| Staurogyne agrestis Leonard, 1937 |
| Staurogyne miqueliana Kuntze, 1891 |
| Stenandrium Nees, 1836 |
| Stenandrium barbatum Torr. & A. Gray, 1855 |
| Stenandrium chameranthemoideum Oerst., 1855 |
| Stenandrium dulce (Cav.) Nees, 1847 |
| Stenandrium dulce var. floridanum A. Gray, 1878 |
| Stenandrium floridanum (A. Gray) Small, 1903 |
| Stenandrium guatemalense Leonard, 1936 |
| Stenandrium manchonense T.F. Daniel, 1985 |
| Stenandrium mexicanum Leonard, 1938 |
| Stenandrium nanum (Standl.) T.F. Daniel, 1985 |
| Stenandrium pedunculatum (Donn. Sm.) Leonard, 1942 |
| Stenandrium pilosulum (S.F. Blake) T.F. Daniel, 1985 |
| Stenandrium subcordatum Standl., 1930 |
| Stenandrium verticillatum Brandegee, 1906 |
| Stenostephanus Nees, 1847 |
| Stenostephanus azureus (D.N. Gibson) T.F. Daniel, 2010 |
| Stenostephanus breedlovei T.F. Daniel, 1995 |
| Stenostephanus chiapensis T.F. Daniel, 1995 |