Germany, Rhineland-Palatinate, Central Eifel Mountains ("Kyllburger Waldeifel"), District of Gerolstein, in direction of the River Kyll between Hundsbachtal and Lissingen
380-410 meters
380-410 m.
steep grassy hillside, on coarse-grained, vertical or overhanging ledges and terraces of basaltic tufa, associated with Lecanora rupicola (Huds.) Hafelln. etc., NO-SO exposition, abundant