Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Polyporales Gäum. (1926)
         Family Polyporaceae Fr. ex Corda (1839)
           Genus Sparsitubus L.W. Hsu & J.D. Zhao (1980)