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⚠ Version 1 of The Plant List has been superseded.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-11308, with some changes.

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

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

The record derives from TICA which reports it as a synonym (record 21CA32D7-5198-482D-B9D0-15263922C9AA) with original publication details: "Univ. Missouri Studies, Sci. Ser. 2(2): 254 (1911)" 254 1911.