| 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 |
| Brevivalvula Döll, 1877 |
| Briza L., 1753 |
| Briza (Chascolytrum) (Desv.) Parodi, 1920 |
| Briza caroliniana Lam., 1785 |
| Briza eragrostis L., 1753 |
| Briza gracilis G. Nicholson, 1884 |
| Briza microstachya (J. Presl) Steud., 1854 |
| Briza minor L., 1753 |
| Briza monandra (Hack.) Pilg., 1929 |