Buellia leptolepis Bagl. & Carestia

Syn.: Karschia leptolepis (Bagl. & Carestia) Arnold, Karschia saxatilis (Schaer.) Rehm f. leptolepis (Bagl. & Carestia) Keissl.
Lichenised. Poorly known taxon.
Substrate:
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: a parasite of crustose Lecanoraceae; hitherto known from the Alps and Scandinavia; perhaps a synonym of B. ectolechioides.
Austria: Tirol; Switzerland: Valais; Italy: Piemonte; Valle d'Aosta;