| Abarema - Alnus
Abarema cochliacarpos (10)
Abelia X grandiflora (3)
Abies alba (1)
Abies amabilis (5)
Abies balsamea (4)
Abies bracteata (23)
Abies cephalonica (2)
Abies concolor (11)
Abies concolor ssp. concolor (4)
Abies concolor ssp. lowiana (20)
Abies concolor var. lowiana (11)
Abies firma (2)
Abies grandis (15)
Abies holophylla (2)
Abies koreana (1)
Abies lasiocarpa ssp. arizonica (2)
Abies lasiocarpa ssp. lasiocarpa (7)
Abies lasiocarpa var. arizonica (2)
Abies magnifica (29)
Abies magnifica var. magnifica (17)
Abies magnifica var. shastensis (14)
Abies nordmanniana ssp. equi-trojani (3)
Abies pinsapo (2)
Abies pinsapo var. glauca (2)
Abies procera (16)
Abrodictyum caudatum (11)
Abrodictyum dentatum (7)
Abronia alpina (4)
Abronia augustifolia (1)
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Abronia fragrans (8)
Abronia glabrifolia (1)
Abronia latifolia (58)
Abronia maritima (10)
Abronia nana (1)
Abronia nana ssp. covillei (15)
Abronia nana var. covillei (18)
Abronia pogonantha (8)
Abronia sp. (8)
Abronia sparsifolia (1)
Abronia turbinata (16)
Abronia umbellata (24)
Abronia umbellata ssp. breviflora (4)
Abronia umbellata ssp. umbellata (5)
Abronia umbellata var. umbellata (6)
Abronia villosa (39)
Abronia villosa var. aurita (18)
Abronia villosa var. villosa (20)
Abutilon (1)
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Abutilon hybrid (2)
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Acacia abyssinica (3)
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Acacia burkei (13)
Acacia californica (1)
Acacia caven (2)
Acacia cornigera (3)
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Acacia dealbata (20)
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Acacia fleckii (12)
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Acacia galpinii (11)
Acacia greggii (25)
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Acacia karroo (6)
Acacia kelloggiana (1)
Acacia longifolia (5)
Acacia melanoxylon (7)
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Acacia willardiana (1)
Acacia xanthophloea (9)
Acaena novae-zelandiae (9)
Acaena pinnatifida var. californica (9)
Acalypha californica (13)
Acalypha capitellata (1)
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Acamptopappus shockleyi (13)
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Acamptopappus sphaerocephalus var. hirtellus (2)
Acamptopappus sphaerocephalus var. sphaerocephalus (6)
Acanthocalycium ferrarii (2)
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Acanthocalycium thionanthum (5)
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Acanthocereus colombianus (3)
Acanthomintha duttonii (8)
Acanthomintha ilicifolia (4)
Acanthomintha lanceolata (13)
Acanthomintha obovata ssp. cordata (4)
Acanthoscyphus parishii var. cienegensis (8)
Acanthoscyphus parishii var. goodmaniana (30)
Acanthoscyphus parishii var. parishii (1)
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Acer ginnala (15)
Acer glabrum (13)
Acer glabrum var. diffusum (13)
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Acer macrophyllum (57)
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Acer mono (4)
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Acer negundo (12)
Acer negundo ssp. californica (5)
Acer negundo var. californicum (34)
Acer negundo var. interius (1)
Acer nigrum (4)
Acer opalus (2)
Acer palmatum (2)
Acer pensylvanicum (6)
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Acer platanoides (9)
Acer pseudoplatanus (6)
Acer pseudosieboldianum (6)
Acer rubrum (16)
Acer saccharinum (9)
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Acer shirasawanum aurem (2)
Acer shirasawanum ssp aurem (1)
Acer sp. (7)
Acer spicatum (10)
Acer tataricum (3)
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Acer X freemanii (1)
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Achillea atrata (4)
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Achillea clavennae (1)
Achillea distans (4)
Achillea filipendulina (3)
Achillea lanulosa (2)
Achillea millefolium (96)
Achillea millefolium var. occidentalis (4)
Achillea millefolium var. paprika (2)
Achillea millifolium (1)
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Achillea tomentosa var. aurea (2)
Achimenes erecta (1)
Achlys californica (2)
Achlys sp. (1)
Achlys triphylla (20)
Achnatherum aridum (6)
Achnatherum brachychaetum (10)
Achnatherum calamagrostis (1)
Achnatherum coronatum (7)
Achnatherum diegoense (5)
Achnatherum hymenoides (28)
Achnatherum latiglume (5)
Achnatherum lemmonii (12)
Achnatherum lettermanii (8)
Achnatherum nelsonii (5)
Achnatherum nevadense (1)
Achnatherum nevadensis (3)
Achnatherum occidentale (1)
Achnatherum occidentale ssp. californicum (3)
Achnatherum occidentale ssp. occidentale (6)
Achnatherum occidentale subsp. californicum (1)
Achnatherum occidentalis ssp. californicum (4)
Achnatherum parishii (5)
Achnatherum pinetorum (5)
Achnatherum speciosum (19)
Achnatherum stillmanii (1)
Achnatherum thurberianum (5)
Achnatherum webberi (5)
Achyrachaena mollis (34)
Achyronichia cooperi (2)
Achyronychia cooperi (17)
Acidanthera bicolor (4)
Acinos alpinus (4)
Acinos suaveolens (2)
Aciphylla pinnatifida (1)
