| Name | Oenothera caespitosa Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oenothera Linnaeus |
| Contains | Oenothera caespitosa var. brandegeei Munz Oenothera caespitosa subsp. caespitosa Oenothera caespitosa var. crinita (Rydberg) Munz Oenothera caespitosa subsp. crinita (Rydberg) Munz Oenothera caespitosa subsp. marginata (Nuttall ex Hooker & Arnott) Munz Oenothera caespitosa f. psammophila (A. Nelson & J. F. Macbride) Munz |
| Holdings | 121 Specimens held in the Harvard University Herbaria identified as Oenothera caespitosa Nuttall |
| Identification made in | [no date] (85), 1980 (34), 2023 (2) |