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