| Dichanthelium fusiforme (Hitchc.) Harvill, 1977 |
| Dichanthelium implicatum (Scribn.) Kerguélen, 1979 |
| Dichanthelium joori (Vasey) Mohlenbr., 1985 |
| Dichanthelium lanuginosum (Elliott) Gould, 1974 |
| Dichanthelium lanuginosum var. lindheimeri (Nash) Harvill, 1977 |
| Dichanthelium lanuginosum var. sericeum (Schmoll) Spellenb., 1975 |
| Dichanthelium lanuginosum var. thermale (Bol.) Spellenb., 1975 |
| Dichanthelium lanuginosum var. villosissimum (Nash) Gould, 1974 |
| Dichanthelium laxiflorum (Lam.) Gould, 1974 |
| Dichanthelium leucoblepharis (Trin.) Gould & C.A. Clark, 1979 |
| Dichanthelium leucoblepharis var. glabrescens (Griseb.) Gould & C.A. Clark, 1979 |
| Dichanthelium leucoblepharis var. pubescens (Vasey) Gould & C.A. Clark, 1979 |
| Dichanthelium leucothrix (Nash) Freckmann, 1981 |
| Dichanthelium lindheimeri (Nash) Gould, 1974 |
| Dichanthelium longiligulatum (Nash) Freckmann, 1981 |
| Dichanthelium macrospermum Gould, 1980 |
| Dichanthelium meridionale (Ashe) Freckmann, 1978 |
| Dichanthelium multiglandulosum Sánchez-Ken, 2017 |
| Dichanthelium nodatum (Hitchc. & Chase) Gould, 1974 |
| Dichanthelium oligosanthes (Schult.) Gould, 1974 |