Acisanthera simplex (1)
Acokanthera oblongifolia (1)
Aconitum albo-violaceum (12)
Aconitum angustifolium (3)
Aconitum axilliflorum (6)
Aconitum columbianum (63)
Aconitum columbianum ssp. columbianum (4)
Aconitum degenii ssp. paniculatum (6)
Aconitum lycoctonum (2)
Aconitum lycoctonum ssp. ranunculifolium (4)
Aconitum napellus (2)
Aconitum sp. (4)
Aconitum variegatum (5)
Acontium columbianum (3)
Acourtia microcephala (9)
Acourtia nana (2)
Acrocomia aculeata (1)
Acrodiclidium glabrum (1)
Acrodiclidium mexicanum (1)
Acrodiclidium misantlae (1)
Acroptilon repens (14)
Acrosorium fragile (1)
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Acrostichum aureum (1)
Actaea pachypoda (7)
Actaea rubra (25)
Actaea rubra ssp. arguta (1)
Actaea rubra ssp. rubra (4)
Actaea spicata (6)
Actea (5)
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Actinidia kolomikta (1)
Adansonia digitata (22)
Adansonia gregorii (1)
Adansonia rubrostipa (5)
Adelia rotundifolia (1)
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Adenium multiflorum (3)
Adenium obesum (5)
Adenium obesum var. multiflorum (1)
Adenocalymma comosum (39)
Adenocaulon bicolor (16)
Adenophyllum cooperi (16)
Adenophyllum porophylloides (9)
Adenostoma fasciculatum (52)
Adenostoma sparsifolium (20)
Adenostyles alliariae (6)
Adenostyles glabra (2)
Adesmia boronioides (1)
Adesmia pseudincana (1)
Adiantum aethiopicum (1)
Adiantum aleuticum (22)
Adiantum amazonicum (1)
Adiantum capillus-veneris (25)
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Adiantum jordanii (20)
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Adiantum nudum (1)
Adiantum pedatum (12)
Adiantum pedatum var. aleuticum (2)
Adiantum peruvianum (1)
Adiantum radianum (2)
Adiantum reniforme (1)
Adiantum scalare (1)
Adiantum trapeziforme (1)
Adiantum x tracyi (1)
Adolphia californica (17)
Adonidia merrillii (2)
Adonis aestivalis (5)
Adonis amurense (1)
Adonis annua (3)
Adonis flammea ssp. flammea (3)
Adonis microcarpa (4)
Adonis vernalis (8)
Adoxa moschatellina (3)
Adromischus cristatus (2)
Aechmea allenii (3)
Aechmea bracteata (1)
Aechmea fasciata (3)
Aechmea sp. (1)
Aegilops cylindrica (8)
Aegilops geniculata (4)
Aegilops ovata (7)
Aegilops triuncialis (25)
Aegiphila fluminensis (31)
Aegiphila paludosa (1)
Aegopodium podagraria (2)
Aeodes ecuadoreana (1)
Aeonium arboreum (6)
Aeonium balsamiferum (1)
Aeonium canariense (1)
Aeonium castello-paviae (1)
Aeonium haworthii (2)
Aeonium holochrysum (1)
Aeonium lancerottense (2)
Aeonium manriqueorum (2)
Aeonium percarneum (1)
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Aeonium tabuliforme (1)
Aeonium urbicum (2)
Aerangis modesta (1)
Aerangis sp. (2)
Aerides maculosum (1)
Aeschynomene arenicola (1)
Aeschynomene chiapensis (1)
Aeschynomene nivea (2)
Aeschynomene oaxacana (1)
Aeschynomene picachensis (1)
Aeschynomene pinetorum (1)
Aeschynomene purpusii (2)
Aeschynomene rudis (6)
Aeschynomene vigil (2)
Aesculus californica (125)
Aesculus flava (1)
Aesculus glabra (8)
Aesculus hippocastanum (18)
Aesculus pavia (1)
Aesculus X carnea (2)
Aethusa cynapium (2)
Aextoxicon punctatum (1)
Aframomum angustifolium (3)
Aframomum exscapum (1)
Agalinis calycina (2)
Agalinis fasciculata (1)
Agalinis heterophylla (3)
Agalinis maritima (2)
Agalinis paupercula var. borealis (3)
Agalinis paupercula var. paupercula (1)
Agapanthus africanus (3)
Agastache foeniculum (8)
Agastache micrantha var. durangensis (1)
Agastache pallida var. coriacea (1)
Agastache parvifolia (11)
Agastache sp. (1)
Agastache urticifolia (31)
Agastache urticifolia var. urticifolia (2)
Agathis australis (3)
Agave americana (6)
Agave americana var. marginata (4)
Agave attenuata (10)
Agave aurea (1)
Agave avellanidens (1)
Agave bracteosa (1)
Agave decipiens (1)
Agave delamateri (4)
Agave deserti (33)
Agave deserti ssp. deserti (4)
Agave deserti var. deserti (3)
Agave deserti var. simplex (2)
Agave filifera (1)
Agave inopinabilis (1)
Agave lechuguilla (1)
Agave margaritae (1)
Agave parryi (2)
Agave parryi var. huachucensis (1)
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Agave polyanthiflora (1)
Agave schidigera (1)
Agave sebastiana (1)
Agave shawii (14)
Agave shawii ssp. goldmaniana (2)
Agave shawii ssp. shawii (4)
Agave sobria (1)
Agave sp. (1)
Agave striata (1)
Agave stricta (1)
Agave utahensis (10)
Agave utahensis var. eborispina (3)
Agave utahensis var. nevadensis (1)
Agave victoriae-reginae (1)
Agave vizcainoensis Gentry (1)
Agave wercklei (1)
Agave xylonacantha (1)
Ageratina adenophora (10)
Ageratina altissima (3)
Ageratina ligustrina (2)
Ageratina occidentalis (26)
Ageratina shastensis (2)
Ageratina sp. (1)
Ageratina wrightii (1)
Ageratum houstonianum (6)
Ageratum littorale (2)
Aglaia caudatifoliolata (1)
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Agonis flexuosa (1)
Agoseris apargioides (8)
Agoseris apargioides var. apargioides (3)
Agoseris apargioides var. eastwoodiae (6)
Agoseris apargioides var. maritima (3)
Agoseris aurantiaca (24)
Agoseris aurantiaca var. aurantiaca (2)
Agoseris glauca (6)
Agoseris glauca var. laciniata (17)
Agoseris glauca var. monticola (20)
Agoseris grandiflora (39)
Agoseris heterophylla (42)
Agoseris hirsuta (2)
