[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: [p] 7k;97p
   Superkingdom Eukaryota Whittaker & Margulis, 1978 see Domain Eukaryota Chatton, 1925
  Count: [p] 5k;66p
     Kingdom Plantae Haeckel (1866) - plants
    Count: [p] 8p
       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
      Count: [p] 6p
         Infrakingdom Streptophyta Caval.-Sm. (1993)
        Count: [*] 5p;26c;138o;1f [19 Aug 2022]
           Superphylum Embryophyta Engl. (1887) - land plants see Clade Embryophyta Engler 1887 [Mishler & Qiu 2020]
          Count: [*] 4p;20c;130o;1f [19 Aug 2022]
             Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants
            Count: [*] 7c;80o;1f [19 Aug 2022]
               Subphylum Polypodiophytina Reveal (1996) [monotypic]
              Count: [*] 1c;11o [18 Aug 2022]
                 Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
                Count: [*] 11o [18 Aug 2022]
                   Subclass Ophioglossidae Klinge (1882)
                  Count: [*] 2o [18 Aug 2022]
                     Order Ophioglossales Link (1833)
                    Count: -