Calflora, a 501c3 non-profit
Distribution by County   6793    
Polystichum munitum  (Kaulf.) C. Presl
Western sword fern,   Western swordfern
Polystichum munitum is a fern that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 62 Los Angeles: 22 San Bernardino: 10 Siskiyou: 11
Butte: 24 Marin: 787 San Diego: 2 Solano: 1
Colusa: 3 Mariposa: 4 San Francisco: 74 Sonoma: 269
Contra Costa: 41 Mendocino: 154 San Luis Obispo: 29 Tehama: 6
Del Norte: 19 Monterey: 78 San Mateo: 424 Trinity: 48
El Dorado: 4 Napa: 27 Santa Barbara: 45 Tulare: 1
Glenn: 1 Nevada: 5 Santa Clara: 71 Tuolumne: 2
Humboldt: 173 Placer: 6 Santa Cruz: 151 Ventura: 3
Kern: 1 Plumas: 11 Shasta: 7 Yuba: 11
Lake: 7 Riverside: 7 Sierra: 12

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).