Spain, Segovia, Castilla la Nueva, Cordillera Central; Sierra de Guadarrama, on the northwestern hillside of Monte PeƱalara
900-1100 meters
900-1100 m.
open juniper-oak wood, closely connected with (and difficult to remove from) the rough bark of trunks and branches of Quercus rotundifolia Lam., occasionally accompanied by Parmelina pastillifera (Harm.) Hale, N-NW exposition