with E. Barreno et G. Follmann; - Pertusaria discoidea (Pers.) Malme, G. O. Malme: Svensk. Bot. Tidskr. 20, 57 (1926). - Pertusaria orbiculata (Pers.) Zahlbr., A. Zahlbruckner: Catal. Lich. Univ. V, 187 (1928)
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A. Crespo, E. Barreno et G. Follmann
591
1974-11-00 - 1974-11-01
1974-11
Spain, Madrid, Cordillera Central, Castilla la Vieja; southern foothills of the Montes Carpetanos, east of Montejo de la Sierra ("Hayedo de Montejo")
1500 meters
1500 m.
natural beech wood in a small glen, on half-shaded fissured bark of old-growth Fagus sylvatica L., occasionally associated with Dendriscocaulon umhausense (Auersw.) Degel., Parmelia pastillifera (Harm.) Hale, Physconia venusta (Ach.) Poelt etc. (Parmelinetum quercinae [Crespo] Follm.), SE-SW exposition