⚠ Version 1 of The Plant List has been superseded.

This name record (from TICA) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Cnicus spinosissimus in version 1.1 of The Plant List.

Cnicus spinosissimus is a synonym of Cirsium horridulum Michx.

This name is a synonym of Cirsium horridulum Michx..

The record derives from TICA which reports it as a synonym (record 5A079B2A-2B84-4983-A6B3-7AE80067A127) with original publication details: 1837.