| Thryallis Mart., 1829 |
| Thryallis L., 1762 |
| Thryallis angustifolia (Benth.) Rose, 1909 |
| Thryallis glauca (Cav.) Kuntze, 1891 |
| Thryallis gracilis (Bartl.) Kuntze, 1891 |
| Thryallis montana Rose, 1909 |
| Thryallis multicaulis (A. Juss.) Kuntze, 1891 |
| Triopterys L., 1753 |
| Triopterys reclinata (Jacq.) Cav., 1790 |
| Triopterys sericea Schltdl., 1836 |
| Tritomopterys (A. Juss. ex Endl.) Nied., 1912 |
| Tritomopterys albida (Schltdl. & Cham.) Nied., 1912 |