Central Appalachian Low-Elevation Acidic Nonvascular Cliff / Boulderfield – CEGL004142
A nonvascular boulderfield composed of relatively fine, pinkish quartzite. Golden moonglow lichen (Dimelaena oreina) covers the boulder in right foreground. Lower south slope of Austin Mountain above Madison Run, Rockingham County, Shenandoah National Park. © DCR-DNH, Gary P. Fleming