| Diandrochloa De Winter, 1960 |
| Diandrochloa diplachnoides (Steud.) A.N. Henry, 1968 |
| Diandrochloa glomerata (Walter) Burkart, 1968 |
| Diandrochloa japonica (Thunb.) A.N. Henry, 1968 |
| Diandrochloa namaquensis (Nees ex Schrad.) De Winter, 1960 |
| Diastemanthe Steud., 1854 |
| Diastemenanthe Steud., 1854 |
| Dichantheliinae Zuloaga, 2014 |
| Dichanthelium (Hitchc. & Chase) Gould, 1974 |
| Dichanthelium Zuloaga, 1987 |
| Dichanthelium aciculare (Desv. ex Poir.) Gould & C.A. Clark, 1979 |
| Dichanthelium aciculare subsp. angustifolium (Elliott) Freckmann & Lelong, 2002 |
| Dichanthelium aciculare subsp. fusiforme (Hitchc.) Freckmann & Lelong, 2002 |
| Dichanthelium aciculare subsp. neuranthum (Griseb.) Freckmann & Lelong, 2002 |
| Dichanthelium aciculare var. aciculare (Desv. ex Poir.) Gould & C.A. Clark, 1979 |
| Dichanthelium aciculare var. ramosum (Griseb.) Davidse, 1992 |
| Dichanthelium acuminatum (Sw.) Gould & C.A. Clark, 1979 |
| Dichanthelium acuminatum subsp. columbianum (Scribn.) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum subsp. implicatum (Scribn.) Freckmann & Lelong, 2002 |
| Dichanthelium acuminatum subsp. leucothrix (Nash) Freckmann & Lelong, 2002 |