Babiana hirsuta (3)
Babiana hypogea (1)
Babiana nervosa (4)
Babiana sambucina (3)
Babiana sp. (5)
Babiana stricta (1)
Babiana tubulosa var. tubulosa (2)
Babiana villosa (2)
Baccharis aliena (1)
Baccharis articulata (5)
Baccharis brachyphylla (9)
Baccharis caespitosa (1)
Baccharis crispa (5)
Baccharis glutinosa (57)
Baccharis glutinosa cf. (1)
Baccharis grisebachii (1)
Baccharis halimifolia (7)
Baccharis magellanica (1)
Baccharis malibuensis (5)
Baccharis pilularis (118)
Baccharis pilularis ssp. consanguinea (119)
Baccharis pilularis ssp. consanguineus (5)
Baccharis pilularis ssp. pilularis (36)
Baccharis pilularis subsp. pilularis (1)
Baccharis plummerae (1)
Baccharis plummerae ssp. glabrata (11)
Baccharis plummerae ssp. plummerae (4)
Baccharis pteronioides (12)
Baccharis sagittalis (3)
Baccharis salicifolia (100)
Baccharis salicifolia ssp. salicifolia (59)
Baccharis salicina (9)
Baccharis sarathroides (1)
Baccharis sarothroides (94)
Baccharis sergiloides (27)
Baccharis sp. (1)
Baccharis thesioides (10)
Baccharis trinervis (24)
Baccharis vanessae (76)
Baccharis wrightii (2)
Backhousia tetraptera (2)
Bacopa caroliniana (1)
Bacopa eisenii (11)
Bacopa monnieri (12)
Bacopa rotundifolia (4)
Bacopa sp. (2)
Bactris gasipaes (3)
Bactris glassmanii (11)
Baculellum articulatum (1)
Badhamia utricularis (1)
Bahiopsis deltoidea (12)
Bahiopsis laciniata (66)
Bahiopsis lanata (1)
Bahiopsis microphylla (5)
Bahiopsis parishii (105)
Bahiopsis reticulata (53)
Bahiopsis tomentosa (7)
Bahiopsis triangularis (1)
Baikiea plutijuga (2)
Baileya multiradiata (113)
Baileya multiradiata var. multiradiata (6)
Baileya pauciradiata (86)
Baileya pleniradiata (89)
Bajacalia crassifolia (8)
Bajacalia moranii (3)
Balanites maughamii (14)
Balbisia peduncularis (8)
Balduina angustifolia (7)
Balduina uniflora (6)
Ballota nigra var. uncinata (7)
Balsamorhiza careyana (10)
Balsamorhiza deltoidea (82)
Balsamorhiza hirsuta (1)
Balsamorhiza hispidula (7)
Balsamorhiza hookeri (77)
Balsamorhiza incana (12)
Balsamorhiza lanata (18)
Balsamorhiza macrolepis (61)
Balsamorhiza macrolepsis (5)
Balsamorhiza sagittata (94)
Balsamorhiza sericea (39)
Balsamorhiza sericea x deltoidea (10)
Balsamorhiza serrata (1)
Bambusa beecheyana (2)
Bambusa dolichoclada (3)
Bambusa emeinensis (1)
Bambusa oldhamii (1)
Bambusa sp. (2)
Bambusa textilis (2)
Bambusa tuldoides (1)
Bambusa vulgaris (3)
Bambusa vulgaris 'Aureo-Variegata' (1)
Banisteriopsis caapi (2)
Banisteriopsis nummifera (27)
Banksia aemula (6)
Banksia ashbyi (7)
Banksia attenuata (1)
Banksia baxteri (11)
Banksia blechnifolia (11)
Banksia candolleana (2)
Banksia coccinea (3)
Banksia collina (3)
Banksia cunninghamii (2)
Banksia dallanneyi (4)
Banksia ericifolia (14)
Banksia falcata (2)
Banksia grandis (20)
Banksia integrifolia (28)
Banksia lindleyana (1)
Banksia marginata (15)
Banksia media (6)
Banksia menziesii (7)
Banksia oblongifolia (16)
Banksia paludosa (13)
Banksia petiolaris (1)
Banksia pilostylis (2)
Banksia praemorsa (15)
Banksia prionotes (9)
Banksia robur (6)
Banksia seminuda (2)
Banksia serrata (7)
Banksia sessilis (4)
Banksia solandri (7)
Banksia sp. (1)
Banksia speciosa (10)
Banksia spinulosa (16)
Banksia undata (3)
Banksia victoriae (9)
