| Oxymeris DC., 1828 |
| Oxymeris cornoides Triana, 1871 |
| Oxymeris dichotoma (Pav. ex D. Don) Triana, 1872 |
| Oxymeris melanodesma (Naudin) Triana, 1871 |
| Oxymeris multiplinervis (Naudin) Triana, 1871 |
| Pleroma D. Don, 1823 |
| Pleroma galeottianum Triana, 1871 |
| Pleroma longifolium (Vahl) Triana, 1871 |
| Pleroma mexicanum DC., 1828 |
| Pleroma naudinianum Triana, 1871 |
| Pleroma rufipile Triana, 1871 |
| Pleroma schiedeanum Triana, 1871 |
| Pleroma urvilleanum (DC.) P.J.F. Guim. & Michelang., 2019 |
| Pterolepis (DC.) Miq., 1840 |
| Pterolepis exigua (Naudin) Triana, 1871 |
| Pterolepis pumila (Bonpl.) Cogn., 1885 |
| Pterolepis stenophylla Gleason, 1933 |
| Pterolepis trichotoma (Rottb.) Cogn., 1885 |
| Rhexia L., 1753 |
| Rhexia acisanthera L., 1759 |