| Bouteloua americana (L.) Scribn., 1891 |
| Bouteloua annua Swallen, 1935 |
| Bouteloua arenosa Vasey, 1890 |
| Bouteloua aristidoides (Kunth) Griseb., 1864 |
| Bouteloua aristidoides var. aristidoides (Kunth) Griseb., 1864 |
| Bouteloua aristidoides var. arizonica M.E. Jones, 1912 |
| Bouteloua aschenborniana Griseb. ex E. Fourn., 1886 |
| Bouteloua barbata Lag., 1805 |
| Bouteloua barbata var. arenosa (Vasey) Beetle, 1983 |
| Bouteloua barbata var. barbata Lag., 1805 |
| Bouteloua barbata var. major (Vasey) Govaerts, 1996 |
| Bouteloua barbata var. rothrockii (Vasey) Gould, 1980 |
| Bouteloua barbata var. sonorae (Griffiths) Gould, 1980 |
| Bouteloua brachyathera Phil., 1891 |
| Bouteloua bracteata (McVaugh) Columbus, 1999 |
| Bouteloua brasiliensis Ekman, 1911 |
| Bouteloua brevifolia Buckley, 1862 |
| Bouteloua breviseta Vasey, 1890 |
| Bouteloua bromoides Lag., 1816 |
| Bouteloua bromoides var. radicosa (E. Fourn.) Vasey ex L.H. Dewey, 1894 |