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
             ?Family Lindsaeaceae C.Presl ex M.R.Schomb. (1848) - lindsaeoids
               1 Genus Cystodium J.Sm. (1841), nom. cons.
               2 Genus Lindsaea Dryander ex Sm. (1793)
               3 Genus Lonchitis L. (1753)
               4 Genus Odontosoria Fée (1852)
               5 Genus Ormoloma Maxon (1933) see Genus Lindsaea Dryander ex Sm. (1793)
               6 Genus Sphenomeris Maxon (1913), nom. cons.
               7 Genus Tapeinidium (C.Presl) C.Chr. (1906)
               8 Genus Xyropteris K.U.Kramer (1958)