Baptisia australis (20)
Baptisia bracteata (2)
Baptisia lactea var. lactea (3)
Baptisia leucophaea (20)
Baptisia tinctoria (9)
Barbarea orthoceras (81)
Barbarea sp. (3)
Barbarea verna (3)
Barbarea vulgaris (20)
Barbilophozia hatcheri (1)
Barbula unguiculata (2)
Barkeria lindleyana (1)
Barkeria skinneri (1)
Barkleyanthus salignus (3)
Barleria 'Purple Dazzler' (2)
Barleria cristata (1)
Barleria repens (4)
Barleria submollis (1)
Barnadesia arborea (1)
Barnadesia jelski (3)
Barringtonia asiatica (8)
Barringtonia racemosa (2)
Bartlettia scaposa (30)
Bartlettina sordida (12)
Bartoniella equatoriana (1)
Bartramia ithyphylla (9)
Bartramia pomiformis (2)
Bartramia stricta (2)
Bartsia alpina (6)
Bassia hyssopifolia (50)
Bassia prostrata (9)
Bassia scoparia (31)
Bastardiastrum cinctum (1)
Batis maritima (22)
Bauera rubioides (1)
Bauhinia blakeana (6)
Bauhinia brachycarpa (3)
Bauhinia divaricata (1)
Bauhinia forficata (6)
Bauhinia galpinii (8)
Bauhinia macrantha (5)
Bauhinia monandra (1)
Bauhinia petersiana (9)
Bauhinia purpurea (1)
Bauhinia variegata (2)
Bauhinia variegata ssp. candida (1)
Bauhinia variegata ssp. variegata (2)
Bauhinia variegata var. Candida (1)
Bauhinia variegata var. Variegata (1)
Bauhinia x blakeana (8)
Bauhinia xblakeana (5)
Bauhinia ×blakeana (1)
Bazzania trilobata (10)
Beaucarnea hookeri (4)
Beaucarnea pliabilis (1)
Beaucarnea recurvata (7)
Beaumontia grandiflora (8)
Bebbia juncea (31)
Bebbia juncea var. aspera (92)
Bebbia juncea var. atriplicifolia (32)
Bebbia juncea var. juncea (6)
Beckmannia syzigachne (39)
Becquerelia cymosa (5)
Beesia calthifolia (1)
Beesia deltophylla (2)
Begonia 'Lucerna' (1)
Begonia angustiloba (5)
Begonia baik (2)
Begonia boliviensis (8)
Begonia bowerae (3)
Begonia brevirimosa ssp. exotica (2)
Begonia carolineifolia (1)
Begonia chloroneura (2)
Begonia chlorosticta (3)
Begonia cucullata (2)
Begonia cv. Silver Jewel (1)
Begonia decandra (1)
Begonia dichotoma (2)
Begonia foliosa (1)
Begonia formosana (2)
Begonia gehrtii (3)
Begonia gracilis (15)
Begonia grandis (5)
Begonia grandis ssp. grandis (2)
Begonia heracleifolia (1)
Begonia hirtella (2)
Begonia homonyma (1)
Begonia luxurians (7)
Begonia luxurians x begonia gehrtii (5)
Begonia maculata (3)
Begonia mansoniana (4)
Begonia minor (1)
Begonia nelumbiifolia (4)
Begonia paleata (3)
Begonia pinnatifida (2)
Begonia prismatocarpa (1)
Begonia pteridiformis (2)
Begonia rex (24)
Begonia sandtii (10)
Begonia schariffiana (1)
Begonia semperflorens-cultorum (1)
Begonia solimutata (1)
Begonia sp. (45)
Begonia stigmosa (1)
Begonia sutherlandii (2)
Begonia thelmae (2)
Begonia venosa (4)
Begonia x tuberhybrida (1)
Behia pedata (4)
Beilschmiedia costaricensis (1)
Beilschmiedia zapoteoides (1)
Bejaria racemosa (2)
Bellardia trixago (74)
Bellardia viscosa (73)
Bellevalia flexuosa (1)
Bellis annua (7)
Bellis perennis (100)
Bellis rogglii (5)
Bellium minutum (1)
Bencomia sphaerocarpa (3)
Benincasa hispida (6)
Benitoa occidentalis (41)
Bensoniella oregona (30)
Benstonea monticola (1)
Berberis aquifolium (75)
Berberis aquifolium var. aquifolium (19)
Berberis aquifolium var. dictyota (49)
Berberis aquifolium var. repens (27)
Berberis cretica (6)
Berberis darwinii (11)
Berberis dictyota (5)
