Page author: David Giblin
Gymnocarpium dryopteris
northern oak fern

Distribution: Occurring east of the Cascades crest in northeastern Washington; Alaska to northeastern Washington, east across Canada and the northern U.S., with disjunct populations scattered throughout western North America.

Habitat: Forest understory, often where moist

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


[none provided]

Accepted Name:
Gymnocarpium dryopteris (L.) Newman
Publication: Phytologist. 4: app. 24. 1851.

Synonyms & Misapplications:
Dryopteris linnaeana C. Chr. [Abrams, Peck]
Lastrea dryopteris (L.) Bory
Phegopteris dryopteris (L.) Fée
Polypodium dryopteris L.
Thelypteris dryopteris (L.) Slosson
Additional Resources:

PNW Herbaria: Specimen records of Gymnocarpium dryopteris in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Gymnocarpium dryopteris checklist entry.

OregonFlora: Gymnocarpium dryopteris information.

E-Flora BC: Gymnocarpium dryopteris atlas page.

CalPhotos: Gymnocarpium dryopteris photos.

USDA Plants: Gymnocarpium dryopteris information.

18 photographs:
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