| 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 |
| Crypsis explicata (Link) F. Herm., 1937 |
| Crypsis juncea (P. Beauv.) Steud., 1821 |
| Crypsis macroura Kunth, 1815 |
| Crypsis phalaroides M. Bieb., 1808 |
| Crypsis schoenoides (L.) Lam., 1791 |
| Crypsis setifolia J. Presl, 1830 |
| Crypsis squarrosa Nutt., 1818 |
| Crypsis vaginiflora (Forssk.) Opiz, 1824 |