Biatora efflorescens (Hedl.) Räsänen
Syn.: Biatora epixanthoidiza (Nyl.) Räsänen, Lecidea efflorescens (Hedl.) Erichsen, Lecidea epixanthoidiza Nyl., Lecidea helvola (Körb. ex Hellb.) Th. Fr. f. efflorescens Hedl.
Lichenised.
Substrate: bark, living mosses, lignum
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 probably holarctic lichen found on a wide variety of trees with smooth bark, sometimes overgrowing mosses, rarely on lignum, mostly in upland areas; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Schwyz; Ticino; Uri; Unterwalden; Valais; France: Isère; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd;