Thelidium pertusatii (Garov.) Jatta

Syn.: Verrucaria pertusatii Garov.
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 alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: amphibious on frequently wetted siliceous rocks in alpine rivers and irrigated rocks. Type material on granite, near a creek.
Austria: Salzburg; Kärnten; France: Alpes-Maritimes; Italy: Trentino Alto Adige; Piemonte; Valle d'Aosta;