| Triphora Nutt., 1818 |
| Triphora cubensis (Rchb. f.) Ames, 1924 |
| Triphora debilis Schltr., 1921 |
| Triphora gallegosii Figueroa, Zabalg., Velázquez-R. & R. Jiménez, 2023 |
| Triphora gentianoides (Sw.) Ames & Schltr., 1922 |
| Triphora hassleriana (Cogn.) Schltr., 1925 |
| Triphora lutea (Schltr.) Schltr. ex Mansf., 1930 |
| Triphora mexicana (S. Watson) Schltr., 1921 |
| Triphora ricketii Luer, 1966 |
| Triphora trianthophoros (Sw.) Rydb., 1901 |
| Triphora wagneri Schltr., 1921 |
| Triphora yucatanensis Ames, 1922 |
| Triphoreae Dressler, 1979 |
| Triphorinae Szlach., 1991 |
| Tropidia Lindl., 1833 |
| Tropidia eatonii Ames, 1904 |
| Tropidia polystachya (Sw.) Ames, 1908 |
| Tropidieae Dressler, 1983 |
| Tubella (Luer) Archila, 2000 |
| Tubella Archila, 2015 |