[Ferns of the Cascade Mts. of Oregon and Washington]

Woodferns of the Cascade Mountains of Oregon and Washington

Dryopteridaceae

Spreading Woodfern, Spreading Wood Fern, Northern Woodfern: Dryopteris expansa (Synonyms: Dryopteris assimilis, Dryopteris dilatata, Dryopteris dilitata var. americana, Nephrodium expansum)

Spreading Woodfern: Dryopteris expansa

The Lady Ferns: The Genus Athyrium

The Brittle Ferns: The Genus Cystopteris

Brittle Fern, Fragile Fern, Brittle Bladderfern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile) -

Woodferns: The Genus Dryopteris

The Oak Ferns: The Genus Gymnocarpium

Western Oak Fern, Pacific Oak Fern: Gymnocarpium disjunctum (Synonyms: Dryopteris disjuncta, Gymnocarpium dryopteris ssp. disjunctum, Gymnocarpium dryopteris var. disjunctum, Polypodium dryopteris, Polypodium dryopteris var. disjunctum) -

Common Oak Fern, Northern Oak Fern: Gymnocarpium dryopteris (Synonyms: Dryopteris linnaeana, Lastrea dryopteris, Phegopteris dryopteris, Thelypteris dryopteris)

The Sword Ferns: The Genus Polystichium

Anderson's Holly-fern, Anderson's Sword Fern, Vancouver Holly Fern: Polystichum andersonii -

California Sword-fern: Polystichum californicum -

Imbricate Sword Fern, Narrow-leaved Sword-fern: Polystichum imbricans ssp. imbricans -

Kruckeberg's Holly Fern, Kruckeberg's Holly-fern, Kruckeberg's Sword Fern: Polystichum kruckebergii -

Lemmon's Holly-fern, Shasta Fern: Polystichum lemmonii -

Mountain Holly Fern, Northern Holly Fern: Polystichum lonchitis -

Western Sword Fern, Common Sword Fern: Polystichum munitum -

Rock Sword Fern, Mountain Holly-fern: Polystichum scopulinum -

The Cliff Ferns: The Genus Woodsia

Oregon Cliff Fern, Western Cliff Fern: Woodsia oregana ssp. oregana -

Rocky Mountain Woodsia, Rocky Mountain Ciff Fern, Laurentian Cliff Fern: Woodsia scopulina ssp. scopulina -


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