lichen presumably quartzite sandstone surface under direct sunlight full frame texture and background

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gray lichen presumably on quartzite sandstone surface under direct sunlight - full-frame texture and background Royalty Free Stock Photo

lichen presumably on quartzite sandstone surface under direct sunlight - full-frame texture and background Royalty Free Stock Photo

lichen presumably on quartzite sandstone surface under direct sunlight - full-frame texture and background

Lichen on quartzite sandstone surface. A pioneer lichen in Bare Rock Succession that helps break down rock and sets the stage for mosses and other plants to follow succession.