| Brachyphragma circumdatum (Greene) Rydb., 1929 |
| Bradburya Raf., 1817 |
| Bradburya biflora (Mart. ex Benth.) Kuntze, 1891 |
| Bradburya decumbens (Mart.) Kuntze, 1891 |
| Bradburya dubia (Kunth) Kuntze, 1891 |
| Bradburya pascuorum (Mart. ex Benth.) Kuntze, 1891 |
| Bradburya plumieri (Turpin ex Pers.) Kuntze, 1891 |
| Bradburya pubescens (Benth.) Kuntze, 1891 |
| Bradburya sagittata (Humb. & Bonpl. ex Willd.) Rose, 1903 |
| Bradburya schiedeana (Schltdl.) Rose, 1903 |
| Bradburya schottii Millsp., 1898 |
| Bradburya unifoliata Rose, 1903 |
| Bradburya virginiana (L.) Kuntze, 1891 |
| Brasilettia (DC.) Kuntze, 1891 |
| Brasilettia glabra Britton & Rose, 1930 |
| Brasilettia pringlei Britton & Rose, 1930 |
| Brasilettia violacea (Mill.) Britton & Rose, 1930 |
| Breviflorae Krukoff, 1974 |
| Brittonamra Kuntze, 1891 |
| Brittonamra caribaea (Jacq.) Kuntze, 1891 |