Agoseris retrorsa (38)
Agoseris retrosa (1)
Agoseris sp. (4)
Agrimonia eupatoria (6)
Agrimonia gryposepala (4)
Agrimonia gyrosepala (4)
Agrimonia procera (1)
Agrimonia striata (3)
Agropyron cristatum (1)
Agropyron desertorum (10)
Agropyron pungens (3)
Agropyron repens (3)
Agropyron sp. (1)
Agrostemma githago (5)
Agrostis alba var. alba (2)
Agrostis avenacea (11)
Agrostis blasdalei (3)
Agrostis capillaris (8)
Agrostis clivicola var. puntareyesensis (1)
Agrostis densiflora (1)
Agrostis elliottiana (5)
Agrostis exarata (16)
Agrostis gigantea (6)
Agrostis hallii (6)
Agrostis hendersonii (5)
Agrostis hooveri (1)
Agrostis humilis (1)
Agrostis idahoensis (8)
Agrostis microphylla (8)
Agrostis oregonensis (7)
Agrostis pallens (11)
Agrostis scabra (8)
Agrostis semiverticillata (6)
Agrostis sp. (2)
Agrostis stolonifera (11)
Agrostis tandilensis (1)
Agrostis thurberiana (3)
Agrostis variabilis (8)
Ahnfeltia svensonii (1)
Ahnfeltiopsis linearis (2)
Ahnfeltiopsis smithii (1)
Ailanthus altissima (24)
Ainsliaea pertyoides var. albotomentosa (1)
Ainsliaea reflexa (1)
Aira caryophyllea (18)
Aira praecox (2)
Ajania xylorhiza (1)
Ajuga australis (1)
Ajuga chamaepitys (5)
Ajuga genevensis (4)
Ajuga iva (6)
Ajuga pyramidalis (4)
Ajuga reptans (13)
Ajuga tenorei (1)
Albizia anthelmintica (8)
Albizia julibrissin (3)
Albizia lophantha (10)
Albizia tanganyicensis (2)
Alcea rosea (10)
Alchemilla fallax (4)
Alchemilla velebitica (5)
Alchemilla vulgaris (2)
Aldrovanda vesiculosa (19)
Aletris bracteata (2)
Aletris lutea (3)
Aleurites moluccana (3)
Alhagi pseudalhagi (11)
Aliciella latifolia (2)
Aliciella latifolia ssp. latifolia (2)
Alisma lanceolatum (3)
Alisma plantago-aquatica (6)
Alisma triviale (7)
Alkanna aucheriana (4)
Alkanna tinctoria (7)
Allamanda cathartica (1)
Allenrolfea occidentalis (40)
Alliaria petiolata (15)
Allionia incarnata (18)
Allionia sp. (1)
Allium (2)
Allium abramsii (4)
Allium acuminatum (19)
Allium aflatunense (3)
Allium ampeloprasum (7)
Allium amplectens (22)
Allium anceps (23)
Allium angulosum (7)
Allium atrorubens (4)
Allium atrorubens var. cristatum (16)
Allium bigelovii (5)
Allium bisceptrum (8)
Allium bisceptrum var. bisceptrum (19)
Allium bolanderi (6)
Allium bolanderi var. mirabile (5)
Allium burlewii (6)
Allium campanulatum (45)
Allium canadense (2)
Allium carinatum ssp. carinatum (3)
Allium carinatum ssp. pulchellum (5)
Allium cepa (4)
Allium cernuum (15)
Allium chamaemoly ssp. chamaemoly (5)
Allium christophii (2)
Allium cratericola (28)
Allium crenulatum (3)
Allium crispum (27)
Allium denticulatum (7)
Allium diabolense (4)
Allium dichlamydeum (15)
Allium douglasii (2)
Allium ericetorum (4)
Allium falcifolium (33)
Allium fimbriatum (7)
Allium fimbriatum var. fimbriatum (9)
Allium fimbriatum var. mohavense (2)
Allium fimbriatum var. purdyi (4)
Allium geyeri (1)
Allium haematochiton (7)
Allium hickmanii (5)
Allium hoffmanii (2)
Allium howellii (3)
Allium howellii var. clokeyi (1)
Allium hyalinum (8)
Allium jepsonii (7)
Allium kurtzianum (6)
Allium lacunosum (2)
Allium lacunosum ssp. lacunosum (3)
Allium lacunosum var. davisiae (2)
Allium lacunosum var. lacunosum (7)
Allium lacunosum var. micranthum (6)
Allium lemmonii (17)
Allium macropetalum (2)
Allium macrum (2)
Allium marvinii (7)
Allium membranaceum (2)
Allium monticola (1)
Allium munzii (4)
Allium neapolitanum (15)
Allium nevadense (10)
Allium nigrum (6)
Allium obtusatum var. obtusatum (1)
Allium obtusum (19)
Allium obtusum var. conspicuum (9)
Allium obtusum var. obtusum (8)
Allium pallens (4)
Allium paniculatum var. paniculatum (4)
Allium parishii (2)
Allium parryi (3)
Allium parvum (7)
Allium peninsulare (8)
Allium peninsulare var. franciscanum (8)
Allium peninsulare var. peninsulare (8)
Allium platycaule (47)
Allium praecox (9)
Allium robinsonii (1)
Allium roseum (5)
Allium sanbornii var. congdonii (10)
Allium sanbornii var. sanbornii (4)
Allium sativum (4)
Allium schoenoprasum (4)
Allium schoenoprasum ssp. alpinum (a. sibiricum) (1)
Allium schoenoprasum var. sibiricum (2)
Allium scilloides (2)
Allium scorodoprasum ssp. scorodoprasum (5)
Allium senescens (4)
Allium serra (9)
Allium serratum (4)
Allium sharsmithae (1)
Allium shevockii (10)
Allium siskiyouense (14)
Allium sp. (14)
Allium sphaerocephalon (7)
Allium stellatum (5)
Allium subhirsutum (7)
Allium tenuiflorum (5)
Allium textile (1)
Allium tolmiei (2)
Allium tolmiei var. tolmiei (4)
Allium tribracteatum (4)
Allium tricoccum (1)
Allium tricoccum var. tricoccum (1)
Allium trifoliatum (9)
Allium triquetrum (21)
Allium tuberosum (4)
Allium tuolumnense (5)
Allium uniflorum (3)
Allium unifolium (13)
Allium ursinum (5)
Allium validum (29)
Allium vallidum (1)
Allium victorialis (7)
Allium vineale (8)
Allium yosemitense (9)
Allophyllum divaricatum (7)
Allophyllum gilioides (8)
Allophyllum gilioides ssp. gilioides (4)
Allophyllum gilioides ssp. violaceum (14)
Allophyllum glutinosum (3)
Allophyllum integrifolium (13)
Allophyllum sp. (2)
Allophyton megaphyllum (1)
Allotropa virgata (31)
Alluaudia ascendens (1)
Alluaudia procera (9)
Almutaster pauciflorus (4)
Alnus acuminata (1)
Alnus glutinosa (15)
Alnus incana (2)
Alnus incana ssp. incana (2)
