| Babiana - Bidens
Babiana sp. (5)
Baccharis articulatus (3)
Baccharis brachyphylla (1)
Baccharis douglasii (21)
Baccharis emoryi (1)
Baccharis grisebachii (1)
Baccharis pilularis (69)
Baccharis plummerae ssp. glabrata (11)
Baccharis plummerae ssp. plummerae (2)
Baccharis sagittalis (3)
Baccharis salicifolia (57)
Baccharis salicifolia ssp. salicifolia (1)
Baccharis sarothroides (6)
Baccharis sergiloides (10)
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 (6)
Bahia neomexicana (1)
Bahiopsis lacinata (2)
Bahiopsis laciniata (5)
Bahiopsis parishii (13)
Bahiopsis reticulata (7)
Baileya multiradiata (30)
Baileya multiradiata var. multiradiata (13)
Baileya pauciradiata (30)
Baileya pleniradiata (29)
Ballota nigra var. uncinata (7)
Ballota rupestris (2)
Balsamorhiza careyana (8)
Balsamorhiza deltodea (3)
Balsamorhiza deltoidea (34)
Balsamorhiza hirsuta (1)
Balsamorhiza hookeri (24)
Balsamorhiza hookeri var. lanata (10)
Balsamorhiza incana (2)
Balsamorhiza macrolepis (4)
Balsamorhiza macrolepis var. macrolepis (15)
Balsamorhiza macrolepis var. platylepis (14)
Balsamorhiza sagittata (64)
Balsamorhiza sericea (11)
Balsamorhiza sericea-x-deltoidea (2)
Bambusa sp. (2)
Bambusa vulgaris (2)
Bambusa vulgaris 'Aureo-Variegata' (1)
Banisteriopsis caapi (2)
Banisteriopsis nummifera (27)
Banksia aemula (1)
Banksia blechnifolia (1)
Banksia integrifolia (1)
Banksia marginata (1)
Banksia sp. (1)
Baptisia australis (2)
Baptisia bracteata var. leucophaea (3)
Barbarea orthoceras (25)
Barbarea sp. (3)
Barbarea verna (3)
Barbarea vulgaris (12)
Barkeria lindleyana (1)
Barkeria skinneri (1)
Barleria 'Purple Dazzler' (2)
Barleria cristata (1)
Barleria repens (2)
Barlia robertiana (8)
Bartlettina sordida (5)
Bartoniella equatoriana (1)
Bartramia ithyphylla (1)
Bartramia stricta (1)
Bartsia alpina (4)
Bassia hyssopifolia (15)
Batis maritima (8)
Battus philenor (1)
Bauhinia blakeana (3)
Bauhinia forficata (1)
Bauhinia monandra (1)
Bauhinia petersiana (4)
Bauhinia purpurea (1)
Bauhinia variegata var. Candida (1)
Bauhinia variegata var. Variegata (1)
Bauhinia ×blakeana (1)
Beaumontia grandiflora (5)
Bebbia atriplicifolia (4)
Bebbia juncea (18)
Bebbia juncea var. aspera (23)
Beckmannia syzigachne (11)
Begonia 'Lucerna' (1)
Begonia brevirimosa ssp. exotica (1)
Begonia cucullata (2)
Begonia cv. Silver Jewel (1)
Begonia minor (1)
Begonia rex (6)
Begonia semperflorens-cultorum (1)
Beilschmiedia costaricensis (1)
Beilschmiedia zapoteoides (1)
Belamcanda chinensis (1)
Bellardia trixago (32)
Bellis annua (7)
Bellis perennis (35)
Beloperone guttata (1)
Belvisia spicata (9)
Bencomia sphaerocarpa (3)
Benitoa occidentalis (16)
Bensoniella oregana (1)
Bensoniella oregona (14)
Berberis aquifolium (2)
Berberis aquifolium var. aquifolium (5)
Berberis aquifolium var. dictyota (15)
Berberis aquifolium var. repens (16)
Berberis darwinii (1)
Berberis empetrifolia (1)
Berberis fremontii (30)
Berberis gracilis (1)
Berberis grayi (1)
Berberis harrisoniana (1)
Berberis higginsae (1)
Berberis higginsiae (5)
Berberis koreana (1)
Berberis lycoides (1)
Berberis nervosa (11)
Berberis nevinii (27)
Berberis pinnata (5)
Berberis pinnata ssp. insularis (6)
Berberis pinnata ssp. pinnata (3)
Berberis piperiana (1)
Berberis pumila (1)
Berberis repens (24)
Berberis sanguinea (1)
Berberis sargentiana (1)
Berberis sp. (3)
Berberis thunbergii (6)
Berberis triacanthophora (1)
