| Genus | Species |
|---|---|
| Calylophus | 0 |
| Camissonia | 6 |
| Camissoniopsis | 6 |
| Chamaenerion | 3 |
| Chylismia | 8 |
| Chylismiella | 1 |
| Circaea | 10 |
| Clarkia | 37 |
| Epilobium | 113 |
| Eremothera | 6 |
| Eulobus | 3 |
| Fuchsia | 41 |
| Gaura | 0 |
| Gayophytum | 7 |
| Gongylocarpus | 2 |
| Hauya | 2 |
| Lopezia | 7 |
| Ludwigia | 66 |
| Megacorax | 1 |
| Neoholmgrenia | 2 |
| Oenothera | 136 |
| Stenosiphon | 0 |
| Taraxia | 4 |
| Tetrapteron | 2 |
| Xylonagra | 1 |