Stereocaulon plicatile (Leight.) Fryday & Coppins
Syn.: Lecidea plicatilis Leight., Rhizocarpon plicatile (Leight.) A.L. Sm., Rhizocarpon rubescens Th. Fr.
Lichenised.
Substrate: 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: on siliceous rocks and pebbles in damp habitats with a late snow cover, either on vertical surfaces of north-facing rocks or on stones and pebbles near snow beds; in the study area only recorded from the Eastern Alps (Austria, Italy).
Austria: ?Vorarlberg; Tirol; Kärnten; Steiermark; Italy: Trentino Alto Adige;