[Asters: The Genera Canadanthus, Eurybia, Eucephalus, Symphyotrichum in the Cascade Mountain Range of Oregon and Washington]

Engelmann's aster as seen with woodland skippers at Swauk Campground, Wenatchee National Forest......July 30, 2018.

Close-up of the flower head of Engelmann's aster as seen at Swauk Campground, Wenatchee N.F........July 23, 2009.

Two close-up views of the imbricate (shingle-like) involucral bracts of Engelmann's aster as seen at Swauk Campground, Wenatchee N.F.........July 23, 2009.

Two views of stem leaves of Engelmann's aster as seen at Swauk Campground, Wenatchee N.F.......July 23, 2009. The dorsal leaf surface is seen at left, the ventral leaf surface is seen at right. The similar cascade aster (Eucephalus ledophyllus) has whitish hairs on the ventral leaf surface.

Additional close-ups of engelmann's aster as seen along forest service road #3521, Wenatchee National Forest.........August 13, 2009.

Engelmann's aster as seen at Swauk Campground, Wenatchee N.F.........July 23, 2009.