| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| BROR4 | Brassica orientalis L. | Conringia orientalis | Brassicaceae
|
| BRPA13 | Brassica parachinensis L. H. Bailey | false pak choi | Brassicaceae
|
| BRPE4 | Brassica pe-tsai L. H. Bailey | Brassica rapa var. amplexicaulis | Brassicaceae
|
| BRPE81 | Brassica pekinensis (Lour.) Rupr. | Brassica rapa var. amplexicaulis | Brassicaceae
|
| BRPE3 | Brassica perviridis (L. H. Bailey) L. H. Bailey | tender green | Brassicaceae
|
| BRRAC | Brassica rapa L. ssp. campestris (L.) Clapham | Brassica rapa var. rapa | Brassicaceae
|
| BRRAO | Brassica rapa L. ssp. olifera DC. | Brassica rapa var. rapa | Brassicaceae
|
| BRRAR2 | Brassica rapa L. ssp. rapa | rape mustard | Brassicaceae
|
| BRRAR3 | Brassica rapa L. ssp. rapifera Metzger | Brassica rapa ssp. rapa | Brassicaceae
|
| BRRAS2 | Brassica rapa L. ssp. sarson (Prain) Denford | brown sarson | Brassicaceae
|
| BRRAS8 | Brassica rapa L. ssp. sylvestris Janchen | Brassica rapa var. rapa | Brassicaceae
|
| BRRAA | Brassica rapa L. var. amplexicaulis Tanaka & Ono | field mustard | Brassicaceae
|
| BRRAC2 | Brassica rapa L. var. campestris (L.) W.D.J. Koch | Brassica rapa var. rapa | Brassicaceae
|
| BRRAD | Brassica rapa L. var. dichotoma (Roxb. ex Fleming) Kitam. | toria | Brassicaceae
|
| BRRAO2 | Brassica rapa L. var. oleifera DC. | Brassica rapa var. silvestris | Brassicaceae
|
| BRRAP | Brassica rapa L. var. perviridis L. H. Bailey | Brassica perviridis | Brassicaceae
|
| BRRAR | Brassica rapa L. var. rapa | field mustard | Brassicaceae
|
| BRRAS4 | Brassica rapa L. var. septiceps L. H. Bailey | Brassica septiceps | Brassicaceae
|
| BRRAS3 | Brassica rapa L. var. silvestris (Lam.) Briggs | colza | Brassicaceae
|
| BRRAT | Brassica rapa L. var. trilocularis (Roxb.) Kitam. | yellow sarson | Brassicaceae
|
| BRRA | Brassica rapa L. | field mustard | Brassicaceae
|
| BRRU3 | Brassica rupestris Raf. | mustard | Brassicaceae
|
| BRRU4 | Brassica ruvo L. H. Bailey | ruvo kale | Brassicaceae
|
| BRSE5 | Brassica septiceps (L. H. Bailey) L. H. Bailey | seventop turnip | Brassicaceae
|
| BRTOS | Brassica tournefortii Gouan var. sisymbrioides (Fisch.) Grossh. | Brassica tournefortii | Brassicaceae
|
| BRTO | Brassica tournefortii Gouan | Asian mustard | Brassicaceae
|
| BRTR3 | Brassica trilocularis (Roxb.) Hook. f. & Thomson | Brassica rapa var. trilocularis | Brassicaceae
|
| BRWI2 | Brassica willdenowii Boiss. | Brassica juncea | Brassicaceae
|
| BRASS2 | Brassica L. | mustard | Brassicaceae
|
| BRAN5 | Brauneria angustifolia (DC.) Heller | Echinacea angustifolia var. angustifolia | Asteraceae
|
| BRPA11 | Brauneria pallida (Nutt.) Britt. | Echinacea pallida | Asteraceae
|
| BRPU15 | Brauneria purpurea (L.) Britt. | Echinacea purpurea | Asteraceae
|
| BRCA24 | Braunia californica Lesq. | Pseudobraunia californica | Hedwigiaceae
|
| BRSE6 | Braunia secunda (Hook.) Schimp. in B.S.G. | braunia moss | Hedwigiaceae
|
| BRAUN | Braunia Schimp. in B.S.G. | braunia moss | Hedwigiaceae
|
| BRMI8 | Braxilia minor (L.) House | Pyrola minor | Pyrolaceae
|
