Altitudinal distribution: alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a species resembling in habitus a juvenile Miriquidica plumbea, with a bluish-grey, areolate thallus on a black hypothallus, apothecia (c. 0.3 mm in diam.) immersed in the thallus, usually 1 per areole, with a brown-black disc, 8-spored asci, and ellipsoid ascospores (18-20 × 9-10 μm); on siliceous rocks in the high-alpine belt; only known from the type locality in the Western Alps (Switzerland).