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Alnus - Arctostaphylos
Alnus incana ssp. rugosa (9)
Alnus incana ssp. tenuifolia (20)
Alnus japonica (1)
Alnus rhombifolia (29)
Alnus rubra (26)
Alnus tenuifolia (1)
Alnus viridis (5)
Alnus viridis ssp. crispa (6)
Alnus viridis ssp. sinuata (6)
Alocasia macrorrhizos (2)
Alocasia zebrina (1)
Aloe aculeata (1)
Aloe arborea (8)
Aloe arborescens (3)
Aloe aristata (1)
Aloe bainesii (3)
Aloe buhrii (2)
Aloe capitata var. quartziticola (1)
Aloe castanea (2)
Aloe comptonii (1)
Aloe cryptopoda (7)
Aloe deltoideodonta (1)
Aloe dichotoma (2)
Aloe doroteae (1)
Aloe ferox (2)
Aloe glauca (1)
Aloe kedongensis (1)
Aloe lateritia var. graminicola (3)
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Amelanchier alnifolia (45)
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Andropogon distachyus (7)
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Androsace delavayi ssp. mcb 1211 (1)
Androsace elongata ssp. acuta (3)
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Androsace pyrenaica (3)
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Androsace sarmentosa (4)
Androsace sempervivoides (3)
Androsace septentrionalis (6)
Androsace septentrionalis ssp. subumbellata (11)
Androsace vandellii (3)
Androsace villosa (8)
Androsace villosa ssp. arachnoidea var. superba (1)
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Androstephium breviflorum (10)
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Anemone tuberosa (15)
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Anemone virginiana var. alba (1)
Anemonella thalictroides (9)
Anemonella thalictroides ssp. fl pl (1)
Anemonella thalictroides ssp. jade feather (2)
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Anemoniflora officinalis (5)
Anemonoides amurensis (6)
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Anemopsis californica (67)
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Angelica arguta (7)
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Anisacanthus thurberi (4)
Anisocladella serratodentata (1)
Anisocoma acaulis (49)
Anisotome imbricata (1)
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Annona salzmannii (15)
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Anogramma leptophylla (1)
Anomospermum reticulatum (22)
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Antennaria dioica (8)
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Antennaria lanata (5)
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Antennaria racemosa (5)
Antennaria rosea (31)
Antennaria rosea ssp. confinis (5)
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Antennaria stenophylla (1)
Antennaria suffrutescens (7)
Antennaria umbrinella (9)
Anthemis arvensis (10)
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Anthericum ramosum (3)
Antheropeas lanosum (5)
Antheropeas wallacei (14)
Anthoceros fusiformis (2)
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Anthriscus caucalis (15)
Anthriscus sylvestris (3)
Anthurium andraeanum (2)
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Anthurium sp. (3)
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Anthyllis barba-jovis (3)
Anthyllis tetraphylla (8)
Anthyllis vulneraria (7)
Anthyllis vulneraria ssp. rubiflora (4)
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Anticlea mogollonensis (1)
Antigonon leptopus (2)
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Antirrhinum cornutum (11)
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Antirrhinum multiflorum (10)
Antirrhinum nuttallianum (9)
Antirrhinum nuttallianum ssp. nuttallianum (10)
Antirrhinum nuttallianum ssp. subsessile (4)
Antirrhinum nuttallianum ssp. subsessile (a. gray) d. thompson (1)
Antirrhinum orontium (5)
Antirrhinum ovatum (2)
Antirrhinum vexillo-calyculatum (2)
Antirrhinum vexillo-calyculatum ssp. breweri (10)
Antirrhinum vexillo-calyculatum ssp. intermedium (4)
Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum (10)
Antirrhinum virga (1)
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Aquilegia canadensis (19)
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Aquilegia flavescens var. miniata (3)
Aquilegia formosa (112)
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Aquilegia glandulosa (1)
Aquilegia jonesii (1)
Aquilegia laramiensis (2)
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Aquilegia nigricans (7)
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Aquilegia pubescens (34)
Aquilegia saximontana (2)
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Aquilegia sp. (5)
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Arabidopsis thaliana (20)
Arabis aculeolata (8)
Arabis alpina (3)
Arabis alpina ssp. alpina (4)
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Arabis blepharophylla (21)
Arabis breweri (11)
Arabis breweri ssp. austiniae (2)
Arabis breweri var. austiniae (18)
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Arabis caucasica (10)
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Arabis macdonaldiana (10)
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Arcterica nana (1)
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Arctium lappa (11)
