Pertusaria constricta Erichsen

Lichenised.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: on smooth bark, especially of Quercus and Fagus; probably more widespread in the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Glarus; St. Gallen; Schwyz; Uri; Unterwalden; Valais; France: Var; Italy: Lombardia; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;