Athyrium filix-femina Calflora

Distribution by County 9718

Athyrium filix-femina (L.) Roth

Common ladyfern

Athyrium filix-femina is a fern that is native to California.

Record Count by County


Alameda: 29	Inyo: 4	Napa: 5	Santa Cruz: 56
Alpine: 4	Kern: 3	Nevada: 25	Shasta: 26
Amador: 5	Lake: 5	Placer: 31	Sierra: 19
Butte: 56	Lassen: 1	Plumas: 84	Siskiyou: 35
Calaveras: 6	Los Angeles: 7	Riverside: 34	Sonoma: 107
Colusa: 2	Madera: 3	San Bernardino: 65	Tehama: 19
Contra Costa: 15	Marin: 214	San Francisco: 23	Trinity: 26
Del Norte: 35	Mariposa: 29	San Joaquin: 4	Tulare: 38
El Dorado: 39	Mendocino: 66	San Luis Obispo: 18	Tuolumne: 10
Fresno: 58	Modoc: 2	San Mateo: 85	Yuba: 4
Glenn: 1	Mono: 11	Santa Barbara: 13
Humboldt: 97	Monterey: 23	Santa Clara: 14

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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 12/11/2025).