Star' 1
Helianthus petiolaris 1
Helianthus radula 5
Helianthus salicifolius 2
Helichrysum 2
Helichrysum italicum 5
Helichrysum italicum 'Nanum' 1
Helichrysum petiolare 6
Helichrysum retortum 3
Helichrysum thianschanicum 3
Helicodiceros muscivorus 3
Heliconia 22
Heliconia latispatha 1
Heliconia psittacorum 'Lady Di' 1
Helictotrichon sempervirens 4
Helictotrichon sempervirens 'Saphirsprudel' 3
Heliopsis helianthoides 6
Heliopsis helianthoides 'Prairie Sunset' 2
Heliotropium 3
Heliotropium amplexicaule 7
Heliotropium arborescens 4
Helleborus 78
Helleborus 'Abcrd01' 2
Helleborus argutifolius 13
Helleborus argutifolius 'HGC Snow Fever' 1
Helleborus argutifolius 'Janet Stames' 2
Helleborus atrorubens 22
Helleborus ×ballardiae 1
Helleborus ×ballardiae 'Coseh 810' 2
Helleborus ×ballardiae 'Raulston Remembered' 17
Helleborus bocconei 10
Helleborus 'Coseh 700' 1
Helleborus croaticus 7
Helleborus cyclophyllus 9
Helleborus dumetorum 1
Helleborus ×ericsmithii 9
Helleborus ×ericsmithii 'Pirouette' 4
Helleborus foetidus 36
Helleborus foetidus 'Gertrude Jekyll' 7
Helleborus foetidus 'Gold Bullion' 2
Helleborus foetidus 'Pontarlier' 2
Helleborus foetidus (variegated) 4
Helleborus foetidus Wester Flisk Group 5
Helleborus ×hybridus 169
Helleborus ×hybridus (#217B) 2
Helleborus ×hybridus (Ashwood Garden hybrids) 25
Helleborus ×hybridus (best yellow) 2
Helleborus ×hybridus 'Cattleya Semline' 4
Helleborus ×hybridus (dark pink shades)