organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
         Class Basidiomycetes G.Winter (1880)
           Subclass Agaricomycetidae Locq. ex Parmasto (1986)
             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)