⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-114930, with some changes.

Arnica macilenta Greene is a synonym of Arnica chamissonis Less.

This name is a synonym of Arnica chamissonis Less..

The record derives from TICA which reports it as a synonym (record 070CA062-5F65-48ED-AC7F-BB0071CCE48E) with original publication details: Pittonia 4 161 1900.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:178990-1.