The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.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.

M Cirsium butleri (Rydb.) Petr. is a synonym of Cirsium scariosum var. scariosum Nutt.

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.