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Project Noah Nature School
Lecanora cinereofusca
It is characterized by apothecia with generally reddish brown discs and the presence of calcium oxalate crystals in the apothecial margin. Thallus is pale gray with a powdery appearance.
Spotted at the base of a large fir tree stump.
Spotted on Apr 5, 2019
Submitted on Jan 1, 2020
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