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Boulder Lichen

Porpidia macrocarpa


A variable crustose lichen found generally found on rocks and boulders. White to pale surface with black disc shaped apothecia (.1 mm in dia.).


Spotted on a large boulder with no shade.

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Spotted by

Auburn, Washington, USA

Lat: 47.33, Long: -122.27

Spotted on Dec 12, 2017
Submitted on Dec 26, 2017

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