| Author | Title | Journal/publisher | Literature ref. no. |
| Raven, P.H. (1978) | Onagraceae | Flora Zambesiaca 4 | 162 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 7 |
| Epilobium hirsutum |
| Epilobium salignum |
| Ludwigia abyssinica |
| Ludwigia adscendens subsp. diffusa |
| Ludwigia leptocarpa |
| Ludwigia perennis |
| Ludwigia stenorraphe subsp. stenorraphe |