Original identification: Arnica amplexicaulis
Current identification: Arnica lanceolata ssp. prima
Photographer: Douglas Houck
Date Photographed: August 3, 2012
Location: U.S.A., Washington, Whatcom County: Goat Mtn Trail.
Elevation: 1991 m.
Coordinates: 48.92576°, -121.64051°
Phenology: Flowers
Comments: Note the clasping, toothed leaves in opposite pairs. Petal tips are toothed.