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Distribution by County   6127    
Pellaea mucronata  (D. C. Eaton) D. C. Eaton
Bird's foot fern, Birdfoot cliffbrake, Birdfoot fern, Bird foot fern
Pellaea mucronata is a fern that is native to California, and found only slightly beyond California borders.
Record Count by County

Alameda: 28 Lake: 34 Plumas: 17 Siskiyou: 2
Amador: 7 Los Angeles: 234 Riverside: 239 Solano: 1
Butte: 132 Madera: 21 Sacramento: 10 Sonoma: 44
Calaveras: 9 Marin: 58 San Benito: 102 Stanislaus: 5
Colusa: 12 Mariposa: 123 San Bernardino: 185 Sutter: 4
Contra Costa: 27 Mendocino: 11 San Diego: 276 Tehama: 46
El Dorado: 38 Merced: 2 San Luis Obispo: 68 Trinity: 5
Fresno: 87 Mono: 2 San Mateo: 20 Tulare: 105
Glenn: 6 Monterey: 117 Santa Barbara: 70 Tuolumne: 66
Humboldt: 9 Napa: 53 Santa Clara: 36 Ventura: 91
Imperial: 4 Nevada: 24 Santa Cruz: 25 Yolo: 3
Inyo: 24 Orange: 50 Shasta: 37 Yuba: 10
Kern: 58 Placer: 23 Sierra: 9

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/19/2026).