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Arctomecon californica (42)
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Arctostapholus uva-ursi (4)
Arctostaphylos alpinus (3)
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Arctostaphylos canescens ssp. sonomensis (6)
Arctostaphylos catalinae (5)
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Arctostaphylos cruzensis (16)
Arctostaphylos densiflora (9)
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Arctostaphylos edmundsii (13)
Arctostaphylos gabilanensis (8)
Arctostaphylos gabrielensis (3)
Arctostaphylos glandulosa (14)
Arctostaphylos glandulosa ssp. adamsii (3)
Arctostaphylos glandulosa ssp. crassifolia (3)
Arctostaphylos glandulosa ssp. glandulosa (5)
Arctostaphylos glandulosa ssp. zacaensis (6)
Arctostaphylos glauca (56)
Arctostaphylos hispidula (10)
Arctostaphylos hookeri (11)
Arctostaphylos hookeri sp. montana (1)
Arctostaphylos hookeri ssp. franciscana (3)
Arctostaphylos hookeri ssp. hearstiorum (5)
Arctostaphylos hookeri ssp. hookeri (1)
Arctostaphylos hookeri ssp. montana (13)
Arctostaphylos hookeri ssp. ravenii (9)
Arctostaphylos hooveri (4)
Arctostaphylos imbricata (15)
Arctostaphylos insularis (12)
Arctostaphylos klamathensis (6)
Arctostaphylos luciana (12)
Arctostaphylos malloryi (15)
Arctostaphylos manzanita (17)
Arctostaphylos manzanita ssp. elegans (1)
Arctostaphylos manzanita ssp. laevigata (3)
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Arctostaphylos manzanita ssp. wieslanderi (1)
Arctostaphylos media (2)
Arctostaphylos mendocinoensis (9)
Arctostaphylos mewukka (3)
Arctostaphylos mewukka ssp. mewukka (1)
Arctostaphylos mewukka ssp. truei (9)
Arctostaphylos montaraensis (10)
Arctostaphylos montereyensis (3)
Arctostaphylos morroensis (10)
Arctostaphylos myrtifolia (35)
Arctostaphylos nevadensis (35)
Arctostaphylos nissenana (9)
Arctostaphylos nummularia (18)
Arctostaphylos obispoensis (8)
Arctostaphylos oppositifolia (1)
Arctostaphylos osoensis (7)
Arctostaphylos otayensis (7)
Arctostaphylos pajaroensis (9)
Arctostaphylos pallida (17)
Arctostaphylos parryana (6)
Arctostaphylos patula (24)
Arctostaphylos pechoensis (2)
Arctostaphylos peninsularis (9)
Arctostaphylos pilosula (12)
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Arctostaphylos - Azorella
Arctostaphylos pringlei (3)
Arctostaphylos pringlei sp. drupacea (1)
Arctostaphylos pringlei ssp. drupacea (14)
Arctostaphylos pumila (13)
Arctostaphylos pungens (11)
Arctostaphylos purissima (14)
Arctostaphylos rainbowensis (5)
Arctostaphylos refugioensis (8)
Arctostaphylos regismontana (12)
Arctostaphylos rubra (1)
Arctostaphylos rudis (8)
Arctostaphylos sensitiva (3)
Arctostaphylos sensitivus (1)
Arctostaphylos silvicola (10)
Arctostaphylos sp. (20)
Arctostaphylos stanfordiana (13)
Arctostaphylos stanfordiana ssp. decumbens (7)
Arctostaphylos stanfordiana ssp. raichei (5)
Arctostaphylos stanfordiana ssp. stanfordiana (1)
Arctostaphylos tomentosa (7)
Arctostaphylos tomentosa ssp. bracteosa (4)
Arctostaphylos tomentosa ssp. crinita (3)
Arctostaphylos tomentosa ssp. crustacea (12)
Arctostaphylos tomentosa ssp. eastwoodiana (8)
Arctostaphylos tomentosa ssp. rosei (1)
Arctostaphylos tomentosa ssp. tomentosa (2)
Arctostaphylos tomentosa var. trichoclada (1)
Arctostaphylos uva-ursi (20)
Arctostaphylos virgata (5)
Arctostaphylos viridissima (5)
Arctostaphylos viscida (22)
Arctostaphylos viscida ssp. mariposa (22)
Arctostaphylos viscida ssp. viscida (19)
Arctostaphylos wellsii (13)
Arctostaphyos manzanita ssp. elegans (2)
Arctotheca calendula (8)
Arctotis sp. (2)
Arctotis stoechadifolia (5)
Ardisia densiflora (1)
Ardisia escallonioides (2)
Aremonia agrimonoides (4)
Arenaria aculeata (4)
Arenaria capillaris (5)
Arenaria ciliata (4)
Arenaria congesta (4)
Arenaria congesta var. crassula (3)
Arenaria congesta var. simulans (2)
Arenaria congesta var. suffrutescens (6)
Arenaria congesta var. wheelerensis (2)
Arenaria drummondii (1)
Arenaria fendleri (1)
Arenaria kingii (2)
Arenaria kingii ssp. compacta (5)
Arenaria kingii var. glabrescens (17)
Arenaria lanuginosa ssp. saxosa (10)
Arenaria leptoclados (2)
Arenaria macradenia ssp. macradenia (2)
Arenaria macradenia var. macradenia (2)
Arenaria paludicola (5)
Arenaria pumicola (1)
Arenaria pumicola var. pumicola (3)
Arenaria serpyllifolia ssp. serpyllifolia (6)
Arenaria sp (2)
Arenaria sp. (2)
Arenaria ursina (10)
Arenaria verna (2)
Arethusa bulbosa (3)
Argania spinosa (4)
Argemone chisosensis (1)
Argemone corymbosa (13)
Argemone glauca var. glauca (2)
Argemone intermedia (1)
Argemone munita (73)
Argemone munita ssp. rotundata (8)
Argemone pleiacantha (1)
Argemone pleiacantha ssp. pinnatisecta (1)
Argemone polyanthemos (1)
Argemone sp. (13)
Argemone squarrosa ssp. glabrata (3)
Argemone subfusiformis (2)
Argentina anserina (10)
Argentina egedii (1)
Argusia gnaphalodes (2)
Argyranthemum frutescens (3)
Argyrochosma jonesii (8)
Argyrochrosma jonesii (4)
Argyroxiphium sandwicense ssp. macrocephalum (10)
Argythamnia blodgetti (2)
Argythamnia coatepensis (1)
Argythamnia lanceolata (3)
Argythamnia sitiens (1)
Arisaema amurense (1)
Arisaema candidissima (3)
Arisaema fargesii (2)
Arisaema griffithii (3)
