| Name | Argemone squarrosa Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Argemone Linnaeus |
| Contains | Argemone squarrosa subsp. glabrata G. B. Ownbey Argemone squarrosa subsp. squarrosa |
| GUID | urn:lsid:ipni.org:names:18866-2 |
| Citation | 1899 Pittonia 4: 68 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Argemone squarrosa Greene |
| Identification made in | [no date] (4), 1996 (8) |
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