| 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 restusigluma 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 |
| Diplachne P. Beauv., 1812 |
| Diplachne acuminata Nash, 1901 |
| Diplachne brandegeei Vasey, 1889 |
| Diplachne carinata (Griseb.) Hack., 1900 |
| Diplachne domingensis (Jacq.) Chapm., 1897 |
| Diplachne dubia (Kunth) Scribn., 1883 |
| Diplachne dubia var. aristata Vasey, 1889 |
| Diplachne dubia var. humboldtiana Kuntze, 1898 |
| Diplachne dubia var. kurtziana Kuntze, 1898 |
| Diplachne dubia var. pringleana Kuntze, 1898 |