⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-28025, with some changes.
This name is a synonym of Cirsium scariosum var. scariosum Nutt..
The record derives from TICA which reports it as a synonym (record 5E375C2B-ACAB-419F-A9AD-33BEB54ACD23) with original publication details: 539 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:58961-2.