Pertusaria sommerfeltii (Sommerf.) Fr.
Syn.: Endocarpon sommerfeltii Sommerf., Pertusaria angusticollis Anzi, Pertusaria melastoma Nyl.
Lichenised.
Substrate: bark
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 circumpolar, subarctic-subalpine to boreal-montane lichen found on smooth bark of subalpine shrubs.
Austria: Vorarlberg; Tirol; Salzburg; Steiermark; Oberösterreich; Germany: Oberbayern; Schwaben; Switzerland: Graubünden; Luzern; St. Gallen; Uri; Unterwalden; France: Haute-Alpes; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Valle d'Aosta;
