The Flora of Mount Rainier -- a Photographic Journey, by Susan McDougall
Broadleaf Arnica - Arnica latifolia
The most common arnica, abundant in in many places, generally above 3000 feet and flourishing in the lower subalpine zone. Photographed (left) on the Crystal Peak Trail on July 28, 2016, and (right) at Narada Falls on July 1, 2014.