Shield lichens

Shield lichens

Parmelia is a genus of medium to large foliose lichens. The ends of the leaf-like lobes are often squarish-tipped. The upper surface is pale bluish-gray to light brown in direct sunlight, with a network web-like ridges and depressions. The lower surface is black and has rhizines anchoring it to the substrate.

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Shield lichen

Shield lichen

Fungus

Parmelia saxatilis

Parmelia saxatilis

Fungus