| Name | Argemone rotundata Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Argemone Linnaeus |
| Citation | 1902 Bull. Torrey Bot. Club 29(3): 160 |
| Holdings | 40 Specimens held in the Harvard University Herbaria identified as Argemone rotundata Rydberg |
| Identification made in | [no date] (4), 1996 (36) |