Berberis empetrifolia (5)
Berberis eurybracteata (5)
Berberis fremontii (61)
Berberis gracilis (2)
Berberis grayi (1)
Berberis haematocarpa (16)
Berberis hallii (1)
Berberis harrisoniana (2)
Berberis higginsiae (8)
Berberis insignis (1)
Berberis koreana (2)
Berberis lycioides (1)
Berberis microphylla (6)
Berberis moranensis (2)
Berberis napaulensis var. napaulensis (3)
Berberis nervosa (59)
Berberis nevinii (43)
Berberis oiwakensis (7)
Berberis pinnata (18)
Berberis pinnata ssp. insularis (10)
Berberis pinnata ssp. pinnata (34)
Berberis pumila (6)
Berberis repens (76)
Berberis replicata (3)
Berberis sanguinea (2)
Berberis sargentiana (1)
Berberis sp. (3)
Berberis thunbergii (11)
Berberis triacanthophora (1)
Berberis trifoliolata (12)
Berberis vulgaris (9)
Berberis vulgaris ssp. australis (1)
Berberis wallichiana (3)
Berberis wilcoxii (1)
Bergenia cordifolia (2)
Bergenia crassifolia (5)
Bergenia crassifolia var. crassifolia (5)
Bergenia sp. (1)
Bergera koenigii (4)
Bergerocactus emoryi (66)
Bergia texana (3)
Berkheya barbata (1)
Berkheya bergiana (3)
Berkheya coriacea (1)
Berkheya fruticosa (1)
Berkheya insignis (2)
Berkheya mackenii (1)
Berkheya purpurea (12)
Berkheya rhapontica (2)
Berkheya sp. (2)
Berkheya spinosissima (1)
Berlandiera lyrata (31)
Berlandiera pumila (4)
Berlandiera texana (10)
Bernardia incana (26)
Bernardia myricifolia (9)
Bernardia obovata (4)
Berteroa incana (24)
Bertholletia excelsa (1)
Berula erecta (45)
Berzelia abrotanoides (1)
Berzelia albiflora (5)
Berzelia lanuginosa (7)
Berzelia sp. (3)
Beschorneria albiflora (5)
Beschorneria rigida (3)
Beschorneria yuccoides (1)
Bessera tenuiflora (5)
Bestia longipes (3)
Beta vulgaris (30)
Beta vulgaris ssp. cicla (1)
Beta vulgaris ssp. maritima (12)
Beta vulgaris ssp. vulgaris (22)
Beta vulgaris var. cicla (1)
Betonica alopecuros (4)
Betonica officinalis (9)
Betonica officinalis var. serotina (5)
Betula alleghaniensis (17)
Betula alleghaniensis var. alleghaniensis (11)
Betula calcicola (1)
Betula costata (3)
Betula davurica (2)

Betula ermanii (2)
Betula fargesii (4)
Betula fontinalis (1)
Betula glandulosa (26)
Betula grossa (3)
Betula lenta (1)
Betula litwinowi (1)
Betula lutea (7)
Betula michauxii (3)
Betula nana (5)
Betula nigra (15)
Betula occidentale (4)
Betula occidentalis (64)
Betula papyrifera (34)
Betula papyrifera var. papyrifera (21)
Betula pendula (30)
Betula pendula ssp. mandshurica (36)
Betula pendula var. pendula (12)
Betula populifolia (9)
Betula potaninii (9)
Betula pubescens (5)
Betula pumila (11)
Betula sp. (4)
Betula tianschanica (1)
Betula utilis (19)
Betula utilis ssp. albosinensis (3)
Betula utilis ssp. jacquemontii (6)
Betula X sandbergii (10)
Beuacarnea recurvata (1)
Bia alienata (13)
Biarum davisii (3)
Biarum ditschianum (2)
Biarum tenuifolium (5)
Bidens aequisquama (2)
Bidens alba (2)
Bidens aristosa (5)
Bidens aurea (45)
Bidens bigelovii (3)
Bidens bipinnata (23)
Bidens cernua (46)
Bidens ferulifolia (1)
Bidens forbesii (1)
Bidens frondosa (65)
Bidens gentryi (5)
Bidens hawaiensis (6)
Bidens heterosperma (5)
Bidens laevis (32)
Bidens ostruthioides (2)
Bidens pilosa (49)
Bidens polylepis (3)
Bidens sp. (8)
Bidens tenuisecta (4)
Bidens trichosperms (2)
Bidens tripartita (20)
