Wunderlin, R.P., Hansen, B.F. & Franck, A.R. (2018) Flora of Florida. Volume 5. University Press of Florida
| Species | Provinces | Content |
| ovalifolia (Forssk.) Diane & Hilger | CN,LA,NA | Description, Image |
| strigosa (Willd.) Diane & Hilger | MA,NA | Description, Image |