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

Athyrium filix-femina subsp. cyclosorum (L.) Roth
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

Distribution of Athyrium filix-femina subsp. cyclosorum
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Deciduous perennial arising from a short, stout rhizome.

Leaves:
Numerous, in vase-like tufts, 30-180 cm long, 10-70 cm wide, broadly lanceolate, broadest in the middle and gradually narrowed both to the base and to the top, 2-pinnate with pinnae divided into numerous ultimate segments.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to wet alluvial forests, glades, streambanks, gullies, slidetracks, meadows, swamps and rock outcrops from the lowland and steppe to alpine zones; common throughout BC; amphiberingian, N to AK, YT and NT, E to NF and S to SD, NM, AZ and CA; E Asia.

Source: The Illustrated Flora of British Columbia

Additional Notes

An elegant pale green native fern eventually reaching four feet in height. Deciduous. Easy to grow in shady locations in average to moist soils.

Note Author: Gary Lewis, Phoenix Perennials

Climate

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.

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Athyrium alpestre var. cyclosorum (Rupr.) T. Moore
Athyrium angustum var. boreale Jennings
Athyrium angustum var. elatius (Link) Butters
Athyrium cyclosorum
Athyrium filix-femina var. californicum Butters
Athyrium filix-femina var. cyclosorum (Rupr.) Ledeb.
Athyrium filix-femina var. sitchense (Rupr.) Ledeb.

Taxonomic and Nomenclatural Links

Flora North America treatment for Dryopteridaceae
Flora North America treatment for Athyrium filix-femina
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2022-06-30 6:08:44 PM ]

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