Arnica angustifolia Vahl ssp. tomentosa (J.M. Macoun) G.W. Douglas & Ruyle-Douglas
Annotated by B.A. Bennett, July 2015.

Yukon Territory: Caribou Mountain. Elev. 1559 m
60.24292°, -134.70096°
15°, southwest-facing slope of loose shale talus poorly vegetated with Potentilla diversifolia, P. arenosa, Saxifraga tricuspidata, Stellaria longipes, Elymus violaceus, Campanula lasiocarpa, Artemisia alaskana, A. arctica, and Antennaria rosea. Uncommon. Flowering. 1 duplicate (DAO).

B.A. Bennett 15-0180, July 4, 2015
With R.S. Mulder, S.L. Bennett
BABY, Accession: BABY-09274, Genetic barcoding: CCDB-25747-G1