Lepra trachythallina (Erichsen) Lendemer & R.C. Harris

Syn.: Pertusaria laevigata (Nyl.) Arnold non (Th. Fr.) Anzi, Pertusaria trachythallina 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: a cool-temperate, perhaps circumpolar lichen found on smooth bark of deciduous trees, especially Fagus, in humid montane forests.
Austria: Tirol; Salzburg; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Unterwalden; Italy: Trentino Alto Adige; Slovenia: Alpine and Pre-Alpine Slovenia;