| Name | Oenothera macrocarpa Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Oenothera Linnaeus |
| Contains | Oenothera macrocarpa subsp. fremontii (S. Watson) W. L. Wagner Oenothera macrocarpa subsp. incana (A. Gray) W. L. Wagner Oenothera macrocarpa subsp. macrocarpa Oenothera macrocarpa subsp. oklahomensis (Norton) W. L. Wagner |
| GUID | urn:lsid:ipni.org:names:30045039-2 |
| Holdings | 57 Specimens held in the Harvard University Herbaria identified as Oenothera macrocarpa Nuttall |
| Identification made in | [no date] (25), 1980 (32) |