| BRALA | Braya alpina Sternb. & Hoppe var. americana (Hook.) S. Wats. | Braya glabella ssp. glabella | Brassicaceae
|
| BRALG | Braya alpina Sternb. & Hoppe var. glabella (Richards.) S. Wats. | Braya glabella ssp. glabella | Brassicaceae
|
| BRAM5 | Braya americana (Hook.) Fern. | Braya glabella ssp. glabella | Brassicaceae
|
| BRAR10 | Braya arctica Hook. | Braya glabella ssp. glabella | Brassicaceae
|
| BRBA | Braya bartlettiana Jordal | Braya glabella ssp. glabella | Brassicaceae
|
| BRGLG | Braya glabella Richards. ssp. glabella | smooth northern-rockcress | Brassicaceae
|
| BRGLP | Braya glabella Richards. ssp. purpurascens (R. Br.) Cody | smooth northern-rockcress | Brassicaceae
|
| BRGL | Braya glabella Richards. | smooth northern-rockcress | Brassicaceae
|
| BRHE3 | Braya henryae Raup | Braya glabella ssp. glabella | Brassicaceae
|
| BRHUA3 | Braya humilis (C.A. Mey.) B.L. Robins. ssp. abbei B�cher | Braya humilis | Brassicaceae
|
| BRHUA | Braya humilis (C.A. Mey.) B.L. Robins. ssp. arctica (B�cher) Rollins | Braya humilis | Brassicaceae
|
| BRHUR | Braya humilis (C.A. Mey.) B.L. Robins. ssp. richardsonii (Rydb.) Hult�n | Braya humilis | Brassicaceae
|
| BRHUV | Braya humilis (C.A. Mey.) B.L. Robins. ssp. ventosa Rollins | Braya humilis | Brassicaceae
|
| BRHUA4 | Braya humilis (C.A. Mey.) B.L. Robins. var. abbei (B�cher) Boivin | Braya humilis | Brassicaceae
|
| BRHUA2 | Braya humilis (C.A. Mey.) B.L. Robins. var. americana (Hook.) Boivin | Braya glabella ssp. glabella | Brassicaceae
|
| BRHUA5 | Braya humilis (C.A. Mey.) B.L. Robins. var. arctica (B�cher) Boivin | Braya humilis | Brassicaceae
|
| BRHUG | Braya humilis (C.A. Mey.) B.L. Robins. var. glabella (Richards.) Boivin | Braya glabella ssp. glabella | Brassicaceae
|
| BRHUI | Braya humilis (C.A. Mey.) B.L. Robins. var. interior (B�cher) Boivin | Braya humilis | Brassicaceae
|
| BRHUL | Braya humilis (C.A. Mey.) B.L. Robins. var. laurentiana (B�cher) Boivin | Braya humilis | Brassicaceae
|
| BRHUL2 | Braya humilis (C.A. Mey.) B.L. Robins. var. leiocarpa (Trautv.) Fern. | Braya humilis | Brassicaceae
|
| BRHUN | Braya humilis (C.A. Mey.) B.L. Robins. var. novae-angliae (Rydb.) Fern. | Braya humilis | Brassicaceae
|
| BRHUV2 | Braya humilis (C.A. Mey.) B.L. Robins. var. ventosa (Rollins) Boivin | Braya humilis | Brassicaceae
|
| BRHU | Braya humilis (C.A. Mey.) B.L. Robins. | low northern-rockcress | Brassicaceae
|
| BRIN6 | Braya intermedia Sorensen | Braya humilis | Brassicaceae
|
| BRNOI | Braya novae-angliae (Rydb.) Sorensen var. interior B�cher | Braya humilis | Brassicaceae
|
| BRNOL | Braya novae-angliae (Rydb.) Sorensen var. laurentiana B�cher | Braya humilis | Brassicaceae
|
| BRNO2 | Braya novae-angliae (Rydb.) Sorensen | Braya humilis | Brassicaceae
|
| BRPU | Braya purpurascens (R. Br.) Bunge | Braya glabella ssp. purpurascens | Brassicaceae
|
| BRRI3 | Braya richardsonii (Rydb.) Fern. | Braya humilis | Brassicaceae
|
| BRAYA | Braya Sternb. & Hoppe | northern-rockcress | Brassicaceae
|
| BRDE6 | Brayulinea densa (Humb. & Bonpl. ex Willd.) Small | Guilleminea densa var. densa | Amaranthaceae
|
