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 of the S. clopima-group with an areolate thallus surrounded by a paler prothallus, narrowly oblong, often 1-septate hymenial algae, and 2-spored asci; on dolomite in the high alpine belt; only recorded from the Swiss Alps.
