| Name | Argemone pleiacantha Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Argemone Linnaeus |
| Contains | Argemone pleiacantha subsp. ambigua G. B. Ownbey Argemone pleiacantha subsp. pinnatisecta G. B. Ownbey |
| GUID | urn:lsid:ipni.org:names:671714-1 |
| Citation | 1908 Repert. Spec. Nov. Regni Veg. 6: 161 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Argemone pleiacantha Greene |
| Identification made in | [no date] (3), 1948 (1), 1957 (1), 1996 (10), 1997 (1), 2015 (1) |