Arisaema peninsulae (1)
Arisaema sikokianum (1)
Arisaema triphyllum (16)
Arisaema triphyllum ssp. triphyllum (10)
Arisarum vulgare (8)
Aristida adscensionis (2)
Aristida oligantha (4)
Aristida purpurea (3)
Aristida purpurea var. longiseta (1)
Aristida purpurea var. parishii (2)
Aristida purpurea var. wrightii (1)
Aristolochia argentina (2)
Aristolochia californica (47)
Aristolochia chamisssonis (1)
Aristolochia clematitis (4)
Aristolochia gigantea var. brasiliensis (6)
Aristolochia labiata (26)
Aristolochia lutea (3)
Aristolochia manchuriensis (5)
Aristolochia rotunda (5)
Aristolochia sipho (1)
Aristolochia trilobata (1)
Armeria alpina (7)
Armeria arctica (1)
Armeria arctica ssp. californica (1)
Armeria berlenguensis (1)
Armeria maritima (19)
Armeria maritima ssp. andina (2)
Armeria maritima ssp. californica (24)
Armoracia rusticana (1)
Arnica amplexicaulis (3)
Arnica cernua (4)
Arnica chamissonis (1)
Arnica chamissonis ssp. foliosa (5)
Arnica cordifolia (18)
Arnica dealbata (4)
Arnica discoidea (23)
Arnica diversifolia (2)
Arnica fulgens (5)
Arnica latifolia (7)
Arnica longifolia (8)
Arnica mollis (18)
Arnica montana (10)
Arnica nevadensis (15)
Arnica parryi (7)
Arnica parryi ssp. sonnei (5)
Arnica rydbergii (1)
Arnica sororia (9)
Arnica sp. (1)
Arnica spathulata (3)
Arnica venosa (14)
Arnica viscosa (5)
Arpophyllum giganteum (3)
Arrhenatherum elatius (3)
Artabotrys hexapetalus (1)
Artemisia abrotanum (2)
Artemisia absinthium (5)
Artemisia annua (8)
Artemisia arbuscula (3)
Artemisia arbuscula ssp. arbuscula (3)
Artemisia arbuscula ssp. longicaulis (2)
Artemisia arctica ssp. arctica (4)
Artemisia biennis (13)
Artemisia bigelovii (5)
Artemisia californica (34)
Artemisia cana (4)
Artemisia cana ssp. bolanderi (4)
Artemisia douglasiana (27)
Artemisia dracunculus (21)
Artemisia frigida (4)
Artemisia genipi (2)
Artemisia lactiflora (1)
Artemisia ludoviciana (3)
Artemisia ludoviciana ssp. incompta (19)
Artemisia ludoviciana ssp. ludoviciana (1)
Artemisia nesiotica (2)
Artemisia norvegica ssp. saxatilis (13)
Artemisia norvegica var. saxatilis (4)
Artemisia nova (7)
Artemisia palmeri (2)
Artemisia pycnocephala (20)
Artemisia pygmaea (4)
Artemisia rothrockii (9)
Artemisia schmidtiana (2)
Artemisia sp. (5)
Artemisia spinescens (13)
Artemisia stelleriana (7)
Artemisia suksdorfii (2)
Artemisia tridentata (26)
Artemisia tridentata ssp. tridentata (10)
Artemisia tridentata ssp. vaseyana (4)
Artemisia tridentata ssp. wyomingensis (2)
Artemisia tridentata var. vaseyana (3)
Artemisia tripartita (1)
Artemisia umbelliformis (2)
Artemisia vulgaris (10)
Arthrocnemum macrostachylum (4)
Arthrocnemum sp. (2)
Arthropteris altescandens (1)
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Artocarpus altilis (4)
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Arum italicum (3)
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Aruncus diocus var. pubescens (1)
Aruncus dioicus (11)
Aruncus dioicus var. pubescens (4)
Aruncus sylvester (1)
Aruncus vulgaris (1)
Arundina bambusifolia (1)
Arundina bambusifolia var. alba (1)
Arundinaria ulei (1)
Arundo donax (39)
Asarum canadense (18)
Asarum caudatum (35)
Asarum europaeum (8)
Asarum hartwegii (45)
Asarum lemmonii (9)
Asarum marmoratum (4)
Asclepias albicans (27)
Asclepias asperula (10)
Asclepias californica (44)
Asclepias californica ssp. greenei (1)
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Asclepias cordifolia (68)
Asclepias curassavica (6)
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Asclepias exaltata (2)
Asclepias fascicularis (69)
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Asclepias lanceolata (3)
Asclepias linaria (2)
Asclepias longifolia (2)
Asclepias mellodora (1)
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Asclepias solanoana (18)
Asclepias sp. (9)
Asclepias speciosa (77)
Asclepias subulata (24)
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Asclepias tuberosa (13)
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Asclepias uncialis (1)
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Asclepias vestita (9)
Ascocentrum ampullaceum (1)
Asimina reticulata (2)
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Asimina triloba (4)
Asparagopsis svedelii (1)
Asparagus acutifolius (5)
Asparagus officinalis (7)
Asparagus officinalis ssp. officinalis (3)
Asparagus tenuifolius (3)
Asperugo procumbens (5)
Asperula aristata (8)
Asperula cynanchica (8)
Asperula hirta (4)
Asperula orientalis (6)
Asperula suberosa (5)
Asperula taurina (5)
Asphodeline lutea (9)
Asphodelus aestivus (8)
Asphodelus albus (4)
Asphodelus fistulosus (15)
Asphodelus microcarpus (9)
Asphodelus ramosus (3)
Asphondylia auripila (1)
Aspidosperma quebracho-blanco (1)
Aspidotis californica (9)
Aspidotis carlotta-halliae (2)
Aspidotis carlotta-hallii (1)
Aspidotis densa (23)
Aspidotis densum (1)
Aspidotis sp. (4)
Asplenium adiantum-nigrum (13)
Asplenium aethiopicum (2)
Asplenium anceps (1)
Asplenium anisophyllum (1)
Asplenium australasicum (1)
Asplenium ayopayense (1)
Asplenium ceterach (5)
Asplenium chimantae (1)
Asplenium cordatum (1)
Asplenium gentryi (1)
Asplenium hemionitis (1)
Asplenium lolegnamense (1)
