Basionym Name:Blastenia atrocyanescens Th. Fr., Lich. Scand. (Upsaliae)(2): 395 (1874)
Homotypic synonyms:Caloplaca atrocyanescens (Th. Fr.) H. Olivier, Mém. Soc. natn. Sci. nat. Cherbourg 37: 141 (1909)Lecanora atrocyanescens (Th. Fr.) Vain., Meddn Soc. Fauna Flora fenn. 6: 149 (1881)Lecidea atrocyanescens (Th. Fr.) Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 5 sér. 4: 9 (1914)Placodium atrocyanescens (Th. Fr.) Räsänen, Die Flecht. Estl. 1: 110 (1931)