Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a species overgrowing bryophytes, with a white, granular thallus reacting K+ yellow, small biatorine, finally convex, greenish-black apothecia with a hyaline hypothecium, conglutinated paraphyses, and ellipsoid ascospores which are mostly longer than 15 µm; in the study area only known from a single station in the Western Alps (France), at 1,910 m.
