Superkingdom Eukaryota Whittaker & Margulis, 1978 see Domain Eukaryota Chatton, 1925
Count: -
   Kingdom Chlorobiota Jeffrey (1971), nom. inval. see Kingdom Chlorobiota C.Jeffrey ex Doweld (2001)
  Count: -
     Subkingdom Streptobionta see [unranked] Streptophytina Lewis & McCourt (2004)
    Count: -
       Infrakingdom Embryobiotes
      Count: -
         Superdivision Polysporangiomorpha
        Count: -
           Division Tracheophyta see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
          Count: -
             Subdivision Euphyllophytina
            Count: -
               Infradivision Moniliformopses Kenrick & P.R.Crane (1997), nom. inval. - monilophytes see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
              Count: [*†*] 2c; †1c [5 Sep 2022]
                 Class Filicopsida C.Agardh (1822), sedis mutabilis - ferns see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
                Count: -
                   1 Subclass Ophioglossidae Klinge (1882), sedis mutabilis
                  Count: -
                   2 Subclass Psilotidae Reveal (1996), sedis mutabilis see Subclass Ophioglossidae Klinge (1882)
                  Count: -
                   3 Subclass Marattiidae Klinge (1882), sedis mutabilis
                  Count: -
                   4 Subclass Polypodiidae Cronquist, Takht. & Zimmerm. (1966), sedis mutabilis
                  Count: -