Calflora, a 501c3 non-profit
Distribution by County   761    
Aspidotis densa  (Brack.) Lellinger
Cliffbrake,   Lace fern
Aspidotis densa is a fern that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 2 Glenn: 2 Monterey: 10 Siskiyou: 101
Alpine: 7 Humboldt: 60 Napa: 20 Sonoma: 72
Amador: 2 Kern: 4 Nevada: 26 Tehama: 22
Butte: 97 Lake: 21 Placer: 34 Trinity: 138
Calaveras: 4 Madera: 9 Plumas: 73 Tulare: 20
Colusa: 4 Marin: 78 San Diego: 3 Tuolumne: 32
Del Norte: 169 Mariposa: 36 San Luis Obispo: 9 Yuba: 8
El Dorado: 36 Mendocino: 22 Shasta: 28
Fresno: 52 Mono: 10 Sierra: 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/12/2025).