Rhizocarpon lavatum (Fr.) Hazsl.
Syn.: Lecidea atroalba auct. var. lavata Fr., Rhizocarpon obscuratum (Ach.) A. Massal. f. lavatum (Fr.) Th. Fr., Rhizocarpon orphninum (Vain.) Vain., Rhizocarpon perlutum (Nyl.) Zahlbr. non auct.
Lichenised.
Substrate: siliceous rocks, intermediate rocks (such as calciferous schists), ,
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a cool-temperate to arctic-alpine, circumpolar lichen found on perennially humid siliceous rocks, e.g. in mountain rivulets, or on small pebbles on moist ground; related to Rh. obscuratum; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Schwyz; Ticino; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Var; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;