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Macro shot of orange and grey crustose lichen growing on textured tree bark
Macro shot of orange and grey crustose lichen growing on textured tree bark
Various species of crustose and foliose lichen growing on a witchhazel twig in winter in central Virginia
Macro shot of orange and grey crustose lichen growing on textured tree bark
Crustose Lichens on Rocks at the Edge of Lake Huron in Lexington, Michigan, USA
crustose lichen (lichen) white to greenish from the genus Cryptothecia that grows on tree bark

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