living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Eumycota see Kingdom Eumycota
           Subdivision Basidiomycotina see Phylum Basidiomycota R.T.Moore (1980)
             Class Hymenomycetes Fr. (1821)
               Order Agaricales Underw. (1899)
                 Family Fistulinaceae Lotsy (1907)
                   1 Genus Pseudofistulina O. Fidalgo & M. Fidalgo (1963)
                   2 Genus Fistulina Bull. (1791), nom. sanct. - beefsteak fungus