Plants in the Oenothera genus
O
- O. albicaulis (Whitest Evening Primrose)
- O. biennis (Evening Primrose)
- O. brevipes (Golden Suncup)
O cont.
- Oenothera elata hookeri (Hooker's Evening Primrose)
- O. glazioviana (Large-Flower Evening Primrose)
- O. lamarckiana
O cont.