Taxonomische Synonyme: Polyporus borealis Fr., Systema Mycologicum 1: 366 (1821) [MB182552] Climacocystis borealis (Fr.) Kotl. & Pouzar, Ceská Mykol. 12 (2): 96 (1958) [MB295099] Leptoporus borealis (Fr.) Pilát, Atlas Champ. Eur., Polypor., B: 234 (1938) [MB258684] Spongipellis borealis (Fr.) Pat., Essai taxonomique sur les familles et les genres des Hyménomycètes: 84 (1900) [MB445730] Abortiporus borealis (Fr.) Singer, Mycologia 36 (1): 68 (1944) [MB283906] Tyromyces borealis (Fr.) Imazeki, Bulletin of the Tokyo Science Museum 6: 84 (1943) [MB307271] Heteroporus borealis (Fr.) Bondartsev & Singer, Annales Mycologici 39 (1): 62 (1941) [MB298432] Bjerkandera borealis (Fr.) P. Karst., Acta Societatis pro Fauna et Flora Fennica 2 (1): 29 (1881) [MB468213] Boletus borealis (Fr.) Wahlenb., Flora suecica 2: 956 (1826) [MB215625] Daedalea borealis (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 184 (1886) [MB468995] Postia borealis (Fr.) P. Karst., Meddelanden af Societas pro Fauna et Flora Fennica 5: 40 (1879) [MB473009] Polystictus borealis (Fr.) Gillot & Lucand, Cat. Champ. sup. Saône-et-Loire (1890) [MB472929] Polyporus piceus Velen., Ceske Houby 4-5: 645 (1922) [MB473248] Polyporus pacificus Kauffman, Papers of the Michigan Academy of Sciences 11: 178 (1930) [MB273250] Grifola pacifica (Kauffman) Kauffman, Papers of the Michigan Academy of Sciences 11: 178 (1930) [MB469382] Bjerkandera irpicoides P. Karst., Acta Societatis pro Fauna et Flora Fennica 27 (4): 5 (1905) [MB140484] Polyporus irpicoides (P. Karst.) Sacc. & Trotter, Sylloge Fungorum 21: 275 (1912) [MB153143] Inonotus irpicoides (P. Karst.) Sacc., Sylloge Fungorum 21: 275 (1912) [MB469598] Polyporus ambiens (P. Karst.) Sacc. & Trotter, Sylloge Fungorum 21: 267 (1912) [MB167787] Tyromyces sibiricus Penzina & Ryvarden, Folia Cryptogamica Estonica 33: 109 (1998) [MB445501] Spongipellis sibirica (Penzina & Ryvarden) Penzina & Kotir., Annales Botanici Fennici 38 (3): 206 (2001) [MB485032] Loweomyces sibiricus (Penzina & Ryvarden) Spirin, Mycena 6: 23 (2006) [MB504917]