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Asplenium lunulatum (1)
Asplenium marinum (2)
Asplenium mexiae (1)
Asplenium micropaleatum (1)
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Asplenium nidus (5)
Asplenium obesum (1)
Asplenium obovatum (3)
Asplenium oellgaardii (1)
Asplenium parksii (1)
Asplenium rhizophyllum (5)
Asplenium ruta-muraria (5)
Asplenium ruta-muraria ssp. ruta-muraria (4)
Asplenium rutifolium (2)
Asplenium schizotrichum (1)
Asplenium scolopendrium (7)
Asplenium septentrionale (2)
Asplenium sessilifolium var. occidentale (1)
Asplenium splendens (1)
Asplenium subvestitum (1)
Asplenium trichomanes (11)
Asplenium trichomanes-ramosum (6)
Asplenium tripinnatifidum (1)
Asplenium tunquiniense (1)
Asplenium viride (3)
Aster albescens (2)
Aster alpigenus (1)
Aster alpigenus var. andersonii (24)
Aster alpinus (7)
Aster amellus (7)
Aster bellidiastrum (4)
Aster breweri (12)
Aster brewerii (1)
Aster brickellioides (1)
Aster campestris (1)
Aster carolinianus (1)
Aster chilensis (22)
Aster chilensis var. lentus (4)
Aster dumosus (1)
Aster eatonii (26)
Aster foliaceus (1)
Aster foliaceus ssp. parryi (1)
Aster foliaceus var. parryi (8)
Aster frondosus (9)
Aster greatae (7)
Aster integrifolius (4)
Aster laevis (1)
Aster lanceolatus ssp. hesperius (11)
Aster ledophyllus (3)
Aster lentus (6)
Aster linosyris (2)
Aster novae-angliae (8)
Aster novi-belgii (18)
Aster occidentalis (8)
Aster occidentalis var. occidentalis (11)
Aster occidentalis var. yosemitanus (5)
Aster oregonensis (19)
Aster oregonensis ssp. californicus (1)
Aster pekinensis (4)
Aster pilosus (3)
Aster puniceus (2)
Aster radulinus (29)
Aster sagittifolius (1)
Aster scopulorum (17)
Aster shortii (2)
Aster sibiricus (2)
Aster sp. (29)
Aster spectabilis (3)
Aster squamatus (8)
Aster subspicatus (2)
Aster subulatus var. ligulatus (5)
Aster unbellatus (1)
Aster vialis (5)
Asteraceae sp. (3)
Asterella californica (19)
Asterella echinella (4)
Asterella sp. (2)
Asterella tenella (3)
Asteriscus maritimus (1)
Astilba simplicifolia (2)
Astilbe biternata (1)
Astilbe chinensis (1)
Astilbe sp. (2)
Astragalus (1)
Astragalus acutirostris (9)
Astragalus agnicidus (5)
Astragalus albens (17)
Astragalus allochrous var. playanus (4)
Astragalus alpinus (2)
Astragalus amphioxys (5)
Astragalus amphioxys var. amphioxys (7)
Astragalus amphioxys var. musimonum (4)
Astragalus andersonii (5)
Astragalus anxius (6)
Astragalus argophyllus var. argophyllus (5)
Astragalus aridus (1)
Astragalus asymmetricus (2)
Astragalus atratus var. atratus (1)
Astragalus austiniae (12)
Astragalus beckwithii var. purpureus (5)
Astragalus bernardinus (4)
Astragalus bicristatus (14)
Astragalus bisulcatus (3)
Astragalus bolanderi (12)
Astragalus brauntonii (10)
Astragalus breweri (6)
Astragalus californicus (2)
Astragalus calycosus var. calycosus (17)
Astragalus calycosus var. monophyllidius (4)
Astragalus canadensis (8)
Astragalus casei (17)
Astragalus ceramicus (1)
Astragalus chamaemeniscus (2)
Astragalus cibarius (7)
Astragalus cimae var. cimae (10)
Astragalus cimae var. sufflatus (4)
Astragalus clarianus (2)
Astragalus clevelandii (1)
Astragalus coccineus (34)
Astragalus congdonii (8)
Astragalus conjunctus (2)
Astragalus crotalariae (4)
Astragalus curtipes (17)
Astragalus curvicarpus var. curvicarpus (12)
Astragalus cyaneus (1)
Astragalus deanei (7)
Astragalus didymocarpus var. didymocarpus (2)
Astragalus didymocarpus var. dispermus (1)
Astragalus douglasii (8)
Astragalus douglasii var. douglasii (8)
Astragalus douglasii var. parishii (6)
Astragalus eremiticus (1)
Astragalus exscapus (2)
Astragalus filipes (15)
Astragalus funereus (2)
Astragalus gambelianus (9)
Astragalus gambelianus var. elmeri (1)
Astragalus geyeri var. triquetrus (11)
Astragalus gibbsii (2)
Astragalus giganteus (1)
Astragalus gilmanii (18)
Astragalus glycyphyllos (7)
Astragalus gombo (2)
Astragalus hamosus (7)
Astragalus humillimus (4)
Astragalus insularis var. hardwoodii (4)
Astragalus insularis var. harwoodii (1)
Astragalus inversus (3)
Astragalus inyoensis (5)
Astragalus iodanthus var. iodanthus (16)
Astragalus jaegerianus (1)
Astragalus johannis-howellii (17)
Astragalus kentrophyta ssp. implexus (2)
Astragalus kentrophyta var. danaus (9)
Astragalus kentrophyta var. tegetarius (5)
Astragalus layneae (32)
Astragalus lemmonii (8)
Astragalus lentiformis (9)
Astragalus lentiginosus (14)
Astragalus lentiginosus ssp. fremontii (3)
Astragalus lentiginosus var. antonius (3)
Astragalus lentiginosus var. borreganus (25)
Astragalus lentiginosus var. coachellae (7)
Astragalus lentiginosus var. fremontii (21)
Astragalus lentiginosus var. idriensis (1)
Astragalus lentiginosus var. ineptus (8)
Astragalus lentiginosus var. kernensis (1)
Astragalus lentiginosus var. lentiginosus (6)
Astragalus lentiginosus var. micans (13)
Astragalus lentiginosus var. nigricalycis (20)
Astragalus lentiginosus var. piscinensis (7)
Astragalus lentiginosus var. salinus (3)
Astragalus lentiginosus var. semotus (14)
Astragalus lentiginosus var. sesquimetralis (4)
Astragalus lentiginosus var. sierrae (16)
Astragalus lentiginosus var. variabilis (23)
Astragalus leontinus (5)
Astragalus leucolobus (18)
Astragalus lonchocarpus (3)
