Arthonia atra (Pers.) A. Schneid.

Arthonia atra (Pers.) A. Schneid.

Syn.: Opegrapha atra Pers., Opegrapha denigrata Ach., Opegrapha fuliginosa Pers. ex Ach., Opegrapha salicina A. Massal., Opegrapha stenocarpa Ach.

Lichenised.

Substrate: bark

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: mainly on smooth bark of deciduous trees, widespread and often common throughout the Alps, below the subalpine belt.

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

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