pine white butterfly on tundra asters

September 3, 2012 • Pacific Crest Trail, Mt. Jefferson Wilderness • Marion County, Oregon

pine white butterfly on tundra asters (Neophasia menapia, Oreostemma alpigenum (Aster alpigenus)) [Pacific Crest Trail, Mt. Jefferson Wilderness, Marion County, Oregon]
Filename: 20120903-155148.jpg 936x702 pixels, ISO 80, f4.5 @ 1/400 sec
Neophasia menapia, Oreostemma alpigenum (Aster alpigenus)

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