| Rapanea myricoides (Schltdl.) Lundell, 1964 |
| Rapanea panamensis Lundell, 1971 |
| Rapanea pellucidopunctata (Oerst.) Mez, 1902 |
| Rapanea venosa (A. DC.) Mez, 1902 |
| Rapanea veraecrucis (Lundell) Lundell, 1985 |
| Samoleae Rchb., 1831 |
| Samolus L., 1753 |
| Samolus alyssoides A. Heller, 1895 |
| Samolus cinerascens (B.L. Rob.) Pax & R. Knuth, 1905 |
| Samolus cuneatus Small, 1897 |
| Samolus dichondrifolius Channell, 1958 |
| Samolus ebracteatus Kunth, 1817 |
| Samolus ebracteatus subsp. alyssoides (A. Heller) R. Knuth, 1905 |
| Samolus ebracteatus var. alyssoides (A. Heller) Henrickson, 1983 |
| Samolus ebracteatus var. breviflorus Henrickson, 1983 |
| Samolus ebracteatus var. coahuilensis Henrickson, 1983 |
| Samolus ebracteatus var. cuneatus (Small) Henrickson, 1983 |
| Samolus floribundus Kunth, 1818 |
| Samolus parviflorus Raf., 1818 |
| Samolus vagans Greene, 1909 |