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 Gleicheniales Link (1833) 10 Family Matoniaceae C.Presl (1847) - matonioids 11 Family Dipteridaceae Seward & E.Dale (1901) 12 Family Gleicheniaceae C.Presl (1825) - forking ferns