Glaucomaria carpinea

Rim lichen, a reference photo
Photo: dallenstein · CC BY-SA 4.0 (licence)

Glaucomaria carpinea is a species of corticolous (bark-dwelling), crustose lichen in the family Lecanoraceae. It is a widely distributed species.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Rim lichen being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Lecanorales
Family
Lecanoraceae
Species
Glaucomaria carpinea

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