Acarospora sulphurata

Crustose saxicolous, slightly inclined surface on siliceous rocks, from 1.700 metres above sea level.
Note: thallus lobulate, 3 to 10 apothecia by squamule. Spores subglobose 3,5-5,5 x 2,5-3,5 micras:

Lithology: mica schist
Altitude: 2.000 m
Municipality: Gérgal