Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Boletales E.-J. Gilbert (1931)
         Family Suillaceae Besl & Bresinsky (1997)
           1 Genus Psiloboletinus Singer (1945)
           2 Genus Suillus P. Micheli ex Adans. (1763)
           3 Genus Truncocolumella Zeller (1939)