Arthonia mediella Nyl.
Syn.: Arthonia globulosiformis (Hepp) Arnold, Arthonia sordaria Körb.
Lichenised.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a cool-temperate to boreal-montane, probably circumpolar species, living as an early coloniser of acid bark, most often of conifers, found both in humid Abies-Fagus forests and in open Larix stands; widespread throughout the Alps.
Austria: Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Switzerland: Glarus; Graubünden; Luzern; Schwyz; Ticino; Uri; Vaud; Valais; France: Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;