Bidens xanti (5)
Bifrenaria inodora (1)
Bifrenaria tyrianthina (1)
Bigelowia nudata var. nudata (5)
Bigelowia nuttallii (2)
Bignonia callistegioides (8)
Bignonia capreolata (2)
Bignonia magnifica (1)
Bigonia gracilis (1)
Bijlia tugwelliae (5)
Bilbergia nutans (3)
Billardiera heterophylla (13)
Billbergia hybrid (1)
Billbergia nutans (4)
Billbergia sanderiana (2)
Billbergia sp. (1)
Bipinnula fimbriata (2)
Bipinnula plumosa (1)
Biscutella laevigata (9)
Bismarckia nobilis (17)
Bistorta amplexicaulis (1)
Bistorta bistortoides (75)
Bistorta officinalis (13)
Bistorta vivipara (13)
Bituminaria bituminosa (20)
Bixa orellana (8)
Blackstonia perfoliata (1)
Blackstonia perfoliata ssp. perfoliata (7)
Blasia pusilla (5)
Blechnum bolivianum (1)
Blechnum brasiliense (3)
Blechnum capense (2)
Blechnum caudatum (5)
Blechnum cordatum (13)
Blechnum cyatheoides (20)
Blechnum cycadifolium (1)
Blechnum difforme (1)
Blechnum discolor (8)
Blechnum gibbum (3)
Blechnum gracile (2)
Blechnum lehmannii (3)
Blechnum leyboldtianum (10)
Blechnum loxense (2)
Blechnum medium (3)
Blechnum moorei (2)
Blechnum neohollandicum (4)
Blechnum novae-zelandiae (3)
Blechnum occidentale (1)
Blechnum orientale (7)
Blechnum pacificum (14)
Blechnum pallidum (9)
Blechnum patersonii (18)
Blechnum pazense (1)
Blechnum penna-marina (7)
Blechnum punctulatum (1)
Blechnum raiateense (16)
Blechnum rosenstockii (1)
Blechnum spicant (30)
Blechnum squarrosum (8)
Blechnum unisorum (9)
Blechnum vulcanicum (9)
Blennosperma bakeri (51)
Blennosperma nanum (40)
Blennosperma nanum var. nanum (135)
Blennosperma nanum var. robustum (49)
Blepharidachne kingii (11)
Blepharipappus scaber (60)
Blepharizonia laxa (48)
Blepharizonia plumosa (45)
Blephilia ciliata (11)
Blephilia hirsuta var. hirsuta (21)
Bletia mexicana (2)
Bletilla ochracea (2)
Bletilla purpurea (2)
Bletilla striata (11)
Bletilla striata var. alba (1)
Blindia acuta (3)
Blitum bonus-henricus (5)
Blitum capitatum (5)
Blitum capitatum ssp. hastatum (5)
Blitum nuttallianum (5)
Blitum virgatum (2)
Bloomeria clevelandii (13)
Bloomeria crocea (75)
Bloomeria crocea var. aurea (16)
Bloomeria crocea var. crocea (15)
Bloomeria crocea var. montana (29)
Bloomeria humilis (16)
Blossfeldia liliputana (3)
Blumea sinuata (2)
Blumenbachia sp. (2)
Bobartia orientalis (2)
Bobea elatior (2)
Bobea timonioides (7)
Bocconia arborea (11)
Bocconia frutescens (2)
Bocconia latisepala (3)
Bocconia sp. (3)
Boeberastrum anthemidifolium (13)
Boechera aculeolata (6)
Boechera arcuata (88)
Boechera breweri (29)
Boechera breweri ssp. breweri (44)
Boechera breweri ssp. shastaensis (39)
Boechera californica (18)
Boechera cobrensis (12)
Boechera collinsii (3)
Boechera constancei (17)
Boechera cusickii (2)
Boechera davidsonii (9)
Boechera depauperata (16)
Boechera dispar (14)
Boechera divaricarpa (20)
Boechera drummondii (2)
Boechera elkoensis (30)
Boechera glaucovalvula (6)
Boechera hastatula (1)
Boechera hoffmannii (23)
Boechera holboellii (3)
Boechera howellii (34)
Boechera inyoensis (13)
Boechera johnstonii (17)
Boechera koehleri (31)
Boechera lasiocarpa (8)
Boechera lemmonii (20)
Boechera lyallii (15)
Boechera microphylla (5)
Boechera microphylla; (1)
Boechera parishii (31)
Boechera pauciflora (33)
