Calflora, a 501c3 non-profit
Distribution by County   6786    
Polystichum dudleyi  Maxon
Dudley's sword fern,   Dudley's swordfern
Polystichum dudleyi is a fern that is native to California, and endemic (limited) to California.
Record Count by County

Lake: 1 Monterey: 46 San Mateo: 39 Sonoma: 18
Marin: 12 Napa: 11 Santa Clara: 20
Mendocino: 2 San Luis Obispo: 6 Santa Cruz: 31

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).