Toninia tristis (Th. Fr.) Th. Fr. subsp. asiae-centralis (H. Magn.) Timdal
Syn.: Lecidea asiae-centralis H. Magn.
Lichenised.
Substrate: calciferous rocks, calciferous soil
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: on calciferous rocks and soil; despite the name, this subspecies is widespread also in Southern and Central Europe, with scattered outposts north to Greenland.
Austria: Tirol; Switzerland: Graubünden; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Vaucluse; Var; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte;