Lecidea speirodes Nyl.

Syn.: Lecidea contigua (Hoffm.) Fr. var. subcretacea Arnold, Lecidea decorosa Arnold, Lecidea subcretacea (Arnold) P. Syd., Lecidea subumbonata sensu Arnold et Lettau non Nyl.
Lichenised.
Substrate: intermediate rocks (such as calciferous schists), siliceous rocks
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a lichen known from the central and southern European mountains (Alps, Pyrenees, Cordillera Cantabrica in Spain, Tatra) found on steeply inclined, superficially decalcified calciferous rocks or on lime-containing siliceous rocks.
Austria: Vorarlberg; Tirol; Germany: Schwaben; Switzerland: Bern; Graubünden; Schwyz; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Haute-Savoie; Vaucluse; Italy: Trentino Alto Adige; Piemonte; Valle d'Aosta; Liguria;