Germany, Nordrhein-Westfalen, northern foothills of the Eifel Mountains, German-Belgian Nature Park, District of Euskirchen, Griesberg close to Mechernich
330-350 meters
330-350 m.
abandoned quarries of surface lead-mining, on sandy or gravelly loam crusts covering the lower parts of eroded bloques and walls of Triassic sandstone as well as on the surrounding ground, rarely associated with baeomyces rufus (Huds.) Rebent. or other representatives of the Stereocauletum condensati (Lagerf) Klem., SW exposition
1983 abundant, today decreasing as a result of reduced illumination caused by fast-growing deciduous wood.