Calicium lucidum (Th. Fr.) M. Prieto & Wedin
Syn.: Acolium lucidum (Th. Fr.) Rabenh., Acolium viridulum Schaer., Calicium virellum Nyl., Cyphelium lucidum (Th. Fr.) Th. Fr., Trachylia lucida Th. Fr.
Lichenised.
Substrate: bark, lignum
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: a mainly boreal-montane, circumpolar species found on old conifers in humid, open forests with frequent fog; widespread in the Alps, but only locally common.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Germany: Schwaben; Switzerland: Bern; Graubünden; Schwyz; Ticino; Uri; Unterwalden; Italy: Veneto; Trentino Alto Adige; Lombardia;