| Literature: | | |
| Raven, P.H. (1978) Onagraceae FZ 4 | | |
| | | |
| Names | FZ Divisions | Source codes |
| | | |
| 5793.000 LUDWIGIA L. | | |
| Ludwigia abyssinica A. Rich. | W,E | FZ |
| Jussiaea abyssinica (A. Rich.) Dandy & Brenan | | |
| Ludwigia jussiaeoides sensu Harv. | | |
| Ludwigia erecta (L.) H. Hara | N,W,S | FZ |
| Jussiaea erecta L. | | |
| Ludwigia leptocarpa (Nutt.) H. Hara | N,S | FZ |
| Ludwigia octovalvis (Jacq.) P.H. Raven | | |
| subsp. octovalvis | N,W,C,E,S | FZ |
| Ludwigia octovalvis (Jacq.) P.H. Raven | | |
| subsp. sessiliflora (Micheli) P.H. Raven | E | FZ |
| Ludwigia octovalvis (Jacq.) P.H. Raven | | |
| subsp. brevisepala (Brenan) P.H. Raven | N,W,S | FZ |
| Ludwigia palustris (L.) Elliott | N,C | FZ, GR |
| Ludwigia perennis L. | N,S | FZ |
| Ludwigia senegalensis (DC.) Troch. | W | FZ |
| Ludwigia pulvinaris Gilg | | |
| Ludwigia stolonifera (Guill. & Perr.) P.H. Raven | N,W,C,E,S | FZ |
| Jussiaea diffusa Forssk. | | |
| Jussiaea repens L. | | |
| Ludwigia adscendens (L.) H. Hara subsp. diffusa (Forssk.) P.H. Raven | | |
| | | |
| 5795.000 EPILOBIUM L. | | |
| Epilobium capense Buchinger ex Hochst. | E | FZ |
| Epilobium hirsutum L. | N,W,C,E | FZ, MT02 |
| Epilobium salignum Hausskn. | N,W,C,E,S | FZ, MT02 |
| Epilobium neriophyllum Hausskn. | | |
| | | |
| 5804.000 OENOTHERA L. | | |
| Oenothera indecora Cambess. | N,C,E | FZ, SRGH |
| Oenothera laciniata Hill | E | FZ |
| *Oenothera rosea L'Hér. ex Aiton | N,W,C,E | FZ |
| *Oenothera stricta Ledeb. ex Link | N,C,E | FZ |
| *Oenothera tetraptera Cav. | C,E | FZ |