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0 0 Smoky Crottle

Smoky Crottle

by MachiKodiak, Alaska, USA

Large boulder on top of Pillar Mountain

4 1 Salted Shield Lichen

Salted Shield Lichen

by MachiMaine, USA

0 0 Shield Lichen

Shield Lichen

by MachiMaine, USA

Black rhizines, branching gray thallus growing flat to the tree

3 0 Shield Lichen

Shield Lichen

by MachiKodiak, Alaska, USA

More deeply lobed than Parmelia hygrophila.

0 0 Waxpaper lichen

Waxpaper lichen

by Brian38Tukwila, Washington, USA

Parmelia sulcata is a foliose lichen with a generally circular thallus that can ...

0 0 Lichen

Lichen

by venusflytrap2000Harrisburg, Pennsylvania, USA

is covered by lichen.[8] In Scotland, the dye-producing lichens are known as ...

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