| Dichanthelium acuminatum subsp. lindheimeri (Nash) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum subsp. longiligulatum (Nash) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum subsp. sericeum (Schmoll) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum subsp. thermale (Bol.) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum var. acuminatum (Sw.) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum var. implicatum (Scribn.) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum var. lindheimeri (Nash) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum var. longiligulatum (Nash) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum var. sericeum (Schmoll) Freckmann, 1981 |
| Dichanthelium acuminatum var. thermale (Bol.) Freckmann, 1981 |
| Dichanthelium acuminatum var. thurowii (Scribn. & J.G. Sm.) Gould & C.A. Clark, 1979 |
| 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 |