| Tropidocarpum Hook., 1836 |
| Tropidocarpum dubium Davidson, 1894 |
| Tropidocarpum gracile Hook., 1836 |
| Tropidocarpum gracile var. dubium (Davidson) Jeps., 1925 |
| Tropidocarpum gracile var. scabriusculum (Hook.) Greene, 1891 |
| Tropidocarpum macrocarpum Hook. & Harv. ex Greene, 1895 |
| Tropidocarpum scabriusculum Hook., 1837 |
| Turritideae Buchenau, 1894 |
| Turritis Adans., 1763 |
| Turritis L., 1753 |
| Turritis glabra L., 1753 |
| Turritis glabra var. lilacina O.E. Schulz, 1933 |
| Turritis hispidula DC., 1821 |
| Turritis lasiophylla Hook. & Arn., 1838 |
| Turritis macrocarpa Nutt. ex Torr. & A. Gray, 1838 |
| Uranodactylus Gilli, 1959 |
| Vandalea (E. Fourn.) Fourr., 1868 |
| Vania F.K. Mey., 1973 |
| Velarum (DC.) Rchb., 1828 |
| Vella L., 1753 |