Basionym Name:Placodium sympageellum Vain., Ann. Univ., fenn. Aboënsis, Ser. A 2(3): 6 (1926)
Homotypic synonyms:Caloplaca sympageella (Vain.) Zahlbr., Cat. Lich. Univers. 8: 589 (1932)Gasparrinia sympageella (Vain.) C.W. Dodge, Beih. Nova Hedwigia 38: 113 (1971)