| Babiana - Bidens
Babiana sp. (5)
Baccharis articulatus (3)
Baccharis douglasii (17)
Baccharis grisebachii (1)
Baccharis pilularis (54)
Baccharis plummerae ssp. glabrata (2)
Baccharis sagittalis (3)
Baccharis salicifolia (38)
Baccharis sarothroides (3)
Baccharis sergiloides (3)
Baccharis sp. (1)
Baccharis trinervis (24)
Baccharis vanessae (2)
Bacopa caroliniana (1)
Bacopa eisenii (3)
Bacopa monnieri (6)
Bacopa rotundifolia (4)
Bacopa sp. (2)
Bactris gasipaes (1)
Bactris glassmanii (11)
Bahia ambrosioides (1)
Bahia dissecta (3)
Baileya multiradiata (16)
Baileya multiradiata var. multiradiata (13)
Baileya pauciradiata (16)
Baileya pleniradiata (23)
Balbitis loncophora (1)
Ballota nigra var. uncinata (7)
Ballota rupestris (1)
Balsamorhiza careyana (7)
Balsamorhiza deltoidea (29)
Balsamorhiza hirsuta (1)
Balsamorhiza hookeri (22)
Balsamorhiza hookeri var. lanata (10)
Balsamorhiza macrolepis (1)
Balsamorhiza macrolepis var. macrolepis (3)
Balsamorhiza macrolepis var. platylepis (8)
Balsamorhiza sagittata (37)
Balsamorhiza sericea (7)
Balsamorhiza sericea-x-deltoidea (2)
Bambusa sp. (2)
Bambusa vulgaris (2)
Banisteriopsis caapi (2)
Banisteriopsis nummifera (27)
Banksia (1)
Banksia aemula (1)
Banksia blechnifolia (1)
Banksia integrifolia (1)
Banksia marginata (1)
Baptisia australis (2)
Barbarea orthoceras (9)
Barbarea verna (2)
Barbarea vulgaris (8)
Barkeria lindleyana (1)
Barkeria skinneri (1)
Barlia robertiana (8)
Bartoniella equatoriana (1)
Bartsia alpina (3)
Bassia hyssopifolia (7)
Bastardiastrum cinctum (1)
Batis maritima (3)
Bauhinia blakeana (3)
Bauhinia forficata (1)
Bauhinia petersiana (1)
Beaumontia grandiflora (5)
Bebbia juncea (10)
Bebbia juncea var. aspera (7)
Beckmannia syzigachne (7)
Begonia (1)
Begonia semperflorens-cultorum (1)
Beilschmiedia costaricensis (1)
Beilschmiedia erythrophloea (1)
Beilschmiedia zapoteoides (1)
Belamcanda chinensis (1)
Bellardia trixago (27)
Bellis annua (7)
Bellis perennis (26)
Beloperone guttata (1)
Bensoniella oregana (1)
Bensoniella oregona (9)
Berberis aquifolium (2)
Berberis aquifolium var. aquifolium (4)
Berberis aquifolium var. dictyota (12)
Berberis aquifolium var. repens (9)
Berberis darwinii (1)
Berberis empetrifolia (1)
Berberis fremontii (22)
Berberis gracilis (1)
Berberis grayi (1)
Berberis harrisoniana (1)
Berberis koreana (1)
Berberis lycoides (1)
Berberis nervosa (3)
Berberis nevinii (27)
Berberis pinnata (4)
Berberis pinnata ssp. insularis (6)
Berberis pinnata ssp. pinnata (2)
Berberis piperiana (1)
Berberis pumila (1)
Berberis repens (4)
Berberis sanguinea (1)
Berberis sargentiana (1)
Berberis sp. (3)
Berberis triacanthophora (1)
Berberis vulgaris (8)
Berberis wallichiana (3)
Berberis wilcoxii (1)
Bergenia cordifolia (4)
Bergenia sp. (1)
Bergerocactus emoryi (19)
Berkheya purpurea (5)
Berlanderia texana (2)
Bernardia myricifolia (4)
Berteroa incana (7)
Bertholletia excelsa (1)
Berula erecta (5)
Besseya alpina (1)
Beta maritima (8)
Beta vulgaris (3)
Beta vulgaris ssp. cicla (1)
Beta vulgaris var. maritima (5)
Betonica alopecuros (4)
Betonica serotina (5)
Betula alleghaniensis (5)
Betula alleghaniensis var. alleghaniensis (1)
Betula davurica (2)
Betula fontinalis (1)
Betula lenta (1)
Betula nana (4)
Betula nana ssp. exilis (1)
Betula nigra (5)
Betula occidentalis (12)
Betula papyrifera (12)
Betula pendula (1)
Betula pendula var. pendula (12)
Betula platyphylla (31)
Betula populifolia (2)
Betula pubescens (1)
Betula pumila (7)
Betula pumila var. glandulifera (7)
Betula sp. (4)
Betula utilis (7)
Biarum davisii (1)
Biarum tenuifolium (5)
Bidens aequisquama (2)
Bidens alba var. radiata (2)
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Bidens - Brassolaeliocattleya
