Big-disk pebble lichen (Porpidia macrocarpa)

Big-disk pebble lichen, a reference photo — Photo: This image was created by user zaca at Mushroom Observer, a source for mycological images.You can contact this user here. · CC BY-SA 3.0 (licence)

Porpidia macrocarpa is a species of saxicolous (rock-dwelling), crustose lichen in the family Lecideaceae.

Is it poisonous?

We have no record of Big-disk pebble 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

Lecidea lapicida
Porpidia crustulata
Rehmia reducta
Lecidella stigmatea
Lecidea tessellata
Buellia mamillana

Classification

Kingdom: Fungi
Phylum: Ascomycota
Class: Lecanoromycetes
Order: Lecideales
Family: Lecideaceae
Genus: Porpidia
Species: Porpidia macrocarpa

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