⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-25721, 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 FE99BC18-7AFF-4D08-9E67-2F84D13CF0E4) with original publication details: 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:59055-2.