⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-62061, with some changes.

Arnica macounii var. aspera (Greene) G.N.Jones is a synonym of Arnica mollis Hook.

This name is a synonym of Arnica mollis Hook..

The record derives from TICA which reports it as a synonym (record BB0F75CB-BB5A-4B0F-BD80-ABB8CD6F360B) with original publication details: Univ. Wash. Publ. Biol. 5 256 1936.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:20035-2.