Berberis vulgaris (9)
Berberis wallichiana (3)
Berberis wilcoxii (1)
Bergenia cordifolia (4)
Bergenia sp. (1)
Bergerocactus emoryi (41)
Bergia texana (1)
Berkheya purpurea (6)
Berlanderia texana (2)
Bernardia myricifolia (9)
Berteroa incana (7)
Bertholletia excelsa (1)
Berula erecta (5)
Beschorneria albiflora (1)
Besseya alpina (1)
Besseya wyomingensis (1)
Beta maritima (8)
Beta vulgaris (7)
Beta vulgaris ssp. cicla (1)
Beta vulgaris var. maritima (5)
Betonica alopecuros (4)
Betonica serotina (5)
Betula alleghaniensis (7)
Betula alleghaniensis var. alleghaniensis (1)
Betula davurica (2)
Betula fontinalis (1)
Betula lenta (1)
Betula litwinowi (1)
Betula nana (5)
Betula nana ssp. exilis (1)
Betula nigra (5)
Betula occidentalis (34)
Betula papyrifera (25)
Betula pendula (2)
Betula pendula var. pendula (12)
Betula platyphylla (31)
Betula populifolia (3)
Betula pubescens (1)
Betula pumila (8)
Betula pumila var. glandulifera (7)
Betula sp. (4)
Betula utilis (11)
Biarum davisii (1)
Biarum tenuifolium (5)
Bidens aequisquama (2)
Bidens alba var. radiata (2)
Bidens cernua (11)
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Bidens - Brassica
Bidens cernua var. cernua (13)
Bidens frondosa (32)
Bidens hawaiensis (6)
Bidens laevis (15)
Bidens ostruthioides (2)
Bidens pilosa (11)
Bidens sp. (1)
Bifrenaria inodora (1)
Bifrenaria tyrianthina (1)
Bignonia capreolata (1)
Bijlia tugwelliae (5)
Billbergia hybrid (1)
Billbergia nutans (1)
Biscutella laevigata (9)
Bismarckia nobilis (3)
Bistorta bistortoides (5)
Bituminaria bituminosa (1)
Bixa orellana (3)
Blackstonia perfoliata (1)
Blechnum blechnoides (10)
Blechnum bolivianum (1)
Blechnum capense (2)
Blechnum caudatum (1)
Blechnum chilense (3)
Blechnum cycadifolium (1)
Blechnum difforme (1)
Blechnum discolor (4)
Blechnum gracile (2)
Blechnum mexiae (1)
Blechnum orientale (7)
Blechnum pacificum (14)
Blechnum patersonii (18)
Blechnum pazense (1)
Blechnum penna-marina (4)
Blechnum punctulatum (1)
Blechnum raiateense (16)
Blechnum rosenstockii (1)
Blechnum spicant (22)
Blechnum vulcanicum (9)
Blennosperma bakeri (21)
Blennosperma nana (1)
Blennosperma nanum (20)
Blennosperma nanum var. nanum (28)
Blennosperma nanum var. robustum (11)
Blepharidachne kingii (9)
Blepharipappus scaber (26)
Blepharizonia laxa (5)
Blepharizonia plumosa (5)
Blepharizonia plumosa ssp. plumosa (3)
Blepharizonia plumosa ssp. viscida (14)
Bletilla ochracea (2)
Bletilla purpurea (2)
Bletilla striata (1)
Bletilla striata var. alba (1)
Blindia acuta (1)
Bloomeria clevelandii (8)
Bloomeria crocea (53)
Bloomeria crocea var. crocea (5)
Bloomeria crocea var. montana (1)
Bloomeria humilis (8)
Blossfeldia liliputana (3)
Blumea sinuata (2)
Blumenbachia sp. (2)
Blutaparon vermiculare (1)
Bocconia arborea (2)
Boechera arcuata (2)
Boechera hirshbergiae (2)
Boechera laevigata (2)
Boechera microphylla (3)
Boechera peirsonii (5)
Boechera pulchra (2)
Boechera repanda (4)
Boechera rigidissima (5)
Boechera subpinnatifida (3)
Boechera yorkii (9)
Boehmeria cylindrica (7)
Boehmeria excelsa (1)
Boergesenia forbesii (2)
Boerhavia coccinea (6)
Boerhavia coulteri (2)
Boerhavia coulteri var. palmeri (2)
Boerhavia triquetra (8)
Boerhavia triquetra var. intermedia (2)
Boerhavia wrightii (18)
Bolandra californica (17)
Bolbitis heteroclita (1)
Bolbitis lonchophora (7)
Bolbitis oligarchica (1)
Bolbitis quoyana (1)
