Original identification: Arnica amplexicaulis
Current identification: Arnica lanceolata ssp. prima
Photographer: Douglas Houck
Date Photographed: August 22, 2012
Location: U.S.A., Washington, Clallam County: Heart Lake Trail.
Elevation: 1170 m.
Coordinates: 47.92344°, -123.73388°
Phenology: Flowers
Comments: Note leaves are toothed, clasping in opposite pairs.