⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-63971, and has not been changed.

Cirsium undulatum var. grahamii (A.Gray) Petr. is a synonym of Cirsium grahamii A.Gray

This name is a synonym of Cirsium grahamii A.Gray.

The record derives from TICA which reports it as a synonym (record B9091B88-7CF8-4442-9F62-BB0238020A44) with original publication details: 247 1910.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:59173-2.