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]
       Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
         core leptosporangiates
           Order Polypodiales Link (1833) - cathetogyrates
             eupolypods
               eupolypods I see Suborder Polypodiineae Dumort. (1829)
                 1 ?Family Dryopteridaceae Herter (1949), nom. cons. - dryopteroids
                 2.1 ?Family Lomariopsidaceae Alston (1956) - lomariopsids
                 2.2.1 ?Family Tectariaceae Panigrahi - tectarioids
                 2.2.2.1 Family Oleandraceae Ching ex Pic.Serm. (1965)
                 2.2.2.2.1 Family Davalliaceae M.R. Schomb. (1848) - davallioids
                 2.2.2.2.2 Family Polypodiaceae J.Presl & C.Presl (1822) - polygrams