| Serjania trachygona Radlk., 1875 |
| Serjania trifoliolata Radlk., 1895 |
| Serjania triquetra Radlk., 1875 |
| Serjania unguiculata Radlk., 1921 |
| Serjania vesicosa Radlk., 1874 |
| Serjania yucatanensis Standl., 1930 |
| Talisia Aubl., 1775 |
| Talisia floresii Standl., 1931 |
| Talisia macrophylla (Mart.) Radlk., 1878 |
| Talisia oliviformis (Kunth) Radlk., 1878 |
| Thinouia Triana & Planch., 1862 |
| Thinouia myriantha Triana & Planch., 1862 |
| Thinouia tomocarpa Standl., 1936 |
| Thouinia Poit., 1804 |
| Thouinia acuminata S. Watson, 1890 |
| Thouinia ligustrina Sw., 1788 |
| Thouinia myriantha Triana & Planch., 1862 |
| Thouinia paucidentata Radlk., 1898 |
| Thouinia pringlei S. Watson, 1890 |
| Thouinia riparia Brandegee, 1915 |