Basionym: Polyporus vulgaris Fr., Systema Mycologicum 1: 381 (1821) [MB#355978] Obligate synonyms: - Poria vulgaris (Fr.) Cooke, Grevillea 14 (72): 109 (1886) [MB#473783] - Aporpium vulgare (Fr.) Bondartsev & Singer ex Bondartsev, The Polyporaceae of the European USSR and Caucasia: 163 (1953) [MB#292642] - Tyromyces vulgaris (Fr.) Bondartsev & Bondartseva, Bot. Zh. SSSR: 1695 (1960) [MB#340649] - Trametes vulgaris (Fr.) Pat. & Har., Journal de Botanique (Morot) 14: 239 (1900) [MB#101683] - Physisporus vulgaris (Fr.) Chevall., Flore Générale des Environs de Paris 1: 262 (1826) [MB#472345] - Skeletocutis vulgaris (Fr.) Niemelä & Y.C. Dai, Annales Botanici Fennici 34 (2): 135 (1997) [MB#443008] - Poria vulgaris (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 180 (1886) [MB#230428] - Cinereomyces vulgaris (Fr.) Spirin, Karstenia 45 (2): 106 (2005) [MB#365515] - Polystictus vulgaris (Fr.) Colenso, Transactions of the New Zealand Institute 26: 321 (1894) [MB#531325] Taxonomic synonyms: - Boletus cellulosus O.F. Müll., Fl. danica 4: fig. 716:1, f. 716:1 (1777) [MB#473707] - Boletus mucidus Spreng., Florae Halensis tentamen novum: 377 (1806) [MB#473443] - Boletus papyrae Schrank, Baierische Flora 2: 618, n. 1739 (1789) [MB#468310] - Boletus proteus Bolton, An History of Fungusses, Growing about Halifax App.: 166 (1792) [MB#462409] - Boletus papyraceus Schrank, Baierische Flora 2: 618, n. 1739 (1789) [MB#535536]