| Trichanthecium parvifolium (Lam.) Zuloaga & Morrone, 2011 |
| Trichloris E. Fourn. ex Benth., 1881 |
| Trichloris blanchardiana E. Fourn. ex Scribn., 1882 |
| Trichloris crinita (Lag.) Parodi, 1947 |
| Trichloris crinita var. triflora Parodi, 1947 |
| Trichloris crinita var. typica Parodi, 1947 |
| Trichloris fasciculata E. Fourn., 1886 |
| Trichloris latifolia Vasey, 1883 |
| Trichloris lilloi Parodi, 1928 |
| Trichloris mendocina (Phil.) Kurtz, 1897 |
| Trichloris mendocina f. blanchardiana (E. Fourn. ex Scribn.) Kurtz, 1900 |
| Trichloris pluriflora E. Fourn., 1886 |
| Trichloris verticillata E. Fourn. ex Vasey, 1891 |
| Trichochloa DC., 1813 |
| Trichodium Michx., 1803 |
| Trichodium altissimum (Walter) Michx. ex Alph. Wood, 1847 |
| Trichodium decumbens Michx., 1803 |
| Trichodium elatum Pursh, 1814 |
| Trichodium laxiflorum Michx., 1803 |
| Trichodium muhlenbergianum Schult., 1824 |