Basionym Name:Caloplaca insularis Poelt, Planta 51: 300 (1958)
Homotypic synonyms:Pachypeltis insularis (Poelt) Vondrák & I.V. Frolov, in Vondrák, Frolov, Davydov, Yakovchenko, Malíček, Svoboda & Kubásek, Phytotaxa 396(1): 28 (2019)