Astragalus magdalenae var. peirsonii (10)
Astragalus malacus (21)
Astragalus megacarpus (2)
Astragalus miguelensis (17)
Astragalus miser var. tenuifolius (7)
Astragalus mohavensis (4)
Astragalus mohavensis var. mohavensis (9)
Astragalus mojavensis var. mojvavensis (1)
Astragalus mollissimus var. matthewsii (1)
Astragalus mollissimus var. mollissimus (1)
Astragalus monoensis (15)
Astragalus neomexicanus (1)
Astragalus newberryi var. castoreus (1)
Astragalus newberryi var. newberryi (6)
Astragalus nutans (3)
Astragalus nuttallianus var. imperfectus (7)
Astragalus nuttallii (15)
Astragalus nuttallii var. nuttallii (12)
Astragalus nuttallii var. virgatus (9)
Astragalus nyensis (2)
Astragalus obscurus (19)
Astragalus oocalycis (1)
Astragalus oocarpus (7)
Astragalus oophorus var. lavinii (1)
Astragalus oophorus var. oophorus (19)
Astragalus oxyphysus (22)
Astragalus pachypus var. jaegeri (8)
Astragalus pachypus var. pachypus (3)
Astragalus panamintensis (4)
Astragalus parryi (1)
Astragalus pauperculus (2)
Astragalus phoenix (2)
Astragalus platytropis (1)
Astragalus pomonensis (5)
Astragalus praelongus (1)
Astragalus preussii var. laxiflorus (10)
Astragalus preussii var. preussii (3)
Astragalus pulsiferae var. coronensis (4)
Astragalus pulsiferae var. pulsiferae (9)
Astragalus pulsiferae var. suksdorfii (7)
Astragalus purshii (12)
Astragalus purshii ssp. tinctus (2)
Astragalus purshii var. lectulus (18)
Astragalus purshii var. purshii (11)
Astragalus purshii var. tinctus (21)
Astragalus pycnostachyus (4)
Astragalus pycnostachyus var. lanosissimus (15)
Astragalus pycnostachyus var. pycnostachys (1)
Astragalus pycnostachyus var. pycnostachyus (15)
Astragalus pyncostachyus (1)
Astragalus rattanii (2)
Astragalus rattanii var. jepsonianus (6)
Astragalus remotus (12)
Astragalus reventiformis (2)
Astragalus sabulonum (6)
Astragalus serenoi var. shockleyi (21)
Astragalus sesameus (7)
Astragalus sp. (20)
Astragalus speirocarpus (1)
Astragalus succumbens (1)
Astragalus tener var. tener (13)
Astragalus tener var. titi (6)
Astragalus tidestromii (2)
Astragalus toanus (4)
Astragalus tricarinatus (11)
Astragalus trichopodos ssp. lonchus (1)
Astragalus trichopodus (5)
Astragalus trichopodus var. lonchus (6)
Astragalus trichopodus var. phoxus (10)
Astragalus umbraticus (4)
Astragalus utahensis (6)
Astragalus webberi (12)
Astragalus whitneyi (28)
Astragalus whitneyi var. confusus (6)
Astragalus whitneyi var. lenophyllus (1)
Astragalus whitneyi var. siskiyouensis (8)
Astragalus whitneyi var. whitneyi (4)
Astrantia bavarica (5)
Astrantia carniolica (5)
Astrantia major (8)
Astrolepis cochisensis (3)
Asyneuma prenanthoides (13)
Athalamia hyalina (1)
Athamanta cretensis (4)
Athamanta turbith (6)
Athanasia crithmifolia (2)
Athyrium (1)
Athyrium alpestre (1)
Athyrium alpestre var. americanum (3)
Athyrium americanum (6)
Athyrium decompositum (1)
Athyrium enorme (2)
Athyrium felix-femina var. cyclosorum (2)
Athyrium filix-femina (20)
Athyrium filix-femina var. cyclosorum (22)
Athyrium gillespiei (1)
Athyrium latinervatum (1)
Athyrium nipponicum (3)
Athyrium tripinnatifidum (1)
Athysanus pusillus (18)
Atractylis gummifera (6)
Atrichoseris platyphylla (48)
Atriplex argentea (9)
Atriplex bonnevillensis (1)
Atriplex californica (7)
Atriplex canescens (39)
Atriplex canescens ssp. canescens (10)
Atriplex confertifolia (25)
Atriplex cordulata (4)
Atriplex coronata var. coronata (5)
Atriplex coronata var. notatior (8)
Atriplex coulteri (6)
Atriplex covillei (1)
Atriplex depressa (9)
Atriplex elegans var. fasciculata (3)
Atriplex erecticaulis (8)
Atriplex fruticulosa (7)
Atriplex halimus (6)
Atriplex hymenelytra (37)
Atriplex joaquiniana (16)
Atriplex lentiformis (7)
Atriplex lentiformis ssp. lentiformis (7)
Atriplex lentiformis ssp. torreyi (9)
Atriplex leucophylla (16)
Atriplex minuscula (1)
Atriplex pacifica (4)
Atriplex parishii (3)
Atriplex parryi (7)
Atriplex patula (5)
Atriplex persistens (3)
Atriplex phyllostegia (3)
Atriplex polycarpa (26)
Atriplex prostrata (2)
Atriplex rosea (1)
Atriplex semibaccata (6)
Atriplex serenana (18)
Atriplex serenana var. davidsonii (2)
Atriplex spinifera (12)
Atriplex suberecta (2)
Atriplex subtilis (2)
Atriplex triangularis (15)
Atriplex truncata (5)
Atriplex vallicola (7)
Atriplex watsonii (1)
Atropa belladona (7)
Atropa belladonna (1)
Aubrieta columnae (2)
Aubrieta deltoidea (3)
Aubrieta elsa-lancaster (4)
Aubrieta hendersonii (1)
Aubrieta lechtlinii (2)
Aubrieta parviflora (2)
Aulacomnium palustre (6)
Aulonemia aristulata (1)
Aulonemia effusa (1)
Aulonemia laxa (1)
Aulonemia purpurata (1)
Aulonemia subpectinata (1)
Aurinia leucadea (2)
Aurinia petraea (6)
Aurinia saxatilis (8)
Austrocedrus chilensis (1)
Austrocylindropuntia shaferi (3)
Austrocylindropuntia subulata (4)
Austrocylindropuntia verschaffeltii (3)
Austrocylindropuntia vestita (1)
Austrofolium howellii (1)
Avena barbata (14)
Avena fatua (30)
Avena sativa (7)
Avena sp. (6)
Averrhoa carambola (3)
Avicennia germinans (4)
Avicennia marina var. resinifera (5)
Axonopus affinis (4)
Ayenia compacta (8)
Ayia platyglossa (1)
Azolla filiculoides (15)
Azolla sp. (1)
Azorella selago (2)
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