The basal leaves are up to 3 inches long, and a few small stem leaves resemble bracts. This is a plant of dry rocky sites and meadows and ranges from 5,000-8,000 feet. This is variety alpigenum.
Location: Frozen Lake trail, Mount Rainier National Park
Date: August 11, 2008
The flowers have many rays and a bright, broad yellow center. They are solitary on 8-inch stems, a distinguishing field mark for this subalpine aster.
Location: Paradise, Mount Rainier National Park
Date: August 4, 2013
As with many asters, Alpine Aster seeds are wind-dispersed.
Location: Dege Peak trail, Mount Rainier National Park
Date: September 7, 2016