© Avelino Vieira
Description: Composed thallus, with a primary thallus formed by persistent scales. Podecia with the shape of a small bowl, totally corticated except in the apex, from where the grainy soredia are developed.
Habitat: Frequently over mosses where wet is accumulated.
Where to find in the Arouca Geopark: Adaúfe (PR3), Espiunca (PR 10), Póvoa Reguenga (PR 2), Povos (PR 4).