| 1 | Oenothera | argillicola | Shale Barren Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 2 | Oenothera | biennis | Common Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 3 | Oenothera | clelandii | Cleland's Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 4 | Oenothera | fruticosa | Narrow-leaved Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 5 | Oenothera | grandis | Showy Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 6 | Oenothera | humifusa | Seabeach Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 7 | Oenothera | laciniata | Cut-leaved Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 8 | Oenothera | nutans | Nodding Eveniing Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 9 | Oenothera | oakesiana | Oakes's Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 10 | Oenothera | parviflora | Northern Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 11 | Oenothera | perennis | Little Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 12 | Oenothera | tetragona | Yellow Sundrops | Evening Primrose Family | Onagraceae | Magnoliopsida |
| 13 | Oenothera | villosa ssp. villosa | Hairy Evening Primrose | Evening Primrose Family | Onagraceae | Magnoliopsida |