| Name | Argemone arizonica G. B. Ownbey |
| Authorship | G. B. Ownbey |
| Rank | Species |
| Placed in | Argemone Linnaeus |
| Citation | 1958 Mem. Torrey Bot. Club 21(1): 91–93, f. 14, 18 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Argemone arizonica G. B. Ownbey |
| Identification made in | 1996 (1) |
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