Ionaspis lacustris (With.) Lutzoni

Syn.: Aspicilia fulvomellea (A.L. Sm.) Walt. Watson, Aspicilia lacustris (With.) Th. Fr., Hymenelia lacustris (With.) M. Choisy, Lecanora fulvomellea A.L. Sm., Lecanora lacustris (With.) Nyl., Lichen lacustris With.
Lichenised.
Substrate:
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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 cool-temperate to arctic-alpine, circumpolar species found on siliceous rocks, periodically submerged in mountain creeks.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Schwyz; Valais; France: Alpes-Maritimes; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;