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 Embryobionta Cronquist, Takht. & W.Zimm.
         Division Lycopodiophyta D.H.Scott (1900) see Phylum Lycopodiophyta D.H.Scott (1900)
           1 Subdivision Lycopodiopsida Bartl. (1830) see Class Lycopsida
           1 Class Lycopodiopsida Bartl. (1830)
           2 Class Isoetopsida Rolle (1885) see Class Isoëtopsida Rolle (1884)
           2 Subdivision Isoetopsida see Class Lycopsida