Public domain photos

The image shows a rock in the woods with lichen growing on it, surrounded by trees in the background. The rock is covered in a thick layer of lecanora, a type of lichen, which is a white, fuzzy substance that grows on the surface of the rock.

The image shows a rock in the woods with lichen growing on it, surrounded by trees in the background. The rock is covered in a thick layer of lecanora, a type of lichen, which is a white, fuzzy substance that grows on the surface of the rock.Open in library