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

Athyrium filix-femina subsp. cyclosorum (L.) Roth (Rupr.) C. Chr.
lady fern (subarctic ladyfern)
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

© Jim Riley  Email the photographer   (Photo ID #416)

E-Flora BC Static Map
Distribution of Athyrium filix-femina subsp. cyclosorum
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Species Information

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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.

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

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General References