Basionym Name:Buellia baltica Erichsen, Verh. bot. Ver. Prov. Brandenb. 72: 46 (1930)
Homotypic synonyms:Buellia aethalea f. baltica (Erichsen) Grummann, in Hillmann & Grummann, Krypt.-Fl. Brandenburg (Leipzig): 776 (1957)