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 smooth, greyish-green thallus, relatively large, reddish-brown apotheci, and submuriform, fusiform ascospores; on debris of calcareous schists; so far only known from the Eastern Alps, near treeline.