| Triticum vulgare var. aestivum (L.) Spenn., 1825 |
| Triunila Raf., 1825 |
| Trixostis Raf., 1830 |
| Trixostis gracilis Raf., 1830 |
| Tuctoria Reeder, 1982 |
| Tuctoria fragilis (Swallen) Reeder, 1982 |
| Turfosa Pilg., 1931 |
| Turraya Wall., 1847 |
| Tylothrasya Döll, 1877 |
| Uniola L., 1753 |
| Uniola distichophylla (Michx.) Roem. & Schult., 1817 |
| Uniola flexuosa Buckley, 1862 |
| Uniola floridana Gand., 1919 |
| Uniola heterochroa Gand., 1919 |
| Uniola latifolia Michx., 1803 |
| Uniola lugens E. Fourn., 1886 |
| Uniola macrostachys Gand., 1919 |
| Uniola maritima Michx., 1803 |
| Uniola multiflora Nutt., 1837 |
| Uniola palmeri Vasey, 1889 |