Filicopsida

• Dryopteridaceae

  Alternative names for one of a number of families into which the family Polypodiaceae...

• Thelypteridaceae

  Genera Thelypteris, Phegopteris, and others.

• Schizaeaceae

  Small family of mainly tropical ferns.

• Marsileaceae

  Clover ferns.

• Salviniaceae

  Water ferns.

• Dennstaedtiaceae

  One of a number of families into which Polypodiaceae has been subdivided in some...

• Lomariopsidaceae

  Small family of usually scandent ferns.

• Cyatheaceae

  Tropical tree ferns.

• Davalliaceae

  One of a number of families into which Polypodiaceae has been subdivided in some classification...

• Lophosoriaceae

  Very small family of tree ferns.

• Loxomataceae

  Very small family of New Zealand ferns.

• Adiantaceae

  Used in some classification systems for some genera of the family Polypodiaceae (or...

• Cryptogrammataceae

  One of a number of families into which the family Polypodiaceae has been subdivided...

Filicales

• Polypodiaceae

  Ferns: a large family that in some classification systems has been subdivided into...

• Pteridaceae

  One of a number of families into which the family Polypodiaceae has been subdivided...

• Blechnaceae

  One of a number of families into which the family Polypodiaceae has been subdivided...

• Gleicheniaceae

  A family of ferns belonging to order Filicales.

• Aspleniaceae

  One of a number of families into which Polypodiaceae has been subdivided in some classification...

• Dicksoniaceae

  Tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans.

• Osmundaceae

  Large family of ferns widely distributed in temperate and tropical areas.

• Oleandraceae

  One of a number of families into which Polypodiaceae has been subdivided in some classification...

• Hymenophyllaceae

  Terrestrial (hygrophytic) or epiphytic ferns: filmy ferns.

• Parkeriaceae

  Coextensive with the genus Ceratopteris; sometimes included in family Polypodiacea...

• Vittariaceae

  One of a number of families into which Polypodiaceae has been subdivided in some classification...

• Azollaceae

  Used in some classifications for the genus Azolla.

Psilophytales

• Rhyniaceae

  Primitive plants of the Paleozoic.

• Psilophytaceae

  Paleozoic plants.

Also contains

• Ophioglossaceae

  A family of succulent ferns of order Ophioglossales; cosmopolitan in distributi...

• Marattiaceae

  Constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic...

• Lycopodiaceae

  A family of ferns belonging to the order Lycopodiales.

• Selaginellaceae

  Lesser club mosses: terrestrial chiefly tropical plants resembling mosses.

• Isoetaceae

  Quillworts; coextensive with the genus Isoetes.

• Psilotaceae

  Small family of lower ferns having nearly naked stems and minute scalelike leaves.

• Equisetaceae

  Sole surviving family of the Equisetales: fern allies.

• Lepidodendraceae

  Fossil plants characterized by conspicuous spirally arranged leaf scars on the...