| Petasostylis saponarioides (Schltdl. & Cham.) Griseb., 1845 |
| Pneumonanthe Gilib., 1782 |
| Pneumonanthe bicuspidata G. Don, 1838 |
| Potalieae Endl., 1838 |
| Sabatia Adans., 1763 |
| Sabatia arenicola Greenm., 1899 |
| Sabatia purpusii Brandegee, 1912 |
| Sabatia stellaris Pursh, 1814 |
| Sabatia tuberculata J.E. Williams, 1982 |
| Saccifolieae Struwe, 2002 |
| Schultesia Mart., 1827 |
| Schultesia brachyptera Cham., 1833 |
| Schultesia guianensis (Aubl.) Malme, 1904 |
| Schultesia heterophylla Miq., 1846 |
| Schultesia lisianthoides (Griseb.) Benth. & Hook. f. ex Hemsl., 1882 |
| Swertia L., 1753 |
| Swertia brevicornis Kunth, 1819 |
| Swertia parryi (Torr.) Kuntze, 1891 |
| Swertia radiata (Kellogg) Kuntze, 1891 |
| Voyria Aubl., 1775 |