| Aspleniaceae (Spleenwort Family) |
| Athyriaceae (Lady Fern Family) |
| Cystopteridaceae (Bladder Fern Family) |
| Dennstaedtiaceae (Dennstaedtia Family) |
| Dryopteridaceae (Wood Fern Family) |
| Equisetaceae (Horsetail, Scouring Rush Family) |
| Marsileaceae (Water Clover Family) |
| Pteridaceae (Maidenhair Fern Family) |
| Salviniaceae (Floating Fern Family) |
| Woodsiaceae (Cliff-fern Family) |