| Muehlenbergia macroura (Kunth) Hitchc., 1935 |
| Muehlenbergia pubescens (Kunth) Hitchc., 1935 |
| Muehlenbergia ramulosa (Kunth) Swallen, 1947 |
| Muehlenbergia robusta (E. Fourn.) Hitchc., 1935 |
| Muehlenbergia utilis (Torr.) Hitchc., 1933 |
| Muhlenbergia Schreb., 1789 |
| Muhlenbergia (Clomena) (P. Beauv.) Hack., 1887 |
| Muhlenbergia abata I.M. Johnst., 1943 |
| Muhlenbergia acuminata Vasey, 1886 |
| Muhlenbergia acutifolia E. Fourn., 1885 |
| Muhlenbergia adspersa Trin., 1841 |
| Muhlenbergia affinis Trin., 1841 |
| Muhlenbergia aguascalientensis Y. Herrera & De la Cerda, 1995 |
| Muhlenbergia alamosae Vasey, 1891 |
| Muhlenbergia alopecuroides (Griseb.) P.M. Peterson & Columbus, 2008 |
| Muhlenbergia alpestris (Kunth) Trin., 1824 |
| Muhlenbergia alta Hitchc., 1935 |
| Muhlenbergia angustifolia Swallen, 1935 |
| Muhlenbergia annua (Vasey) Swallen, 1947 |
| Muhlenbergia anomala E. Fourn., 1886 |