| Name | Argemone grandiflora Sweet |
| Authorship | Sweet |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Argemone Linnaeus |
| Contains | Argemone grandiflora subsp. armata G. B. Ownbey |
| GUID | urn:lsid:ipni.org:names:671701-1 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Argemone grandiflora Sweet |
| Identification made in | [no date] (1), 2006 (1) |