Umbilicaria nylanderiana (Zahlbr.) H. Magn.

Umbilicaria nylanderiana (Zahlbr.) H. Magn.

Syn.: Gyrophora corrugata (Ach.) Lamy nom.illeg., Gyrophora nylanderiana Zahlbr., Umbilicaria corrugata (Ach.) Nyl.

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: an arctic-alpine, probably circumpolar lichen found on the top of isolated siliceous boulders, most frequent above treeline.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;

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