⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-107145, and has not been changed.

Carduus griseus Rydb. is a synonym of Cirsium botryodes Petr.

This name is a synonym of Cirsium botryodes Petr..

The record derives from TICA which reports it as a synonym (record 8038AEB7-DE9D-4654-B2BC-A96D8A35073B) with original publication details: Bull. Torrey Bot. Club 28 509 1901.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:45532-2.