Hypotrachyna laevigata (Sm.) Hale
Syn.: Lichen laevigatus Sm., Parmelia laevigata (Sm.) 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: a humid subtropical to mild-temperate lichen found in ancient, very humid forests, on mossy trunks and rocks, very much declining.
Austria: Vorarlberg; Tirol; Salzburg; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Luzern; Schwyz; Unterwalden; ?Valais; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;