Lecidea scabridisca V. Wirth

Lichenised.
Substrate: siliceous rocks
Altitudinal distribution:
Note: a species with a greyish-brown to brown, areolate thallus, a medulla reacting K+ red, black apothecia with umbonate to gyrose discs, and a brown hypothecium; on siliceous rocks, mostly in boulder screes of the subalpine belt; in the study area so far known only from the Eastern Alps (Austria).
Austria: ?Tirol; Steiermark;