Arnica louiseana Farr ssp. genuina Maguire
Yukon Territory: Canol Road: northeast shoulder of Mount Sheldon and glacial cirque. Elev. 3100-6000 ft.
Rocky slopes above timberline. Phenology: Flowers.
A. E. Porsild 11102, Aug 13, 1944
With A. J. Breitung
WTU, Accession: 127574