Calflora, a 501c3 non-profit
Distribution by County   6785    
Polystichum californicum  (D. C. Eaton) Diels
California sword fern,   California swordfern
Polystichum californicum is a fern that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 5 Humboldt: 13 Nevada: 2 Siskiyou: 3
Butte: 15 Lake: 1 San Bernardino: 1 Sonoma: 61
Calaveras: 1 Marin: 48 San Mateo: 11 Tehama: 1
Del Norte: 2 Mendocino: 10 Santa Clara: 10 Trinity: 4
El Dorado: 7 Monterey: 5 Santa Cruz: 19
Fresno: 1 Napa: 27 Sierra: 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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/18/2024).