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 (eupolypods) Suborder Polypodiineae Dumort. (1829) Family Dryopteridaceae Herter (1949), nom. cons. - dryopteroids Subfamily Polybotryoideae H. M. Liu & X. C. Zhang Genus Polystichopsis (J.Sm.) Holttum (1947)