Rhizocarpon furax Poelt & V. Wirth

Lichenised.
Substrate:
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: on mineral-rich siliceous rocks near and above treeline, starting the life-cycle on the thalli of Lecidea lapicida s.lat.; certainly more widespread in the Alps.
Austria: ?Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Italy: Friuli; Trentino Alto Adige;