⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-36210, with some changes.
This name is a synonym of Arnica longifolia .
The record derives from TICA which reports it as a synonym (record 1C1A9F24-C658-45BF-9DDA-4326A2609C9A
) with original publication details: Bull. Torrey Bot. Club 37 463 1910.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:19891-2
.