Clauzadea metzleri (Körb.) Clauzade & Cl. Roux ex D. Hawksw.

Syn.: Biatora metzleri Körb., Biatora oolithina (Nyl.) Arnold, Lecidea metzleri (Körb.) Th. Fr., Lecidea oolithina Nyl., Protoblastenia metzleri (Körb.) J. Steiner
Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a mainly temperate, holarctic early coloniser of small calcareous pebbles in dry grasslands; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Oberösterreich; Germany: Oberbayern; Schwaben; Switzerland: Luzern; Schwyz; Vaud; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia;