Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Polyporales Gäum. (1926)
         Genus Roseograndinia Hjortstam & Ryvarden (2005), incertae sedis