Bidens cernua (10)
Bidens cernua var. cernua (13)
Bidens frondosa (21)
Bidens laevis (4)
Bidens ostruthioides (1)
Bidens pilosa (3)
Bidens sp. (1)
Bifrenaria inodora (1)
Bifrenaria tyrianthina (1)
Bignonia capreolata (1)
Bijlia tugwelliae (5)
Billbergia hybrid (1)
Biscutella laevigata (9)
Bismarckia nobilis (3)
Bistorta bistortoides (2)
Bituminaria bituminosa (1)
Bixa orellana (2)
Blackstonia perfoliata (1)
Blechnum bolivianum (1)
Blechnum capense (2)
Blechnum cycadifolium (1)
Blechnum difforme (1)
Blechnum gracile (2)
Blechnum mexiae (1)
Blechnum orientale (2)
Blechnum pazense (1)
Blechnum punctulatum (1)
Blechnum rosenstockii (1)
Blechnum spicant (17)
Blennosperma bakeri (4)
Blennosperma nanum (19)
Blennosperma nanum var. nanum (25)
Blennosperma nanum var. robustum (8)
Blepharidachne kingii (9)
Blepharipappus scaber (20)
Blepharipappus scaber- (2)
Blepharizonia plumosa (5)
Blepharizonia plumosa ssp. plumosa (3)
Blepharizonia plumosa ssp. viscida (11)
Bletilla ochracea (2)
Bletilla purpurea (2)
Bletilla striata (1)
Bletilla striata var. alba (1)
Bloomeria clevelandii (2)
Bloomeria crocea (35)
Bloomeria humilis (2)
Blossfeldia liliputana (3)
Blumenbachia sp. (2)
Blutaparon vermiculare (1)
Bobitis lonchophora (1)
Bocconia arborea (2)
Boehmeria cylindrica (6)
Boehmeria excelsa (1)
Boerhavia coccinea (3)
Boerhavia coulteri (2)
Boerhavia triquetra (8)
Boerhavia wrightii (7)
Bolandra californica (1)
Bolbitis heteroclita (1)
Bolbitis oligarchica (1)
Bolbitis quoyana (1)
Bolbitis subcrenata var. subcrenata (1)
Bolboschoenus maritimus (11)
Boltonia asteroides (3)
Bomarea caldasii (1)
Bonnetia sp. (5)
Borago officinalis (28)
Borassus aethiopum (2)
Borrichia arborescens (1)
Borrichia frutescens (2)
Borzicactus icosagonus (1)
Boschniakia hookeri (6)
Boschniakia rossica (4)
Boschniakia strobilacea (39)
Boschniakia strobliacea (1)
Boscia albitrunca (8)
Boscia foetida ssp. rehmanniana (5)
Bossiella californica (2)
Bothriochloa barbinodis (11)
Bothriochloa ischaemum (12)
Bothriochloa ischaemum var. songarica (8)
Bothriochloa laguroides (1)
Bothriochloa laguroides ssp. torreyana (5)
Botrychium ascendens (14)
Botrychium crenulatum (3)
Botrychium dissectum (1)
Botrychium lanceolatum (3)
Botrychium lunaria (6)
Botrychium minganense (2)
Botrychium montanum (1)
Botrychium multifidum (25)
Botrychium pinnatum (4)
Botrychium pumicola (4)
Botrychium simplex (18)
Botrychium virginianum (8)
Botryocladia pseudodichotoma (1)
Botryocladia sp. (1)
Botryocladia tenuissima (1)
Botrypus virginianus (1)
Bougainvillea sp. (1)
Bougainvillea spectabilis (14)
Bourreria sonorae (3)
Bourreria succulenta (1)
Bouteloua aristidoides (1)
Bouteloua aristidoides var. aristidoides (6)
Bouteloua barbata (3)
Bouteloua barbata var. barbata (7)
Bouteloua curtipendula (3)
Bouteloua eriopoda (3)
Bouteloua gracilis (18)
Bouteloua hirsuta (2)
Bouteloua trifida (4)
Bouvardia ovata (2)
Bouvardia ternifolia (2)
Bowlesia incana (12)
Boykinia major (14)
Boykinia occidentalis (12)
Boykinia richardsonii (2)
Boykinia rotundifolia (13)
Boykinia sp. (1)
Brachybotrys paridiformis (2)
Brachycereus nesioticus (4)
Brachychiton acerifolius (1)
Brachycome sp. (1)
Brachyelytrum septentrionale (3)
Brachyglottis compacta (4)
Brachyglottis monroi (1)
Brachyotum ledifolium (1)
Brachypodium distachyon (6)
Brachypodium sylvaticum (3)
Brachyscome iberidifolia (1)
Brahea armata (1)
Brahea decumbens (1)
Brandegea bigelovii (19)
Brasenia schreberi (6)
Brasenia shreberi (1)
Brassavola tuberculata (1)
Brassica kaber (1)
Brassica napus (7)
Brassica nigra (5)
Brassica oleracea (7)
Brassica oleracea var. botrytis (5)
Brassica oleracea var. gongylodes (1)
Brassica rapa (17)
Brassica tournefortii (32)
