Basionym Name:Lichen insulatus Ramond, in Lamarck & de Candolle, Fl. franç., Edn 3 (Paris) 2: 375 (1805)
Homotypic synonyms:Lecanora frustulosa f. insulata (Ramond) Körb., Syst. lich. germ. (Breslau): 139 (1855)Lecanora insulata (Ramond) Steud., Nomencl. bot.: 236 (1824)Parmelia frustulosa var. insulata (Ramond) Fr., Lich. eur. reform. (Lund): 141 (1831)Placodium frustulosum var. insulatum (Ramond) Flot., Übers. Arbeiten Veränd. Schles. Ges. Vaterl. Kultur [27]: 118 (1850)