living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Count: [c] 2k;51p;154c;900o;7001f;17,209g;4300s;33ss;8v; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
     Kingdom Plantae Haeckel (1866) - plants
    Count: [c] 13p;53c;305o;1235f;3790g;1067s;1ss;5v; †1o;3g
       Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
      Count: [c] 7p;17c;119o;597f;1673g;471s;4v; †1o;2g
         Division Magnoliophyta Cronquist, Takht. & Zimmerm. (1966) see Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
        Count: [f] 2c;83o;384f;1137g;267s;1v; †2g
           Class Magnoliopsida Brongn. (1843)
          Count: 64o;319f;924g;230s;1v; †2g
             Subclass Hamamelidae see Subclass Hamamelididae Takht. (1967)
            Count: [f] 11o;24f;45g;15s; †1g
               Order Fagales Engl. (1892)
              Count: [f] 3f;10g;3s
                 Family Fagaceae Dumort. (1829), nom. cons. - beech family
                Count: 4g;3s
                   Genus Castanea Mill. (1754) - chestnut trees
                  Count: -