Rhizocarpon saanaense Räsänen

Syn.: Rhizocarpon sublucidum Räsänen
Lichenised.
Substrate: siliceous rocks, intermediate rocks (such as calciferous schists)
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: an arctic-alpine, probably circumpolar lichen found on slightly calciferous siliceous rocks with a late snow cover, with optimum above treeline.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: Oberbayern; Switzerland: Bern; Graubünden; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Savoie; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;