⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-111748, with some changes.
This name is a synonym of Machaeranthera gymnocephala (DC.) Shinners.
The record derives from TICA which reports it as a synonym (record F8F6EC3F-DE93-4561-A26A-B3D0393C36E4) with original publication details: 32 .
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:181364-1.