| Name | Argemone sanguinea Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Argemone Linnaeus |
| Citation | 1899 Pittonia 4(21A): 68 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Argemone sanguinea Greene |
| Identification made in | 1957 (2), 2015 (1) |