Heart-leaf Arnica, Heart-leaf Leopardbane
Synonyms: Arnica cordifolia var. cordifolia, Arnica cordifolia var. pumila
Heart-leaf arnica blooming under the oaks near the trailhead for the School Canyon Trail #468, Badger Creek Wilderness........May 10, 2015.
The photo above shows heart-leaf arnica as seen under Oregon white oaks on the east bank of the Klickitat River along the River Route Road.........May 3, 2008.