| Dimorphostachys langei E. Fourn., 1886 |
| Dimorphostachys monostachya (Kunth) E. Fourn. ex Hemsl., 1885 |
| Dimorphostachys oaxacensis (Steud.) E. Fourn. ex Hemsl., 1885 |
| Dimorphostachys paspaloides E. Fourn., 1886 |
| Dimorphostachys pedunculata E. Fourn., 1886 |
| Dimorphostachys pilosa (Lam.) E. Fourn., 1886 |
| Dimorphostachys schaffneri E. Fourn., 1886 |
| Dimorphostachys schaffneri var. remotispicula E. Fourn., 1886 |
| Dimorphostachys variabilis E. Fourn., 1886 |
| Dinebra Jacq., 1809 |
| Dinebra aquatica (Scribn. & Merr.) P.M. Peterson & N. Snow, 2012 |
| Dinebra nealleyi (Vasey) P.M. Peterson & N. Snow, 2012 |
| Dinebra panicea (Retz.) P.M. Peterson & N. Snow, 2012 |
| Dinebra panicea subsp. brachiata (Steud.) P.M. Peterson & N. Snow, 2012 |
| Dinebra panicea subsp. mucronata (Michx.) P.M. Peterson & N. Snow, 2012 |
| Dinebra panicoides (J. Presl) P.M. Peterson & N. Snow, 2012 |
| Dinebra retusigluma N. Snow & P.M. Peterson, 2023 |
| Dinebra scabra (Nees) P.M. Peterson & N. Snow, 2012 |
| Dinebra viscida (Scribn.) P.M. Peterson & N. Snow, 2012 |
| Diperium Desv., 1831 |