Brassolaeliocattleya (1)
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Braunblanquetia - Byrsonima
Braunblanquetia littoralis (1)
Breonia mayorii (1)
Brickellia arguta (2)
Brickellia arguta var. arguta (5)
Brickellia californica (23)
Brickellia coulteri (2)
Brickellia frutescens (2)
Brickellia grandiflora (4)
Brickellia greenei (5)
Brickellia incana (10)
Brickellia laciniata (2)
Brickellia multiflora (2)
Brickellia nevinii (6)
Brickellia oblongifolia (1)
Brickellia oblongifolia var. linifolia (2)
Brickellia sp. (1)
Briza maxima (35)
Briza media (4)
Briza minor (25)
Briza sp. (1)
Brocchinia reducta (9)
Brodiaea (4)
Brodiaea appendiculata (8)
Brodiaea californica (4)
Brodiaea californica var. californica (8)
Brodiaea californica var. leptandra (6)
Brodiaea coronaria (16)
Brodiaea coronaria ssp. coronaria (5)
Brodiaea coronaria ssp. rosea (6)
Brodiaea douglasii (2)
Brodiaea elegans (35)
Brodiaea elegans ssp. elegans (15)
Brodiaea filifolia (22)
Brodiaea hyacinthina (1)
Brodiaea insignis (10)
Brodiaea ixioides (1)
Brodiaea jolonensis (15)
Brodiaea kinkiensis (2)
Brodiaea minor (27)
Brodiaea nana (16)
Brodiaea orcuttii (12)
Brodiaea pallida (7)
Brodiaea peduncularis (1)
Brodiaea santarosae (3)
Brodiaea sierrae (31)
Brodiaea sp. (4)
Brodiaea sp. nov. (2)
Brodiaea stellaris (3)
Brodiaea terrestris (14)
Brodiaea terrestris ssp. kernensis (21)
Brodiaea terrestris ssp. terrestris (16)
Bromelia pinguin (1)
Bromelia serra (2)
Bromelia urbaniana (1)
Bromeliad sp. (1)
Bromus alopecuros (8)
Bromus anomalus (7)
Bromus arenarius (11)
Bromus arizonicus (7)
Bromus briziformis (7)
Bromus carinatus (12)
Bromus carinatus var. carinatus (7)
Bromus carinatus var. maritimus (8)
Bromus catharticus (14)
Bromus ciliatus (8)
Bromus diandrus (30)
Bromus grandis (8)
Bromus gussonei (1)
Bromus hordeaceaus (1)
Bromus hordeaceus (29)
Bromus inermis (12)
Bromus inermis sp. inermis (2)
Bromus inermis ssp. inermis (6)
Bromus japonicus (6)
Bromus laevipes (10)
Bromus madritensis (1)
Bromus madritensis ssp. madritensis (6)
Bromus madritensis ssp. rubens (22)
Bromus mollis (1)
Bromus orcuttianus (8)
Bromus rubens (3)
Bromus secalinus (5)
Bromus sitchensis (1)
Bromus stamineus (6)
Bromus sterilis (10)
Bromus tectorum (17)
Bromus trinii (7)
Bromus vulgaris (7)
Broughtonia sanguinea (3)
Broussonetia papyrifera (2)
Browningia hertlingiana (1)
Brugmansia sanguinea (4)
Brugmansia suaveolens (1)
Brugmansia x candida (1)
Brunfelsia americana (1)
Brunfelsia gigantea (1)
Brunfelsia lactea (1)
Brunnera macrophylla (4)
Bryonia alba (4)
Bryophyllum daigremontianum (7)
Bryopsis galapagensis (2)
Bryopsis indica var. triseriata (1)
Bryum muehlenbeckii (8)
Buchenavia tetraphylla (9)
Buchnera americana (2)
Buddleja cordobensis (2)
Buddleja davidii (8)
Buddleja utahensis (18)
Bufo boreas (1)
Buglossoides arvensis (10)
Buglossoides purpurocaerulea (3)
Bulbine latifolia (1)
Bulbophyllum blepharistes (1)
Bulbophyllum careyanum (1)
Bulbophyllum echinolabium (3)
Bulbophyllum lepidum (1)
Bulbophyllum lobbii (2)
Bulbophyllum scaphiforme (2)
Bulbophyllum sp. (2)
Bulbophyllum tricornoides (1)
Bulbostylis capillaris (22)
Bulnesia bonariensis (1)
Bulnesia retama (1)
Bunias erucago (7)
Buphthalmum salicifolium (10)
Bupleurum petraeum (3)
Bupleurum ranunculoides ssp. ranunculoides (1)
Bupleurum semicompositum (5)
Bupleurum veronense (3)
Burchellia bubalina (1)
Burkea africana (4)
Bursera biflora (1)
Bursera laxiflora (1)
Bursera macdougalii (1)
Bursera microphylla (50)
Bursera simaruba (1)
Butia capitata (5)
Butomus umbellatus (9)
Buxbaumia piperi (1)
Buxus sempervirens (6)
Byblis gigantea (6)
Byblis liniflora (9)
Byrsonima lucida (2)
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