Phaeocalicium compressulum (Nyl. ex Vain.) A.F.W. Schmidt
Syn.: Mycocalicium praecedens (Nyl.) Szatala var. compressulum Nyl. ex Vain.
Non- or doubtfully lichenised.
Substrate: bark
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: saprobic on Alnus viridis; widespread throughout the Alps and locally very common, with optimum in the subalpine belt.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Schwyz; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia; Liechtenstein