| Name | Oenothera cardiophylla var. splendens Munz & I. M. Johnston |
| Authorship | Munz & I. M. Johnston |
| Rank | Variety |
| Placed in | Oenothera cardiophylla Torrey |
| Citation | 1922 Bull. Torrey Bot. Club 49(12): 354 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oenothera cardiophylla var. splendens Munz & I. M. Johnston |
| Identification made in | [no date] (1) |