Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a species with a thin, green-black, areolate thallus composed of minute, plane areoles and small black apothecia which are concave at first. later plane and with persistent margins, in section with a brown-violet hypothecium and an emerald-green epihymenium, ascospores small and broadly ellipsoid; based on a type from the Pyrenees, on granite at high elevation, with a single record from the Eastern Alps (Austria), which needs confirmation.
