⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-32944, with some changes.

Arnica merriami Greene 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 20C562D2-853F-40A4-A525-3D16CE8E9E56) with original publication details: Pittonia 4 36 1899.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:20038-2.