[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       "Moniliformopses" Kenrick & P.R.Crane (1997), nom. inval. - ferns see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
         Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
           Order Osmundales Bercht. & J.Presl (1820)
             Family Osmundaceae Martinov (1820)
               1 Genus Leptopteris C.Presl (1845)
               2 Genus Osmunda L. (1753)
               3 Genus Todea Willd. ex Bernh. (1801)