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 Lycopodiophyta D.H.Scott (1900) see Phylum Lycopodiophyta D.H.Scott (1900)
        Count: [g] 2c;3o;3f;4g
           Subdivision Isoetopsida see Class Lycopsida
          Count: [g] 2o;2f;2g
             Order Isoetales Prantl (1874) - quillworts see Order Isoëtales Prantl (1874)
            Count: [g] 1f;1g
               Family Isoetaceae Rchb. (1828) see Family Isoëtaceae Rchb. (1828)
              Count: [g] 1g
                 Genus Isoetes L. (1753) see Genus Isoëtes L. (1753)
                Count: -