life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
         Infrakingdom Cormophyta Caval.-Sm. (1998) - embryophytes see Subkingdom Viridaeplantae Cavalier-Sm. (1981)
           Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants
             Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) [paraphyletic] - pteridophytes see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
               Infraphylum Lycophytae (auct.) Cavalier-Sm. (1998) see Subphylum Lycophytina "Banks, 1968"
                 1 Genus Lepidodendron Sternb. (1820)
                 2 Genus Selaginella P.Beauv. (1805), nom. cons.
                 3 Genus Isoetes L. (1753) see Genus Isoëtes L. (1753)