Best. Europ. Flecht. (Vaduz): 172 (1969).

Basionym: Lecanora pyracea f. borealis Vain., Meddn Soc. Fauna Flora fenn. 6: 146 (1881).

Lectotype H, Vainio, 1877 (Designated by Wetmore, Bryologist 110(4): 804. 2007) [Finland, Russia]