| Brachyelytrum P. Beauv., 1812 |
| Brachyelytrum pringlei Vasey ex Beal, 1896 |
| Brachypodieae Harz, 1880 |
| Brachypodium P. Beauv., 1812 |
| Brachypodium distachyon (L.) P. Beauv., 1812 |
| Brachypodium festucoides Link, 1821 |
| Brachypodium latifolium E. Fourn., 1886 |
| Brachypodium mexicanum (Roem. & Schult.) Link, 1827 |
| Brachypodium mexicanum var. inerme Beetle, 1981 |
| Brachypodium mexicanum var. mexicanum (Roem. & Schult.) Link, 1827 |
| Brachypodium peruvianum Roem. & Schult. ex Kunth, 1833 |
| Brachypodium pringlei Scribn. ex Beal, 1896 |
| Brachypodium subulatum E. Fourn., 1886 |
| Brachystylus Dulac, 1867 |
| Brachystylus cristatus (L.) Dulac, 1867 |
| Braconotia Godr., 1844 |
| Braconotia glauca (Roem. & Schult.) Godr., 1844 |
| Braconotia officinarum Godr., 1844 |
| Brandtia Kunth, 1831 |
| Brevipodium Á. Löve & D. Löve, 1961 |