⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2789405, with some changes.
This name is a synonym of Argemone hispida .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Analyt. Key Pl. Rocky Mt. 27 1902.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:672707-1
.