| 274090 - Oenothera biennis L. | |
| 274102 - Oenothera biennis aggr. | |
| 274130 - Oenothera canovirens Steele | |
| 274160 - Oenothera deflexa R. R. Gates | |
| 274170 - Oenothera depressa Greene | |
| 274250 - Oenothera fallax Renner | |
| 274300 - Oenothera glazioviana Micheli | 
|
| 274630 - Oenothera oaksiana (A. Gray) S. Watson & J. M. Coult. | |
| 274660 - Oenothera parviflora L. | |
| 274700 - Oenothera parviflora aggr. | 
|
| 274750 - Oenothera pycnocarpa G. F. Atk. & Bartlett | |
| 274850 - Oenothera stucchii Soldano | |
| 274990 - Oenothera villosa Thunb. | |
| 275000 - Oenothera villosa aggr. |