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Athyrium filix-femina ssp. cyclosorum

Athyrium filix-femina (L.) Roth ssp. cyclosorum (Rupr.) C. Chr.

Common Lady Fern, Northwestern Lady Fern, Subarctic Ladyfern, Western Lady Fern

Dryopteridaceae (Wood Fern family)

Synonym(s): Athyrium alpestre var. cyclosorum, Athyrium angustum var. boreale, Athyrium angustum var. elatius, Athyrium filix-femina var. californicum, Athyrium filix-femina var. cyclosorum, Athyrium filix-femina var. sitchense


USDA Native Status: L48 (N), AK (N), CAN (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Size Notes: Fronds up to about 3 feet long.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Non-flowering, sporulating plant.


USA: AK , AZ , CA , CO , ID , MI , MN , MT , ND , NE , NM , NV , OR , SD , UT , WA , WY
Canada: AB , BC , MB , NT , ON , QC , SK , YT
Native Habitat: Moist woods, swamps, streambanks.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Athyrium filix-femina ssp. cyclosorum in USDA Plants
FNA: Find Athyrium filix-femina ssp. cyclosorum in the Flora of North America (if available)
Google: Search Google for Athyrium filix-femina ssp. cyclosorum


Record Modified: 2020-10-30
Research By: CBR

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