Basionym Name:Parmelia isidioides Borrer ex Hook. & Sowerby, in Hooker & Sowerby, Suppl. Engl. Bot. 3: tab. 2808 (1843)
Homotypic synonyms:Borrera isidioides (Borrer ex Hook. & Sowerby) Mudd, Man. Brit. Lich.: 107 (1861)Caloplaca isidioides (Borrer ex Hook. & Sowerby) H. Olivier, Mém. Soc. natn. Sci. nat. Cherbourg 37: 31 (1909)Lecanora isidioides (Borrer ex Hook. & Sowerby) Leight., Lich.-Fl. Great Brit.: 224 (1871)Rinodina isidioides (Borrer ex Hook. & Sowerby) H. Olivier, Mém. Soc. natn. Sci. nat. Cherbourg 37: 186 (1909)Squamaria isidioides (Borrer ex Hook. & Sowerby) Sm., in Smith & Sowerby, Engl. bot., Edn 2 11: 9 (1844)