Boechera paupercula (13)
Boechera peirsonii (7)
Boechera pendulina (7)
Boechera pendulocarpa (2)
Boechera perennans (23)
Boechera perennans ssp. fendleri (4)
Boechera pinetorum (35)
Boechera platysperma (12)
Boechera pratincola (5)
Boechera puberula (11)
Boechera pulchra (57)
Boechera pygmaea (2)
Boechera rectissima (2)
Boechera repanda (43)
Boechera retrofracta (77)
Boechera rigidissima (12)
Boechera rollei (7)
Boechera serpenticola (45)
Boechera shockleyi (25)
Boechera sparsiflora (33)
Boechera stricta (67)
Boechera subpinnatifida (56)
Boechera suffrutescens (15)
Boechera tiehmii (5)
Boechera tularensis (8)
Boechera xylopoda (23)
Boechera yorkii (14)
Boehmeria cylindrica (13)
Boehmeria excelsa (1)
Boehmeria japonica (3)
Boehmeria japonica var. silvestrii (2)
Boehmeria nivea (3)
Boehmeria platanifolia (1)
Boergesenia forbesii (2)
Boerhavia anisophylla (12)
Boerhavia coccinea (45)
Boerhavia coulteri (6)
Boerhavia coulteri var. palmeri (26)
Boerhavia diffusa (3)
Boerhavia gracillima (6)
Boerhavia purpurascens (19)
Boerhavia spicata (1)
Boerhavia torreyana (9)
Boerhavia triquetra (8)
Boerhavia triquetra var. intermedia (34)
Boerhavia wrightii (50)
Boerhavia xanti (14)
Bolandra californica (35)
Bolax gummifera (8)
Bolbitis heteroclita (1)
Bolbitis lonchophora (7)
Bolbitis quoyana (1)
Bolbitis subcrenata var. subcrenata (1)
Bolboschoenus fluviatilis (21)
Bolboschoenus glaucus (12)
Bolboschoenus maritimus (23)
Bolboschoenus maritimus ssp. maritimus (5)
Bolboschoenus maritimus ssp. paludosus (52)
Bolboschoenus robustus (14)
Boltonia asteroides (9)
Bolusanthus speciosus (9)
Bomarea dulcis (2)
Bomarea edulis (1)
Bomarea hirsuta (1)
Bomarea multiflora (9)
Bomarea salsilla (8)
Bombax ceiba (2)
Bonatea speciosa (9)
Bonnetia sp. (5)
Bonplandia geminiflora (8)
Boodlea composita (2)
Boophone disticha (6)
Boophone haemanthoides (4)
Borago officinalis (58)
Borassus aethiopum (3)
Borodinia laevigata (2)
Boronia crenulata (2)
Boronia falcifolia (1)
Boronia megastigma (2)
Boronia muelleri (2)
Boronia sp. (1)
Borrichia arborescens (8)
Borrichia frutescens (22)
Borzicactus aureispina (2)
Borzicactus fieldianus (1)
Borzicactus icosagonus (2)
Borzicactus icosagonus var. oehmeanus (2)
Boschniakia rossica (13)
Boscia albitrunca (15)
Boscia albitrunca ssp. rehmanniana (1)
Boscia foetida ssp. rehmanniana (13)
Bossiaea aquifolium ssp. laidlawiana (3)
Bossiaea eriocarpa (2)
Bossiella californica (2)
Bostrychia moritziana (2)
Bostrychia moritziana cf (15)
Boswellia sacra (4)
Bothrichloa barbinodis (1)
Bothriochloa barbinodis (40)
Bothriochloa ischaemum (20)
Bothriochloa laguroides (5)
Bothriochloa laguroides ssp. torreyana (7)
Bothriochloa springfieldii (1)
Botriochloa barbinodis (1)
Botrychium angustisegmentum (2)
Botrychium ascendens (18)
Botrychium campestre (2)
Botrychium crenulatum (74)
Botrychium dissectum (10)
Botrychium dissectum var. dissectum (2)
Botrychium lanceolatum (17)
Botrychium lunaria (17)
Botrychium matricariifolium (2)
Botrychium minganense (66)
Botrychium montanum (23)
Botrychium multifidum (8)
Botrychium paradoxum (3)
Botrychium paradoxum x minganense (10)
Botrychium pedunculosum (19)
Botrychium pinnatum (22)
Botrychium pumicola (30)
Botrychium simplex (63)
