Calflora, a 501c3 non-profit
Distribution by County   6237    
Pentagramma triangularis  (Kaulf.) Yatsk., Windham & E. Wollenw.  ssp. triangularis 
Gold back fern
Pentagramma triangularis ssp. triangularis is a fern that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 47 Lake: 12 Placer: 6 Shasta: 17
Amador: 7 Lassen: 2 Plumas: 5 Sierra: 1
Butte: 86 Los Angeles: 147 Riverside: 75 Siskiyou: 5
Calaveras: 9 Madera: 5 Sacramento: 5 Solano: 4
Colusa: 1 Marin: 72 San Benito: 460 Sonoma: 26
Contra Costa: 37 Mariposa: 9 San Bernardino: 47 Stanislaus: 6
Del Norte: 3 Mendocino: 12 San Diego: 112 Sutter: 2
El Dorado: 20 Merced: 2 San Francisco: 4 Tehama: 12
Fresno: 28 Mono: 4 San Luis Obispo: 78 Trinity: 2
Glenn: 1 Monterey: 150 San Mateo: 82 Tulare: 91
Humboldt: 14 Napa: 25 Santa Barbara: 98 Tuolumne: 106
Inyo: 8 Nevada: 2 Santa Clara: 45 Ventura: 71
Kern: 34 Orange: 48 Santa Cruz: 28 Yuba: 5

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: 04/18/2024).