| Triplasiella P.M. Peterson & Romasch., 2016 |
| Triplasiella eragrostoides (Vasey & Scribn.) P.M. Peterson & Romasch., 2016 |
| Triplasis P. Beauv., 1812 |
| Triplasis (P. Beauv.) Hack., 1887 |
| Triplasis caribensis (R.W. Pohl) Beetle, 1983 |
| Triplasis floridana Gand., 1919 |
| Triplasis glabra Gand., 1919 |
| Triplasis intermedia Nash, 1898 |
| Triplasis purpurea (Walter) Chapm., 1860 |
| Triplasis purpurea var. caribensis R.W. Pohl, 1972 |
| Triplasis setacea Griseb., 1879 |
| Triplasis sparsiflora Chapm., 1878 |
| Triplathera (Endl.) Lindl., 1846 |
| Tripogon Roem. & Schult., 1817 |
| Tripogon spicatus (Nees) Ekman, 1912 |
| Tripogonella P.M. Peterson & Romasch., 2016 |
| Tripogonella spicata (Nees) P.M. Peterson & Romasch., 2016 |
| Tripogoninae Stapf, 1917 |
| Tripsacinae Dumort., 1829 |
| Tripsacum L., 1759 |