| Cryptantha muricata var. jonesii (A. Gray) I.M. Johnst., 1919 |
| Cryptantha nevadensis A. Nelson & P.B. Kenn., 1906 |
| Cryptantha oblata (M.E. Jones) Payson, 1927 |
| Cryptantha palmeri (A. Gray) Payson, 1927 |
| Cryptantha patula Greene, 1889 |
| Cryptantha pondii Greene, 1889 |
| Cryptantha pterocarya (Torr.) Greene, 1887 |
| Cryptantha pterocarya var. cycloptera (Greene) J.F. Macbr., 1916 |
| Cryptantha pusilla (Torr. & A. Gray) Greene, 1887 |
| Cryptantha quentinensis J.F. Macbr., 1918 |
| Cryptantha racemosa (S. Watson ex A. Gray) Greene, 1887 |
| Cryptantha ramosa Greene, 1887 |
| Cryptantha setosissima (A. Gray) Payson, 1927 |
| Cryptantha wigginsii I.M. Johnst., 1938 |
| Cynoglosseae W.D.J.Koch, 1837 |
| Cynoglossinae Dumort., 1827 |
| Cynoglossoideae Weigend, 2016 |
| Cynoglossospermum Kuntze, 1891 |
| Cynoglossospermum mexicanum Kuntze, 1891 |
| Cynoglossum L., 1753 |