Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr.

Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr.

Syn.: Buellia badioatra (Flörke ex Spreng.) Mudd var. vulgaris Körb., Catocarpus badioater (Flörke ex Spreng.) Arnold, Catocarpus badioater (Flörke ex Spreng.) Arnold var. vulgaris (Körb.) Arnold, Lecidea badioatra Flörke ex Spreng., Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr. var. vulgare (Körb.) Th. Fr., Rhizocarpon rivulare (Flot.) Körb.

Lichenised.

Substrate: siliceous rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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 holarctic early coloniser of siliceous pebbles and small boulders near the ground, with a wide altitudinal range; widespread throughout the Alps.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Schwyz; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;

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