Botrychium virginianum (43)
Botrychium xwatertonense (2)
Botryocladia pseudodichotoma (1)
Botryocladia skottsbergii (6)
Botryocladia sp. (1)
Botryocladia tenuissima (1)
Botrypus virginianus (38)
Bouchetia erecta (5)
Bougainvilla spectabilis (2)
Bougainvillea sp. (15)
Bougainvillea spectabilis (22)
Bougainvillea x buttiana (16)
Bourreria sonorae (20)
Bourreria succulenta (3)
Bouteloa ramosa (1)
Bouteloua aristidoides (16)
Bouteloua aristidoides var. aristidoides (13)
Bouteloua barbata (12)
Bouteloua barbata var. barbata (28)
Bouteloua breviseta (3)
Bouteloua chondrosioides (9)
Bouteloua curtipendula (28)
Bouteloua curtipendula var. curtipendula (2)
Bouteloua dactyloides (4)
Bouteloua eriopoda (12)
Bouteloua gracilis (42)
Bouteloua hirsuta (13)
Bouteloua hirsuta var. hirsuta (11)
Bouteloua radicosa (3)
Bouteloua ramosa (2)
Bouteloua simplex (1)
Bouteloua trifida (9)
Bouvardia multiflora (3)
Bouvardia ovata (2)
Bouvardia subcordata (2)

Bouvardia ternifolia (33)
Bowenia spectabilis (2)
Bowiea volubilis (1)
Bowlesia incana (49)
Boykinia major (47)
Boykinia occidentalis (45)
Boykinia richardsonii (2)
Boykinia rotundifolia (43)
Boykinia sp. (1)
Brachybotrys paridiformis (2)
Brachycereus nesioticus (15)
Brachychiton acerifolius (18)
Brachychiton discolor (33)
Brachychiton populneus (27)
Brachychiton rupestris (28)
Brachychiton x excellens (3)
Brachychiton x roseus (5)
Brachyelytrum aristosum (3)
Brachyglottis compacta (4)
Brachyglottis monroi (1)
Brachyglottis repanda (2)
Brachylaena discolor var. rotundata (10)
Brachylaena discolor var. transvaalensis (3)
Brachylaena elliptica (4)
Brachyotum ledifolium (1)
Brachypodium distachyon (21)
Brachypodium sylvaticum (13)
Brachyscome iberidifolia (6)
Brachyscome multifida (1)
Brachyscome sp. (1)
Brachystegia sp. (1)
Brachystegia spiciformis (8)
Brachystegia utilis (4)
Brachytheciastrum collinum (5)
Brachytheciastrum velutinum (5)
Brachythecium albicans (9)
Brachythecium asperrimum (3)
Brachythecium collinum (1)
Brachythecium frigidum (10)
Brachythecium velutinum (1)
Brachythecium venustum (1)
Brachytlaena transvaalensis (4)
Brackenridgea zanguebarica (5)
Bradburia hirtella (3)
Brahea armata (41)
Brahea armata x brahea aculeata (1)
Brahea brandegeei (2)
Brahea decumbens (1)
Brahea dulcis (3)
Brahea edulis (8)
Brahea moorei (1)
Brandegea bigelovii (47)
Brasenia schreberi (48)
Brassavola nodosa (1)
Brassavola tuberculata (1)
Brassia incantans (1)
Brassica chinensis var. chinensis (1)
Brassica cretica ssp. cretica (5)
Brassica juncea (12)
Brassica napus (28)
Brassica neobrassica (1)
Brassica nigra (109)
Brassica olearacea var. palmifolia (1)
Brassica oleracea (116)
Brassica oleracea ssp. italica (2)
Brassica oleracea var. (1)
Brassica oleracea var. botrytis (1)
Brassica oleracea var. gemmifera (7)
Brassica rapa (88)
Brassica rapa ssp. rapa (2)
Brassica tournefortii (61)
Brassolaeliocattleya (1)
Brassolaeliocattleya sp. (2)
Breanadia salicina (5)
Bredelia micrantha (1)
Breonadia salicina (21)
Brewerimitella breweri (8)
Brewerimitella ovalis (8)
Breynia disticha (6)
Breynia disticha var. roseo-picta (1)
Breynia nivosa (2)
Bricekellia betonicifolia (1)
Brickellia amplexicaulis (3)
Brickellia arguta var. arguta (2)
