Phylum [Tracheophyta] Sinnott ex Caval.-Sm. (1998) - vascular plants
   Subphylum Polypodiophytina Reveal (1996) [monotypic]
     Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
       Subclass Polypodiidae Cronquist, Takht. & Zimmerm. (1966)
         Order Polypodiales Link (1833) - cathetogyrates
           Suborder Dennstaedtiineae Schwartsb. & Hovenkamp (2016) [monotypic]
             Family Dennstaedtiaceae Lotsy (1909) - dennstaedtioids
               01 Genus Blotiella Tryon (1962)
               02 Genus Dennstaedtia Bernh. (1801)
               03 Genus Histiopteris (J.Agardh) J.Sm. (1875)
               04 Genus Hypolepis Bernh. (1805)
               05 Genus Leptolepia Prantl (1892)
               06 Genus Microlepia C.Presl (1836)
               07 Genus Monachosorum Kunze (1848)
               08 Genus Oenotrichia Copel. (1929)
               09 Genus Paesia J.St.-Hil. (1833)
               10 Genus Pteridium Gled. ex Scop. (1760), nom. cons. - bracken