⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2650510, with some changes.

Argemone mexicana var. aculeatissima Moric. ex Prain is a synonym of Argemone platyceras Link & Otto

This name is a synonym of Argemone platyceras Link & Otto.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: J. Bot. 33: 367 1895.