Immersaria athroocarpa (Ach.) Rambold & Pietschm.

Syn.: Amygdalaria athroocarpa (Ach.) Clauzade & Cl. Roux, Lecidea athroocarpa (Ach.) Ach., Lecidella athroocarpa (Ach.) Arnold, Lichen athroocarpus Ach., Porpidia athroocarpa (Ach.) Hertel & Rambold
Lichenised.
Substrate: siliceous rocks, , metal-rich siliceous rocks
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a cool-temperate to arctic-alpine, chemically variable, circumpolar species found on siliceous, often iron-rich and weathered rocks in exposed situations, starting the life-cycle on species of Aspicilia s.lat.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Ticino; France: Alpes-Maritimes; Var; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;