⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-116508, with some changes.

Arnica aspera 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 BFA81FC0-2E90-412E-BB99-BE8F723DE0D3) with original publication details: Ottawa Naturalist 15 281 1902.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:19880-2.