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⚠ Version 1 of The Plant List has been superseded.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-106613, with some changes.

M Cirsium modestum (Osterh.) Cockerell is a synonym of Cirsium clavatum var. americanum (A.Gray) D.J.Keil

This name is a synonym of Cirsium clavatum var. americanum (A.Gray) D.J.Keil.

The record derives from TICA which reports it as a synonym (record 1098AEB5-A307-4019-B1AE-A834FE3313E6) with original publication details: Univ. Colorado Stud. 11: 219. 1915 219 1915.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:59070-2.