Bolbitis subcrenata var. subcrenata (1)
Bolboschoenus maritimus (12)
Bolboschoenus maritimus ssp. maritimus (5)
Bolboschoenus maritimus ssp. paludosus (4)
Boltonia asteroides (3)
Bomarea caldasii (1)
Bomarea dulcis (2)
Bonnetia sp. (5)
Boodlea composita (2)
Boophone disticha (1)
Boophone haemanthoides (1)
Borago officinalis (33)
Borassus aethiopum (2)
Borrichia arborescens (1)
Borrichia frutescens (2)
Borzicactus fieldianus (1)
Borzicactus hystrix (1)
Borzicactus icosagonus (1)
Boschniakia hookeri (6)
Boschniakia rossica (4)
Boschniakia strobilacea (44)
Boscia albitrunca (8)
Boscia foetida ssp. rehmanniana (5)
Bossiella californica (2)
Bostrychia moritziana (2)
Bostrychia moritziana cf (15)
Bothriochloa barbinodis (15)
Bothriochloa ischaemum (12)
Bothriochloa ischaemum var. songarica (8)
Bothriochloa laguroides (1)
Bothriochloa laguroides ssp. torreyana (5)
Botrychium ascendens (14)
Botrychium campestre (2)
Botrychium crenulatum (27)
Botrychium dissectum (1)
Botrychium lanceolatum (4)
Botrychium lunaria (9)
Botrychium minganense (19)
Botrychium montanum (1)
Botrychium multifidum (34)
Botrychium paradoxum (13)
Botrychium pedunculosum (19)
Botrychium pinnatum (6)
Botrychium pumicola (26)
Botrychium simplex (28)
Botrychium simplex var. compositum (8)
Botrychium virginianum (19)
Botrychium xwatertonense (2)
Botryocladia pseudodichotoma (1)
Botryocladia skottsbergii (6)
Botryocladia sp. (1)
Botryocladia tenuissima (1)
Botrypus virginianus (5)
Bougainvillea sp. (1)
Bougainvillea spectabilis (18)
Bougainvillea x buttiana (4)
Bourreria sonorae (3)
Bourreria succulenta (1)
Bouteloua aristidoides (1)
Bouteloua aristidoides var. aristidoides (6)
Bouteloua barbata (4)
Bouteloua barbata var. barbata (10)
Bouteloua curtipendula (4)
Bouteloua eriopoda (3)
Bouteloua gracilis (19)
Bouteloua hirsuta (2)
Bouteloua trifida (9)
Bouvardia ovata (2)
Bouvardia ternifolia (3)
Bowlesia incana (18)
Boykinia major (22)
Boykinia occidentalis (17)
Boykinia richardsonii (2)
Boykinia rotundifolia (20)
Boykinia sp. (1)
Brachiaria mutica (3)
Brachybotrys paridiformis (2)
Brachycereus nesioticus (11)
Brachychiton acerifolius (1)
Brachycome sp. (1)
Brachyelytrum septentrionale (3)
Brachyglottis compacta (4)
Brachyglottis monroi (1)
Brachyotum ledifolium (1)
Brachypodium distachyon (7)
Brachypodium sylvaticum (3)
Brachyscome iberidifolia (1)
Brahea armata (7)
Brahea brandegeei (1)
Brahea decumbens (1)
Brahea dulcis (1)
Brandegea bigelovii (22)
Brasenia schreberi (7)
Brassavola tuberculata (1)
Brassica chinensis var. chinensis (1)
Brassica kaber (1)
Brassica napus (11)
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Brassica - Byrsonima
Brassica nigra (30)
Brassica oleracea (13)
Brassica oleracea var. acephala (3)
Brassica oleracea var. botrytis (6)
Brassica oleracea var. gemmifera (6)
Brassica oleracea var. gongylodes (1)
Brassica rapa (24)
Brassica tournefortii (42)
Brassolaeliocattleya (1)
Brassolaeliocattleya sp. (2)
Braunblanquetia littoralis (1)
Breonia mayorii (1)
Breynia disticha var. roseo-picta (1)
Brickellia arguta (2)
Brickellia arguta var. arguta (5)
Brickellia atractyloides var. arguta (13)
Brickellia atractyloides var. atractyloides (6)
Brickellia californica (33)
Brickellia coulteri (3)
Brickellia desertorum (4)
Brickellia frutescens (2)
Brickellia grandiflora (9)
Brickellia greenei (5)
Brickellia incana (19)
