| Borrichia argentea (Kunth) DC., 1836 |
| Borrichia frutescens (L.) DC., 1836 |
| Bowmania Gardner, 1843 |
| Brachyris Nutt., 1818 |
| Brachyris californica DC., 1836 |
| Brachyris dracunculoides DC., 1836 |
| Brachyris dracunculoides var. angustissima DC., 1836 |
| Brachyris microcephala DC., 1836 |
| Brachyris ramosissima Hook., 1837 |
| Brachyscome Cass., 1816 |
| Brachyscome mexicana Klatt, 1883 |
| Brachyscome xanthocomoides Less., 1832 |
| Brachyscominae G.L. Nesom, 1994 |
| Brauneria Neck. ex Porter & Britton, 1894 |
| Brickellia Elliott, 1823 |
| Brickellia adenocarpa B.L. Rob., 1917 |
| Brickellia adenocarpa var. glandulipes B.L. Rob., 1917 |
| Brickellia adenolepis (B.L. Rob.) Shinners, 1971 |
| Brickellia amblyolepis B.L. Rob., 1901 |
| Brickellia amplexicaulis B.L. Rob., 1911 |