life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Eucarya Woese, Kandler & Wheelis, 1990 see Domain Eukaryota Chatton, 1925
  Count: -
     Plantae Haeckel, 1866 see Clade Embryophyta Engler 1887 [Crane & Kenrick 1997], nom. cl. inval.
    Count: -
       viridophytes - green plants
      Count: -
         streptophytes
        Count: -
           charophytes see Phylum Charophyta Migula (1889)
          Count: -
             embryophytes - land plants see Superphylum Embryophyta Engl. (1887)
            Count: 1c;38o;7f;1g; †5o;35g
               core land plants
              Count: 1c;38o;7f;1g; †5o;35g
                 polysporangiophytes see Clade Polysporangiophyta Crane & Kenrick 1997, nom. cl. inval.
                Count: 1c;38o;7f;1g; †5o;35g
                   tracheophytes - vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
                  Count: 1c;38o;7f;1g; †5o;32g
                     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
                    Count: 1c;35o;7f;1g; †5o;15g
                       monilophytes - ferns see Clade Monilophyta Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
                      Count: 1c;7o; †5g
                         1 †"iridopterids"
                        Count: -
                         2.1.1 Psilotidae Reveal (1996) see Subclass Ophioglossidae Klinge (1882)
                        Count: -
                         2.1.2 Ophioglossidae Klinge (1882)
                        Count: -
                         2.2 †"zygopterids" see Order Zygopteridales Emberger (1944)
                        Count: -
                         2.3.1 Genus †Psaronius Cotta (1832)
                        Count: -
                         2.3.2 Marattiidae Klinge (1882)
                        Count: -
                         2.4 †"sphenophylls"
                        Count: -
                         2.5.1 Genus †Archaeocalamites Stur (1875)
                        Count: -
                         2.5.2 Genus †Calamites Brongn. (1828), nom. cons.
                        Count: -
                         2.5.3 Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
                        Count: -
                         2.6 †"cladoxylopsids"
                        Count: -
                         2.7 Genus †Stauropteris Binney (1872)
                        Count: -
                         2.8.1 Genus †Botryopteris B. Renault (1875), nom. illeg. see Genus Botryopteridium Doweld (2001)
                        Count: -
                         2.8.2 Polypodiidae Cronquist, Takht. & Zimmerm. (1966)
                        Count: 7o