⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2709842, with some changes.

Cerastites macrocephala Gray is a synonym of Papaver argemone L.

This name is a synonym of Papaver argemone L..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Nat. Arr. Brit. Pl. 2: 705 1821.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:671985-1.