Cuphea viscosissima Jacq.
| Fossil plants from Bolivia and their bearing upon the age of uplift of the eastern Andes Edward W Berry (1917) Proceedings of The United States National Museum 54: 103-164 | |
| The genera of Lythraceae in the southeastern United States S A Graham (1964) Journal of the Arnold Arboretum 45: 235-250 |