Taxon  Report   9719    
Athyrium filix-femina  (L.) Roth  ssp. cyclosorum  (Rupr.) C. Chr.  
(no longer an active name)
Subarctic ladyfern
Athyrium filix-femina ssp. cyclosorum, a pteridophyte, is a fern that is native to California, is also found outside of California, but is confined to western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Genus: Athyrium
Parent: Athyrium filix-femina

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian
Name Status:
Accepted by PLANTS

ICPN other name:
Athyrium filix-femina var. cyclosorum

Alternate Names:
PLANTS: Athyrium alpestre var. cyclosorum
PLANTS: Athyrium angustum var. boreale
PLANTS: Athyrium angustum var. elatius
. . .
NOTE: Athyrium filix-femina ssp. cyclosorum is no longer an active name.
More information about  Athyrium filix-femina ssp. cyclosorum
Nursery availability from CNPLX
This plant is available commercially.

BONAP Distribution Map

Search (Flora of North America)

Landscape information from Calscape

Photos on Google Images

Consortium of California Herbaria 2

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Nov 30, 2020).