Melanolecia transitoria (Arnold) Hertel
Syn.: Lecidea henricii Zahlbr., Lecidea subcaerulescens Arnold, Lecidea transitoria Arnold, Lecidea transitoria Arnold var. subcaerulescens (Arnold) Arnold, Tremolecia transitoria (Arnold) Hertel
Lichenised.
Substrate: calciferous 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 circumpolar, arctic-alpine lichen found on inclined to underhanging surfaces of calcareous rocks above treeline.
Austria: ?Vorarlberg; Tirol; Kärnten; Steiermark; Oberösterreich; Germany: Oberbayern; Switzerland: Graubünden; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Vaucluse; Italy: Veneto; Trentino Alto Adige; Piemonte;