Umbilicaria laevis (Schaer.) Frey

Umbilicaria laevis (Schaer.) Frey

Syn.: Agyrophora laevis (Schaer.) Llano, Gyrophora atropruinosa (Schaer.) L. Mangin var. laevis Schaer., Gyrophora laevis (Schaer.) Du Rietz

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 nival belt (above the lower limit of perennial snow and glaciers)

Note: on inclined, sun-exposed surfaces of siliceous rocks, generally in dry situations, with optimum above treeline.

Austria: Tirol; Kärnten; Steiermark; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;

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