| Bostrychia binderi Harv., 1849 |
| Bostrychia calliptera (Mont.) Mont., 1842 |
| Bostrychia montagnei Harv., 1853 |
| Bostrychia moritziana (Sond. ex Kütz.) J. Agardh, 1863 |
| Bostrychia pilulifera Montagne, 1842 |
| Bostrychia pinnata Tanaka & Chihara, 1984 |
| Bostrychia radicans (Mont.) Mont., 1842 |
| Bostrychia scorpioides (Huds.) Mont., 1842 |
| Bostrychia simpliciuscula Harvey ex J. Agardh, 1863 |
| Bostrychia tenella (J.V. Lamour.) J. Agardh, 1863 |
| Bostrychieae Falkenb., 1901 |
| Brongniartella Bory, 1822 |
| Brongniartella mucronata (Harv.) F. Schmitz, 1893 |
| Brongniartelleae |
| Bryocladia F. Schmitz, 1897 |
| Bryocladia cuspidata (J. Agardh) De Toni, 1903 |
| Bryocladia dictyurus (J. Agardh) Taylor, 1945 |
| Bryocladia thyrsigera (J. Agardh) Falkenb., 1901 |
| Bryothamnion Kütz., 1843 |
| Bryothamnion pacificum W.R. Taylor, 1945 |