| Name | Oenothera pilosella f. laevigata E. J. Palmer & Steyermark |
| Authorship | E. J. Palmer & Steyermark |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera pilosella Rafinesque |
| GUID | urn:lsid:ipni.org:names:173279-2 |
| Citation | 1958 Brittonia 10: 116 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oenothera pilosella f. laevigata E. J. Palmer & Steyermark |
| Identification made in | [no date] (1) |