Xanthoparmelia felkaensis (Gyeln.) Hale

Syn.: Parmelia conspersa (Ehrh. ex Ach.) Ach. var. alpigena Suza, Parmelia conspersa (Ehrh. ex Ach.) Ach. var. felkaensis Gyeln.
Lichenised. Poorly known taxon.
Substrate: siliceous rocks
Altitudinal distribution: alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a non-isidiate silicicolous species of the X. stenophylla-group, forming pulvinate thalli with short imbricate lobes, a brown to black lower surface, and crenate black margins becoming lobulated with age; widespread in Europe, but not always distinguished, with records also from the Eastern Alps (Austria).
Austria: Steiermark;