Brickellia atractyloides (2)
Brickellia atractyloides var. arguta (22)
Brickellia atractyloides var. atractyloides (6)
Brickellia atractyloides var. odontolepis (8)
Brickellia baccharidea (5)
Brickellia betonicifolia (8)
Brickellia californica (120)
Brickellia cordifolia (3)
Brickellia coulteri (13)
Brickellia desertorum (13)
Brickellia floribunda (4)
Brickellia frutescens (6)
Brickellia glabrata (3)
Brickellia grandiflora (42)
Brickellia greenei (27)
Brickellia incana (52)
Brickellia knappiana (9)
Brickellia laciniata (7)
Brickellia lemmonii (3)
Brickellia leptophylla (14)
Brickellia longifolia (12)
Brickellia longifolia var. multiflora (28)
Brickellia microphylla var. microphylla (24)
Brickellia nevinii (25)
Brickellia oblongifolia (1)
Brickellia oblongifolia var. linifolia (68)
Brickellia peninsularis var. peninsularis (8)
Brickellia rusbyi (6)
Brickellia salicifolia (1)
Brickellia sp. (1)
Brickellia spinulosa (2)
Brickellia venosa (2)
Brickellia veronicaefolia (2)
Brickelliastrum fendleri (4)
Bridelia micrantha (16)
Bridelia mollis (7)
Bridgesia incisifolia (3)
Brintonia discoidea (4)
Briza maxima (76)
Briza media (4)
Briza minor (51)
Broadleaf lupine (1)
Brocchinia reducta (9)
Brodiaea appendiculata (36)
Brodiaea californica (35)
Brodiaea coronaria (48)
Brodiaea elegans (80)
Brodiaea elegans ssp. elegans (135)
Brodiaea elegans ssp. hooveri (4)
Brodiaea elegans subsp. elegans (4)
Brodiaea elegans var. elegans (1)
Brodiaea filifolia (71)
Brodiaea insignis (14)
Brodiaea jolonensis (25)
Brodiaea kinkiensis (15)
Brodiaea leptandra (29)
Brodiaea matsonii (35)
Brodiaea minor (78)
Brodiaea nana (43)
Brodiaea orcuttii (34)
Brodiaea pallida (12)
Brodiaea rosea (4)
Brodiaea rosea ssp. rosea (17)
Brodiaea rosea ssp. vallicola (7)
Brodiaea rosea subsp. rosea (12)
Brodiaea rosea subsp. vallicola (10)
Brodiaea santarosae (35)
Brodiaea sierrae (46)
Brodiaea sp. (5)
Brodiaea stellaris (8)
Brodiaea terrestris (29)
Brodiaea terrestris ssp. kernensis (73)
Brodiaea terrestris ssp. terrestris (87)
Bromelia balansae (4)
Bromelia pinguin (3)
Bromelia serra (5)
Bromelia unaensis (1)
Bromus anomalus (7)
Bromus arenarius (21)
Bromus arizonicus (23)
Bromus berteroanus (8)
Bromus briziformis (17)
Bromus carinatus (23)
Bromus caroli-henrici (15)
Bromus catharticus (19)
Bromus catharticus var. catharticus (5)
Bromus catharticus var. elatus (6)
Bromus ciliatus (13)
Bromus commutatus (23)
Bromus diandrus (72)
Bromus grandis (8)
Bromus hallii (4)
Bromus hordeaceu (2)
Bromus hordeaceus (81)
Bromus inermis (26)
Bromus inermis ssp. inermis (3)
Bromus japonicus (16)
Bromus kalmii (3)
Bromus laevipes (30)
Bromus latiglumis (3)
Bromus madritensis (17)
Bromus marginatus (1)
Bromus orcuttianus (8)
Bromus porteri (10)
Bromus pseudolaevipes (7)
Bromus pubescens (2)
Bromus racemosus (10)
Bromus richardsonii (17)
Bromus rubens (50)
Bromus secalinus (5)
Bromus sitchensis (11)
Bromus sitchensis var. carinatus (37)
Bromus sitchensis var. maritimus (13)
Bromus sp. (5)
Bromus sterilis (12)
Bromus suksdorfii (6)
Bromus tectorum (32)
Bromus vulgaris (25)
Brongniartia alamosana (1)
Broughtonia sanguinea (3)
Broussonetia papyrifera (14)
Browallia americana (2)
Brownea macrophylla (5)
Browningia chlorocarpa (1)
