| Critesion (Raf.) Nevski, 1941 |
| Critesion adscendens (Kunth) Á. Löve, 1984 |
| Critesion arizonicum (Covas) Á. Löve, 1980 |
| Critesion brachyantherum (Nevski) Barkworth & D.R. Dewey, 1985 |
| Critesion depressum (Scribn. & J.G. Sm.) Á. Löve, 1980 |
| Critesion glaucum (Steud.) Á. Löve, 1984 |
| Critesion hystrix (Roth) Á. Löve, 1984 |
| Critesion jubatum (L.) Nevski, 1934 |
| Critesion jubatum subsp. breviaristatum (Bowden) Á. Löve & D. Löve, 1976 |
| Critesion murinum (L.) Á. Löve, 1980 |
| Critesion murinum subsp. glaucum (Steud.) B.K. Simon, 1986 |
| Critho E. Mey., 1848 |
| Crithodium Link, 1834 |
| Crithodium (Link) Nevski, 1934 |
| Crithopyrum Steud., 1854 |
| Crithopyrum trachycaulum hort. ex Steud., 1854 |
| Crossotropis Stapf, 1898 |
| Crypsinna E. Fourn., 1886 |
| Crypsis Aiton, 1789 |
| Crypsis alopecuroides (Piller & Mitterp.) Schrad., 1806 |