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Crust porpidia lichen

Porpidia crustulata


Crustose lichen with a thin pale (non-cracked) thallus and round black apothecia.


Found on a small exposed boulder in the Cascade foothills.


This lichen is most often found in higher elevations on exposed siliceous rocks.

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Spotted by

Washington, USA

Lat: 47.22, Long: -121.07

Spotted on Sep 26, 2019
Submitted on Mar 1, 2020

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