Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Hymenochaetales Oberw. (1977)
         Genus Tsugacorticium Nakasone & Burds. (2011), incertae sedis