Sphaerophorus fragilis (L.) Pers.
Syn.: Lichen fragilis L.
Lichenised.
Substrate: siliceous rocks, acidic soil (mostly on siliceous substrata)
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 to boreal-montane, circumpolar lichen of siliceous rocks and mineral soil in very rainy areas, with optimum near or above treeline.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Uri; Valais; France: Haute-Alpes; Savoie; Haute-Savoie; Italy: Friuli; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;
