Hypogymnia bitteri (Lynge) Ahti
Syn.: Hypogymnia obscurata auct., Parmelia bitteri Lynge, Parmelia obscurata auct. et sensu Bitter
Lichenised.
Substrate: bark, lignum, acidic soil (mostly on siliceous substrata)
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: a cool-temperate to boreal-montane, circumpolar lichen found on acid bark, especially of conifers, occasionally on lignum and on siliceous rocks, with optimum near treeline; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Ticino; Uri; Unterwalden; Valais; France: Haute-Alpes; Alpes-Maritimes; Isère; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia; Liechtenstein