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: 14 Nevada: 2 Sonoma: 60
Butte: 14 Lake: 1 San Bernardino: 1 Tehama: 1
Calaveras: 1 Marin: 47 San Mateo: 11 Trinity: 5
Del Norte: 1 Mendocino: 10 Santa Clara: 11
El Dorado: 7 Monterey: 5 Santa Cruz: 19
Fresno: 1 Napa: 26 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: 11/21/2024).