| 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 |
| Bouteloua burkei Scribn. ex S. Watson, 1883 |
| Bouteloua chasei Swallen, 1943 |
| Bouteloua chihuahuana (M.C. Johnst.) Columbus, 1996 |
| Bouteloua chondrosioides (Kunth) Benth. ex S. Watson, 1883 |
| Bouteloua ciliata Griseb., 1879 |
| Bouteloua curtipendula (Michx.) Torr., 1853 |
| Bouteloua curtipendula f. vivipara Beetle, 1981 |
| Bouteloua curtipendula var. aristosa A. Gray, 1856 |
| Bouteloua curtipendula var. caespitosa Gould & Kapadia, 1964 |
| Bouteloua curtipendula var. curtipendula (Michx.) Torr., 1853 |