Lecanora crenulata

Lecanora crenulata vs. Lecanora dispersa (top image)

Crustose endolithic saxicolous, on calcareous rocks and lapidicolous.
Note: epithecium brown, spores colorless, ellipsoidal, 9-13 x 4-6 micras:
Lithology: limestone
Altitude: 1.700 m
Municipality: Felix