Chainferns of the Cascade Mountains of Oregon and Washington

Deer Ferns: The Genus Struthiopteris (formerly the Genus Blechnum) -

Deer Fern: Struthiopteris spicant (Synonyms: Blechnum spicant, Blechnum spicant ssp. nipponicum) -

Chain Ferns: The Genus Woodwardia -

Chain Fern, Giant Chain Fern, Giant Chain-fern: Wodwardia fimbriata -