⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-86626, with some changes.

Arnica rivularis 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 05B2AE13-481A-4DF5-BF69-7B579DADC653) with original publication details: Pittonia 4 163 1900.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:20079-2.