| Name | Oenothera engelmannii (Small) Munz |
| Authorship | (Small) Munz |
| Rank | Species |
| Placed in | Oenothera Linnaeus |
| Citation | 1931 Amer. J. Bot. 18(5): 316 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Oenothera engelmannii (Small) Munz |
| Identification made in | [no date] (7), 1961 (5), 1964 (1) |
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