| Spananthe angulosa Turcz., 1847 |
| Spananthe paniculata Jacq., 1791 |
| Spananthe paniculata var. paniculata Jacq., 1791 |
| Spananthe setosa Moench, 1802 |
| Spermolepis Raf., 1825 |
| Spermolepis divaricata (Benth. & Hook. f. ex S. Watson) Raf. ex Ser., 1825 |
| Spermolepis echinata (Nutt. ex DC.) A. Heller, 1895 |
| Spermolepis gigantea (J.M. Coult. & Rose) G.L. Nesom, 2012 |
| Spermolepis inermis (Nutt. ex DC.) Mathias & Constance, 1941 |
| Spermolepis patens (Nutt. ex DC.) B.L. Rob., 1908 |
| Sphenosciadium A. Gray, 1865 |
| Sphenosciadium capitellatum A. Gray, 1865 |
| Tauschia Schltdl., 1835 |
| Tauschia allioides Bye & Constance, 1979 |
| Tauschia alpina (Coult. & Rose) Mathias, 1930 |
| Tauschia arguta (Torr. & A. Gray) J.F. Macbr., 1918 |
| Tauschia beruloides Constance & Affolter, 1997 |
| Tauschia bicolor Constance & Bye, 1976 |
| Tauschia decumbens (Benth.) J.M. Coult. & Rose ex Drude, 1898 |
| Tauschia edulis (S. Watson) J.M. Coult. & Rose, 1898 |