| Thelesperma longipes A. Gray, 1852 |
| Thelesperma megapotamicum (Spreng.) Kuntze, 1898 |
| Thelesperma megapotamicum var. ambiguum (A. Gray) Shinners, 1950 |
| Thelesperma megapotamicum var. megapotamicum (Spreng.) Kuntze, 1898 |
| Thelesperma megapotamicum var. ramosius (S.F. Blake) Melchert, 1990 |
| Thelesperma muelleri (Sherff) Melchert, 1990 |
| Thelesperma ramosius S.F. Blake, 1941 |
| Thelesperma scabridulum S.F. Blake, 1935 |
| Thelesperma shinnersii Flyr, 1971 |
| Thelesperma simplicifolium A. Gray, 1849 |
| Thelesperma simplicifolium var. macrocarpum Melchert, 1990 |
| Thelesperma simplicifolium var. simplicifolium A. Gray, 1849 |
| Thelesperma subaequale S.F. Blake, 1928 |
| Thymophylla Lag., 1816 |
| Thymophylla acerosa (DC.) Strother, 1986 |
| Thymophylla anomala (Canby & Rose) Rydb., 1915 |
| Thymophylla aurantiaca (Brandegee) Rydb., 1915 |
| Thymophylla aurea (A. Gray) Greene, 1898 |
| Thymophylla aurea var. aurea (A. Gray) Greene, 1898 |
| Thymophylla aurea var. polychaeta (A. Gray) Strother, 1986 |