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 II see Suborder Aspleniineae H.Schneid. & C.J.Rothf. (2016)
                 ?Family Woodsiaceae Herter (1949) - lady ferns
                   01 Genus Athyrium Roth (1799)
                   02 Genus Diplazium Sw. (1801)
                   03 Genus Acystopteris Nakai (1933)
                   04 Genus Cheilanthopsis Hieron. (1920) see Genus Woodsia R.Br. (1810)
                   05 Genus Cornopteris Nakai see Genus Athyrium Roth (1799)
                   06 Genus Cystopteris Bernh. (1805)
                   07 Genus Deparia Hook. & Grev.
                   08 Genus Diplaziopsis C.Chr.
                   09 Genus Gymnocarpium Newman (1851)
                   10 Genus Hemidictyum C.Presl (1836)
                   11 Genus Homalosorus Small ex Pic. Serm.
                   12 Genus Protowoodsia Ching (1945) see Genus Woodsia R.Br. (1810)
                   13 Genus Pseudocystopteris Ching (1964) see Genus Cystopteris Bernh. (1805)
                   14 Genus Rhachidosorus Ching (1964)
                   15 Genus Woodsia R.Br. (1810)