Psorotichia diffracta

Crustose saxicolous on calcareous rocks.
Note:  thallus areolate, homoiomerous, pseudoparenchymatous. Areoles 0.15-0.6 mm wide, black to dull dark green, but most often densely blue-grey-pruinose. Apothecia semi-immersed, usually 1 or rarely 2 per areole, concave, dark brown-red disc.

Lithology: limestone
Altitude: 80 m
Municipality: Enix