button-shaped lichen on a tree

January 27, 2011 • Gales Creek Trail • Tillamook State Forest, Oregon

Coordinates: 45.63447,-123.36652 (click for map)
button-shaped lichen on a tree [Gales Creek Trail, Tillamook State Forest, Oregon]
Filename: 20110127-105123.jpg 2592x1944 pixels, f8.0 @ 1/3 sec

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