| Dichanthelium acuminatum var. villosum (A. Gray) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum var. wrightianum (Scribn.) Gould & C.A. Clark, 1979 |
| Dichanthelium albomaculatum (Scribn.) Gould, 1980 |
| Dichanthelium angustifolium (Elliott) Gould, 1974 |
| Dichanthelium columbianum (Scribn.) Freckmann, 1978 |
| Dichanthelium commonsianum (Ashe) Freckmann, 1978 |
| Dichanthelium commonsianum var. euchlamydeum (Shinners) Freckmann, 1978 |
| Dichanthelium commutatum (Schult.) Gould, 1974 |
| Dichanthelium commutatum subsp. ashei (T.G. Pearson ex Ashe) Freckmann & Lelong, 2002 |
| Dichanthelium commutatum subsp. equilatrale (Scribn.) Freckmann & Lelong, 2002 |
| Dichanthelium commutatum subsp. joori (Vasey) Freckmann & Lelong, 2002 |
| Dichanthelium commutatum var. ashei (T.G. Pearson ex Ashe) Mohlenbr., 1985 |
| Dichanthelium consanguineum (Kunth) Gould & C.A. Clark, 1978 |
| Dichanthelium cordovense (E. Fourn.) Davidse, 1992 |
| Dichanthelium dichotomum (L.) Gould, 1974 |
| Dichanthelium dichotomum var. dichotomum (L.) Gould, 1974 |
| Dichanthelium dichotomum var. ensifolium (Baldwin ex Elliott) Gould & C.A. Clark, 1978 |
| Dichanthelium ensifolium (Baldwin ex Elliott) Gould, 1974 |
| Dichanthelium ensifolium var. ensifolium (Baldwin ex Elliott) Gould, 1974 |
| Dichanthelium erectifolium (Nash) Gould & C.A. Clark, 1979 |