Brickellia laciniata (2)
Brickellia longifolia (3)
Brickellia longifolia var. multiflora (5)
Brickellia microphylla var. microphylla (10)
Brickellia multiflora (2)
Brickellia nevinii (14)
Brickellia oblongifolia (1)
Brickellia oblongifolia var. linifolia (5)
Brickellia sp. (1)
Briopsida sp. (1)
Briza major (2)
Briza maxima (42)
Briza media (4)
Briza minor (33)
Briza sp. (1)
Brocchinia reducta (9)
Brodiaea appendiculata (10)
Brodiaea californica (4)
Brodiaea californica var. californica (8)
Brodiaea californica var. leptandra (8)
Brodiaea coronaria (16)
Brodiaea coronaria ssp. coronaria (11)
Brodiaea coronaria ssp. rosea (6)
Brodiaea douglasii (2)
Brodiaea elegans (45)
Brodiaea elegans ssp. elegans (39)
Brodiaea filifolia (23)
Brodiaea insignis (10)
Brodiaea ixioides (1)
Brodiaea jolonensis (18)
Brodiaea kinkiensis (11)
Brodiaea matsonii (8)
Brodiaea minor (30)
Brodiaea nana (17)
Brodiaea orcuttii (16)
Brodiaea pallida (7)
Brodiaea peduncularis (1)
Brodiaea pulchella (1)
Brodiaea purdyi (3)
Brodiaea santarosae (3)
Brodiaea sierrae (31)
Brodiaea sp. (8)
Brodiaea sp. nov. (2)
Brodiaea stellaris (3)
Brodiaea terrestris (15)
Brodiaea terrestris ssp. kernensis (35)
Brodiaea terrestris ssp. terrestris (27)
Bromelia pinguin (1)
Bromelia serra (2)
Bromelia urbaniana (1)
Bromeliad sp. (1)
Bromus alopecuros (9)
Bromus anomalus (7)
Bromus arenarius (12)
Bromus arizonicus (7)
Bromus briziformis (7)
Bromus carinatus (15)
Bromus carinatus var. carinatus (7)
Bromus carinatus var. maritimus (8)
Bromus catharticus (16)
Bromus ciliatus (13)
Bromus diandrus (44)
Bromus dianthus (2)
Bromus grandis (8)
Bromus gussonei (1)
Bromus hordeaceus (40)
Bromus inermis (12)
Bromus inermis ssp. inermis (9)
Bromus japonicus (6)
Bromus kalmii (3)
Bromus laevipes (11)
Bromus latiglumis (3)
Bromus madritensis (1)
Bromus madritensis ssp. madritensis (6)
Bromus madritensis ssp. rubens (27)
Bromus mollis (1)
Bromus orcuttianus (8)
Bromus pubescens (2)
Bromus racemosus (3)
Bromus rubens (9)
Bromus secalinus (5)
Bromus sitchensis (1)
Bromus stamineus (6)
Bromus sterilis (10)
Bromus tectorum (22)
Bromus trinii (7)
Bromus vulgaris (7)
Broughtonia sanguinea (3)
Broussonetia papyrifera (3)
Browningia chlorocarpa (1)
Browningia hertingiana (1)
Browningia hertlingiana (1)
Brugmansia sanguinea (5)
Brugmansia suaveolens (3)
Brugmansia x candida (1)
Brunfelsia americana (2)
Brunfelsia australis (1)
Brunfelsia gigantea (1)
Brunfelsia lactea (1)
Brunnera macrophylla (4)
Brunsvigia orientalis (1)
Bryolawtonia vancouveriensis (1)
Bryonia alba (4)
Bryophyllum daigremontianum (7)
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 (1)
Bryum muehlenbeckii (8)
Buchenavia tetraphylla (9)
Buchnera americana (2)
Buckiella undulata (2)
Buddleja cordobensis (2)
Buddleja davidii (13)
Buddleja laricata (1)
Buddleja utahensis (18)
Buglossoides arvensis (11)
Buglossoides purpurocaerulea (3)
Bulbine frutescens (1)
Bulbine latifolia (2)
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 scaphiforme (2)
Bulbophyllum sp. (2)
Bulbophyllum tahitense (3)
Bulbophyllum tricornoides (1)
Bulbostylis capillaris (23)
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 filicfolia (3)
Bursera graveolens (2)
Bursera laxiflora (1)
Bursera macdougalii (1)
Bursera microphylla (59)
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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