Page author: Don Knoke
Gymnocarpium disjunctum
Pacific oak fern, western fern
WTU specimens
Other herbaria

Distribution: Circumboreal, extending south in North America to Oregon, Arizona and Virginia.

Habitat: Moist woods, streambanks and wet cliffs.

Origin: Native

Conservation Status: Not of concern


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Accepted Name:
Gymnocarpium disjunctum (Rupr.) Ching
Publication: Acta Phytotax. Sin. 10: 304. 1965. 1965.

Synonyms & Misapplications:
Dryopteris disjuncta (Rupr.) C.V. Morton
Gymnocarpium dryopteris (L.) Newman ssp. disjunctum (Rupr.) Sarvela
Gymnocarpium dryopteris (L.) Newman var. disjunctum (Rupr.) Ching [VPPNW1]
Polypodium dryopteris L. var. disjunctum Rupr.
Additional Resources:

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

WA Flora Checklist: Gymnocarpium disjunctum checklist entry.

E-Flora BC: Gymnocarpium disjunctum atlas page.

CalPhotos: Gymnocarpium disjunctum photos.

USDA Plants: Gymnocarpium disjunctum information.

16 photographs:
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