Browningia hertlingiana (2)
Brownleea parviflora (2)
Bruchia bolanderi (33)
Bruchia flexuosa (1)
Brugmansia arborea (3)
Brugmansia sanguinea (8)
Brugmansia sp. (2)
Brugmansia suaveolens (3)
Brugmansia versicolor (8)
Brugmansia x candida (4)
Brugmansia xcandida (2)
Brunfelsia americana (2)
Brunfelsia australis (1)
Brunfelsia gigantea (1)
Brunfelsia lactea (1)
Brunfelsia pauciflora (6)
Brunia laevis (1)
Brunnera macrophylla (14)
Brunnichia ovata (5)
Brunsvigia bosmaniae (2)
Brunsvigia grandiflora (5)
Brunsvigia gregaria (3)
Brunsvigia marginata (1)
Brunsvigia orientalis (2)
Bryobium hyacinthoides (1)
Bryolawtonia vancouveriensis (1)
Bryonia alba (6)
Bryopsida sp. (1)
Bryopsis galapagensis (2)
Bryopsis harveyana (3)
Bryopsis indica var. triseriata (1)
Bryopsis pennata f. secunda (2)
Bryopsis pennata var. secunda (4)
Bryopsis plumosa (6)
Bryum argenteum (14)
Bryum barnesii (4)
Bryum calobryoides (1)
Bryum canariense (1)
Bryum capillare (9)
Bryum cyclophyllum (5)
Bryum lanatum (1)
Bryum miniatum (1)
Bryum muehlenbeckii (8)
Buchnera americana (3)
Buchnera pusilla (7)
Buckiella undulata (7)
Bucklandiella affinis (1)
Buddleja auriculata (1)
Buddleja colvilei (2)
Buddleja cordata (27)
Buddleja cordifolia (2)
Buddleja cordobensis (2)
Buddleja coriacea (1)
Buddleja crispa (4)
Buddleja davidii (54)
Buddleja globosa (9)
Buddleja laricata (1)
Buddleja lindleyana (3)
Buddleja marrubiifolia (5)
Buddleja parviflora (13)
Buddleja salviifolia (5)
Buddleja scordioides (25)
Buddleja sessiliflora (8)
Buddleja skutchii (2)
Buddleja tucumanensis (2)
Buddleja utahensis (18)
Buddleja x weyeriana (2)
Buglossoides arvensis (25)
Bukiniczia cabulica (1)
Bulbine abyssinica (2)
Bulbine frutescens (8)
Bulbine latifolia (2)
Bulbine praemorsa (1)
Bulbinella floribunda (2)
Bulbinella latifolia ssp. doleritica (2)
Bulbinella triquetra (1)
Bulbophyllum barbigerum (1)
Bulbophyllum blepharistes (1)
Bulbophyllum careyanum (1)
Bulbophyllum echinolabium (3)
Bulbophyllum lepidum (3)
Bulbophyllum lobbii (2)
Bulbophyllum longiflorum (2)
Bulbophyllum macraei (1)
Bulbophyllum picturatum (3)
Bulbophyllum scaphiforme (2)
Bulbophyllum sp. (2)
Bulbophyllum tahitense (3)
Bulbophyllum tricornoides (1)
Bulbostylis capillaris (32)
Bulbostylis paradoxa (1)
Bulnesia retama (1)
Bunias erucago (7)
Buphthalmum salicifolium (13)
Bupleurum fruticosum (3)
Bupleurum petraeum (3)
Bupleurum ranunculoides ssp. ranunculoides (1)
Bupleurum semicompositum (5)
Bupleurum veronense (10)
Burchardia umbellata (3)
Burchellia bubalina (2)
Burkea africana (22)
Burmannia sp. (1)
Bursaria spinosa (5)
Bursera biflora (1)
Bursera epinnata (9)
Bursera fagaroides (22)
Bursera filicifolia (8)
Bursera grandifolia (3)
Bursera graveolens (3)
Bursera hindsiana (24)
Bursera lancifolia (9)
Bursera laxiflora (6)
Bursera macdougalii (1)
Bursera microphylla (159)
Bursera penicillata (3)
Bursera simaruba (18)
Butea monosperma (1)
Buthia eriospatha (4)
Butia capitata (12)
Butia eriospatha (3)
Butomus umbellatus (55)
Buxbaumia aphylla (2)
Buxbaumia piperi (3)
Buxbaumia viridis (8)
Buxus harlandii (2)
Buxus microphylla ssp. japonica (3)
Buxus sempervirens (16)
Buxus sinica var. insularis (4)
Byblis gigantea (6)
Byblis liniflora (9)
Byrsonima lucida (5)