Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
   Subphylum Agaricomycotina Doweld (2001)
     Class Agaricomycetes Doweld (2001)
       Order Agaricales Underw. (1899)
         Family Hymenogastraceae De Toni (1888)
           Genus Psilocybe (Fr.) P. Kumm. (1871), nom. cons.