Rhizocarpon pusillum Runemark
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: an arctic-alpine, circumpolar lichen related to Rh. effiguratum, found on exposed surfaces of hard siliceous rocks, starting the life-cycle on species of Sporastatia.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Switzerland: Graubünden; Ticino; Uri; Valais; France: Haute-Alpes; Alpes-Maritimes; Haute-Savoie; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte;
