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⚠ Version 1 of The Plant List has been superseded.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-40351, with some changes.

M Cirsium megacephalum (A.Gray) Cockerell is a synonym of Cirsium undulatum var. undulatum (Nutt.) Spreng.

This name is a synonym of Cirsium undulatum var. undulatum (Nutt.) Spreng..

The record derives from TICA which reports it as a synonym (record 70A5FA52-E83D-4D96-A978-4ACBE67625C8) with original publication details: "Univ. Missouri Stud., Sci. Ser. 2(2): 254. 1911 [Oct 1911]" 254 1911.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1216604-2.