Flora Europaea Haeckel (1866) - plants
   [Pteridophyta] Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
     Family Lycopodiaceae P.Beauv. ex Mirb. (1802) - clubmosses
     Family Selaginellaceae Willk. (1854)
     Family Isoetaceae Rchb. (1828) see Family Isoëtaceae Rchb. (1828)
     Family Equisetaceae Michx. ex DC. (1804) - horsetails
     Family Ophioglossaceae Martinov (1820) - ophioglossoids
     Family Osmundaceae Martinov (1820)
     Family Sinopteridaceae Koidz. see Subfamily Cheilanthoideae Horvat (1927)
     Family Adiantaceae Newman (1840), nom. cons. - maidenhairs see Subfamily Adiantoideae Horvat (1927)
     Family Cryptogrammaceae Pic.Serm. see Family Pteridaceae E.D.M.Kirchn. (1831)
     Family Gymnogrammaceae see Family Adiantaceae Newman (1840), nom. cons.
     Family Dicksoniaceae M.R.Schomb. (1848), nom. cons. - dicksonioids
     Family Hypolepidaceae Pic.Serm. (1970) see Family Dennstaedtiaceae Lotsy (1909)
     Family Davalliaceae M.R. Schomb. (1848) - davallioids
     Family Hymenophyllaceae Mart. (1835) - filmy ferns
     Family Thelypteridaceae Ching ex Pic.Serm. (1970) - thelypteroids
     Family Aspleniaceae Newman (1840) - spleenworts
     Family Athyriaceae Alston (1956)
     Family Aspidiaceae Mett. ex A.B.Frank see Family Dryopteridaceae Herter (1949), nom. cons.
     Family Elaphoglossaceae Pic.Serm. (1968) see Family Dryopteridaceae Herter (1949), nom. cons.
     Family Blechnaceae Newman (1844) - blechnoids
     Family Polypodiaceae J.Presl & C.Presl (1822) - polygrams
     Family Marsileaceae Mirb. (1802) - clover ferns
     Family Salviniaceae Martinov (1820) - floating ferns
     Family Azollaceae Wettst. (1903) see Family Salviniaceae Martinov (1820)
     Family Pteridaceae E.D.M.Kirchn. (1831) - pteroids