plants Haeckel (1866) - plants
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004)
       Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
         Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
           [Ferns]
             Subclass Polypodiidae Cronquist, Takht. & Zimmerm. (1966)
               Order Polypodiales Link (1833) - cathetogyrates
                 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