| Cheilanthes seemannii Hook., 1852 |
| Cheilanthes selinoides Mickel, 1992 |
| Cheilanthes sinuata (Lag. ex Sw.) Domin, 1913 |
| Cheilanthes skinneri (Hook.) R.M. Tryon & A.F. Tryon, 1981 |
| Cheilanthes sonorensis Goodd., 1912 |
| Cheilanthes speciosissima A. Braun ex Kunze, 1837 |
| Cheilanthes speciosissima var. elata Liebm., 1849 |
| Cheilanthes spiculata Mickel, 2004 |
| Cheilanthes squamosa Hook. & Grev., 1829 |
| Cheilanthes squamosa var. brachypus Kunze, 1845 |
| Cheilanthes tomentosa Link, 1833 |
| Cheilanthes venusta Fée, 1857 |
| Cheilanthes venusta var. aurata Fée, 1857 |
| Cheilanthes villosa Davenp. ex Maxon, 1918 |
| Cheilanthes viscida Davenp., 1877 |
| Cheilanthes viscosa Link, 1833 |
| Cheilanthes wootonii Maxon, 1918 |
| Cheilanthes wrightii Hook., 1858 |
| Cheilanthes yatskievychiana Mickel, 2004 |
| Cheilanthes yavapensis T. Reeves ex Windham, 1993 |