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⚠ Version 1 of The Plant List has been superseded.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-49664, with some changes.

M Cirsium diffusum (Eastw.) Rydb. is a synonym of Cirsium calcareum (M.E.Jones) Wooton & Standl.

This name is a synonym of Cirsium calcareum (M.E.Jones) Wooton & Standl..

The record derives from TICA which reports it as a synonym (record 2E8AB730-D967-4011-9034-5C12B4001459) with original publication details: 1010 1917.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:195265-1.