Kingdom Fungi R.T.Moore (1980) - fungi
   Subkingdom Dikarya Hibbett, T.Y. James & Vilgalys (2007)
     Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
       Subphylum Agaricomycotina Doweld (2001)
         Class Agaricomycetes Doweld (2001)
           Order Polyporales Gäum. (1926), incertae sedis
             1 Genus Polyporus P. Micheli ex Adans. (1763), nom. sanct.
             2 Genus Fomitopsis P.Karst. (1881)
             3 Genus Phanerochaete P.Karst. (1889)