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⚠ Version 1 of The Plant List has been superseded.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-26641, and has not been changed.

M Carduus osterhoutii Rydb. is a synonym of Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil

This name is a synonym of Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil.

The record derives from TICA which reports it as a synonym (record A112336B-0DDC-4661-A2D3-31386CB58C7B) with original publication details: Bull. Torrey Bot. Club 32 131 1905.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:45576-2.