Mule ears (Wyethia mollis) blooming across a volcanic hillside on the west side of the ridge between Minaret Summit and San Joaquin Mountain.  Seen from 9000ft on the High Trail (part of the Pacific Crest Trail), Ansel Adams Wilderness, California.
<a href="//commons.wikimedia.org/wiki/User:Dcrjsr" title="User:Dcrjsr">Dcrjsr</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>