| Sartwellia humilis I.M. Johnst., 1941 |
| Sartwellia mexicana A. Gray, 1884 |
| Sartwellia puberula Rydb., 1915 |
| Saubinetia Remy, 1849 |
| Schaetzellia Sch. Bip., 1850 |
| Schaetzellia deckeri Klotzsch, 1849 |
| Schaetzellia mexicana Sch. Bip., 1850 |
| Schaetzellia mexicana var. standleyi (Steyerm.) R.M. King & H. Rob., 1970 |
| Schaetzellia standleyi Steyerm., 1944 |
| Schistocarpha Less., 1831 |
| Schistocarpha bicolor Less., 1831 |
| Schistocarpha calzadana B.L. Turner, 2003 |
| Schistocarpha chiapensis H. Rob., 1979 |
| Schistocarpha eupatorioides (Fenzl) Kuntze, 1898 |
| Schistocarpha kellermanii Rydb., 1927 |
| Schistocarpha liebmannii Klatt, 1887 |
| Schistocarpha longiligula Rydb., 1927 |
| Schistocarpha longiligula var. longiligula Rydb., 1927 |
| Schistocarpha longiligula var. seleri (Rydb.) B.L. Turner, 1986 |
| Schistocarpha matudae H. Rob., 1979 |