Basionym:
Hydnum paradoxum Schrad., Spicilegium Florae Germanicae: 179, t. 4:1 (1794) [MB#199725]
Obligate synonyms:
- Schizopora paradoxa (Schrad.) Donk, Persoonia 5 (1): 104 (1967) [MB#338860]
- Sistotrema digitatum Pers., Synopsis methodica fungorum: 553 (1801) [MB#202911]
- Hyphodontia paradoxa (Schrad.) Langer & Vesterh., Nordic J. Bot. 16 (2): 211 (1996) [MB#436324]
- Irpex paradoxus (Schrad.) Fr., Epicrisis Systematis Mycologici: 522 (1838) [MB#163406]
- Sistotrema paradoxum (Schrad.) Pers., Synopsis methodica fungorum: 553 (1801) [MB#440443]
- Xylodon versiporus f. paradoxus (Schrad.) Domanski, Fl. Polska, Grzyby (Mycota) 2: 51 (1965) [MB#350515]
- Lenzites paradoxa (Schrad.) Pat., J. Micrographie: 23 (1885) [MB#440056]
- Kneiffiella paradoxa (Schrad.) Zmitr. & Malysheva, Pyatnadtsataya Komi Respublikanskaya Molodezhnaya Nauchnaya Konferentsiya 2: 103 (2004) [MB#368242]
- Xylodon digitatus (Pers.) Gray, A natural arrangement of British plants 1: 649 (1821) [MB#505201]
- Schizopora paradoxa var. paradoxa (?) [MB#846229]
Taxonomic synonyms:
- Daedalea mollis Velen., Ceské Houby 4-5: 690 (1922) [MB#207975]
- Irpex daedaleaeformis Velen., Ceské Houby 4-5: 743 (1922) [MB#262760]
- Irpex porosolamellatus Rick, Iheringia 5: 187 (1959) [MB#332644]
- Poria albofulva Rick, Iheringia 7: 282 (1960) [MB#337505]
- Irpex decumbens Rick, Egatea 17: 211 (1932) [MB#251771]
- Hydnum obliquum Schrad., Spicilegium Florae Germanicae: 179 (1794) [MB#195480]
- Irpex obliquus (Schrad.) Fr., Elenchus Fungorum 1: 147 (1828) [MB#171379]
- Sistotrema obliquum (Schrad.) Alb. & Schwein., Conspectus Fungorum in Lusatiae superioris: 263 (1805) [MB#206489]
- Coriolus obliquus (Schrad.) Pat., Essai taxonomique sur les familles et les genres des Hyménomycètes: 94 (1900) [MB#468907]
- Xylodon obliquus (Schrad.) P. Karst., Acta Soc. Fauna Fl. Fenn. 2 (1): 31 (1881) [MB#472136]
- Polyporus obliquus (Schrad.) E.H.L. Krause, Mecklenburgs Basidiomyceten: 17 (1934) [MB#473803]
- Poria versipora f. obliqua (Schrad.) Kreisel, Die phytopathogenen Grosspilze Deutschlands: Basidiomycetes mit Ausschluss der Rostpilze und Brandpilze: 154 (1961) [MB#350111]
- Xylodon versiporus f. obliquus (Schrad.) Domanski, Fl. Polska, Grzyby (Mycota) 2: 51 (1965) [MB#350514]
- Hydnum pseudoboletus DC., Flore française 6: 37 (1815) [MB#221876]
- Xylodon pseudoboletus (DC.) Kuntze, Revisio generum plantarum 3 (3): 541 (1898) [MB#472142]
- Polyporus versiporus Pers., Mycologia Europaea 2: 105 (1825) [MB#374313]
- Poria versipora (Pers.) Lloyd, Mycol. Writ. 3 (35): 473 (1910) [MB#414475]
- Xylodon versiporus (Pers.) Bondartsev, The Polyporaceae of the European USSR and Caucasia: 128 (1953) [MB#307897]
- Schizopora versipora (Pers.) Teixeira, Revista Brasil. Bot. 9 (1): 44 (1986) [MB#131590]
- Agaricus versiporus (Pers.) E.H.L. Krause, Basidiomycetum Rostochiensium, Suppl. 4: 143 (1932) [MB#255810]
- Poria versipora (Pers.) Sacc., Syll. Fung. 6: 311 (1888) [MB#195829]
- Poria versipora (Pers.) Romell, Adapt. Antarct. Ecosys.: 63 (1966) [MB#337526]
- Poria versipora (Pers.) Romell: 15 (1926) [MB#531482]
- Poria eyrei Bres., Trans. Brit. Mycol. Soc. 3: 264 (1911) [MB#216343]
- Polyporus laciniatus Velen., Ceské Houby 4-5: 638 (1922) [MB#268784]
- Poria platensis Speg., Anales Mus. Nac. Hist. Nat. Buenos Aires Ser. 3, 1: 53 (1902) [MB#154417]
- Xylodon digitatum (Pers.) Gray (1821) [MB#440781]
- Poria membranicincta var. megalospora Rick, Iheringia 7: 278 (1960) [MB#350108]
- Irpex obliquus var. argillaceocinnamomeus Rodway & Cleland, Pap. & Proc. Roy. Soc. Tasmania 1930: 15 (1930) [MB#272571]
- Irpex obliquus f. labyrinthiformis Rodway & Cleland, Pap. & Proc. Roy. Soc. Tasmania 1930: 14 (1930) [MB#272570]
- Polyporus lacinatus Velen. (1922) [MB#277582]