Flecht. Europ.: 689 (1860). Type locality: Switzerland, near Zürich, an beschatteten Alpenfindlingen, rough sandstone, P. Hepp, Hepp: Flechten Europas 689 (DBN, E, G, M no lectotype selected).
Type locality: Switzerland, near Zürich, an beschatteten Alpenfindlingen, rough sandstone, P. Hepp, Hepp: Flechten Europas 689 (DBN, E, G, M no lectotype selected).