Basionym Name:Polyblastia intermedia Th. Fr., Nova Acta R. Soc. Scient. upsal.(vol. extra-ord. no. 8): 24 (1877)
Homotypic synonyms:Verrucaria intermedia (Th. Fr.) Vain., Meddn Soc. Fauna Flora fenn. 10: 170 (1883)