E-Flora BC: Electronic Atlas of the Flora of British Columbia

Thelypteris nevadensis (Baker) Clute ex Morton
Nevada marsh fern (Sierra marsh fern)
Thelypteridaceae (Marsh Fern family)

Introduction to Vascular Plants

© Brian Klinkenberg  Email the photographer   (Photo ID #9453)

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Distribution of Thelypteris nevadensis
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Species Information

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Deciduous perennial arising from a creeping rhizome in small clusters.
Elliptic, 20-70 cm long, 5-15 cm wide, pinnately deeply divided; segments entire.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist gravel bars in the lowland zone (moist in summer, flooded in winter); rare in SW BC, known only from the Sooke River; S to ID and CA .

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Dryopteris nevadensis (Baker) Underw.
Dryopteris oregana C. Chr.
Lastrea oregana (C. Chr.) Copeland

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References