Key
Various authors
Species Count: 28
Aspleniaceae
Athyriaceae
Cystopteridaceae
Dennstaedtiaceae
Dryopteridaceae
Equisetaceae
Lycopodiaceae
Onocleaceae
Ophioglossaceae
Osmundaceae
Polypodiaceae
Pteridaceae
Selaginellaceae
Thelypteridaceae
Woodsiaceae