| BRAR | Brazoria arenaria Lundell | sand brazos-mint | Lamiaceae
|
| BRPU7 | Brazoria pulcherrima Lundell | Brazoria truncata var. pulcherrima | Lamiaceae
|
| BRSC2 | Brazoria scutellarioides Engelm. & Gray | Warnockia scutellarioides | Lamiaceae
|
| BRTRP | Brazoria truncata (Benth.) Engelm. & Gray var. pulcherrima (Lundell) M.W. Turner | Centerville brazos-mint | Lamiaceae
|
| BRTRT2 | Brazoria truncata (Benth.) Engelm. & Gray var. truncata | rattlesnake flower | Lamiaceae
|
| BRTR | Brazoria truncata (Benth.) Engelm. & Gray | rattlesnake flower | Lamiaceae
|
| BRAZO | Brazoria Engelm. & Gray | brazos-mint | Lamiaceae
|
| BRAR16 | Breidleria arcuata (Mol.) Loeske | Hypnum lindbergii | Hypnaceae
|
| BRPR2 | Breidleria pratensis (Rabenh.) Loeske | Hypnum pratense | Hypnaceae
|
| BROR5 | Breitungia oregana (Nutt.) A.& D. L�ve | Sedum oreganum ssp. oreganum | Crassulaceae
|
| BRID2 | Brevoortia ida-maia Wood | Dichelostemma ida-maia | Liliaceae
|
| BRVE5 | Brevoortia venusta Greene | Dichelostemma venustum | Liliaceae
|
| BRAQ2 | Breweria aquatica (Walt.) Gray | Stylisma aquatica | Convolvulaceae
|
| BRHU3 | Breweria humistrata (Walt.) Gray | Stylisma humistrata | Convolvulaceae
|
| BRMI7 | Breweria michauxii Fern. & Schub. | Stylisma aquatica | Convolvulaceae
|
| BROV2 | Breweria ovalifolia (Torr.) Gray | Bonamia ovalifolia | Convolvulaceae
|
| BRPIC | Breweria pickeringii (Torr. ex M.A. Curtis) Gray var. caesariensis Fern. & Schub. | Stylisma pickeringii var. pickeringii | Convolvulaceae
|
| BRPIP | Breweria pickeringii (Torr. ex M.A. Curtis) Gray var. pattersonii Fern. & Schub. | Stylisma pickeringii var. pattersonii | Convolvulaceae
|
| BRPI5 | Breweria pickeringii (Torr. ex M.A. Curtis) Gray | Stylisma pickeringii var. pickeringii | Convolvulaceae
|
| BRVI3 | Breweria villosa Nash | Stylisma villosa | Convolvulaceae
|
| BRDI8 | Breynia disticha J.R. & G. Forst. | snowbush | Euphorbiaceae
|
| BRNI2 | Breynia nivosa (Bull) Small | Breynia disticha | Euphorbiaceae
|
| BREYN | Breynia J.R. & G. Forst. | breynia | Euphorbiaceae
|
| BRAMA | Brickellia amplexicaulis B.L. Robins. var. amplexicaulis | earleaf brickellbush | Asteraceae
|
| BRAML | Brickellia amplexicaulis B.L. Robins. var. lanceolata (Gray) B.L. Robins. | earleaf brickellbush | Asteraceae
|
| BRAM3 | Brickellia amplexicaulis B.L. Robins. | earleaf brickellbush | Asteraceae
|
| BRARA | Brickellia arguta B.L. Robins. var. arguta | pungent brickellbush | Asteraceae
|
| BRARO | Brickellia arguta B.L. Robins. var. odontolepis B.L. Robins. | pungent brickellbush | Asteraceae
|
| BRAR2 | Brickellia arguta B.L. Robins. | pungent brickellbush | Asteraceae
|
| BRATA | Brickellia atractyloides Gray var. arguta (B.L. Robins.) Jepson | Brickellia arguta var. arguta | Asteraceae
|
| BRAT | Brickellia atractyloides Gray | spearleaf brickellbush | Asteraceae
|
| BRBA2 | Brickellia baccharidea Gray | resinleaf brickellbush | Asteraceae
|
| BRBE | Brickellia betonicifolia Gray | betonyleaf brickellbush | Asteraceae
|
| BRBRB | Brickellia brachyphylla (Gray) Gray var. brachyphylla | plumed brickellbush | Asteraceae
|