The Spleenwort Family in the Cascade Mountains: Aspleniaceae
The Chain Fern Family in the Cascade Mountains: Blechnaceae
The Bracken Family in the Cascade Mountains: Dennstaedtiaceae
The Wood Fern Family in the Cascade Mountains: Dryopteridaceae (Sword ferns, lady ferns, bladder ferns, oak ferns, cliff ferns)
Grapeferns and Moonworts of the Cascade Mountains: Ophioglossaceae
The Polypody Family in the Cascade Mountains: Polypodiaceae
The Maidenhair Family in the Cascade Mountains: Pteridaceae (Lip ferns, rock-brakes, lace ferns)