Phylum [Tracheophyta] Sinnott ex Caval.-Sm. (1998) - vascular plants
Status: extant; Count: [*] 2c;14o;51f;337g
   Subphylum Polypodiophytina Reveal (1996) [monotypic]
  Status: extant; Count: [*] 1c;11o;48f;319g [26 Jun 2023]
     Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
    Status: extant; Count: [*] 11o;48f;319g [26 Jun 2023]
       Subclass Polypodiidae Cronquist, Takht. & Zimmerm. (1966)
      Status: extant; Count: [*] 7o;44f;300g [26 Jun 2023]
         Order Osmundales Bercht. & J.Presl (1820) [monotypic]
        Status: extant; Count: [*] 1f;6g [16 Jun 2023]
           Family Osmundaceae Martinov (1820)
          Status: extant; Count: [*] 6g [16 Jun 2023]
             Genus Osmundastrum C.Presl
            Status: extant; Count: -