Verrucula protearia (Zehetl.) Nav.-Ros. & Cl. Roux

Syn.: Verrucaria protearia Zehetl.
Lichenised.
Substrate:
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: parasitic on Caloplaca proteus.
Austria: Tirol; Steiermark; Germany: Oberbayern; Switzerland: Graubünden; France: Haute-Savoie; Italy: Trentino Alto Adige;