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Distribution by County   10447    
Vicia americana  Willd.
American vetch
Vicia americana is a perennial herb or vine that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 28 Lake: 11 Placer: 17 Sierra: 25
Alpine: 12 Lassen: 57 Plumas: 62 Siskiyou: 23
Amador: 3 Los Angeles: 63 Riverside: 16 Solano: 2
Butte: 31 Madera: 9 Sacramento: 3 Sonoma: 48
Calaveras: 3 Marin: 124 San Benito: 2 Stanislaus: 5
Colusa: 3 Mariposa: 20 San Bernardino: 17 Sutter: 3
Contra Costa: 51 Mendocino: 24 San Diego: 98 Tehama: 24
Del Norte: 18 Merced: 2 San Francisco: 4 Trinity: 24
El Dorado: 24 Modoc: 27 San Luis Obispo: 39 Tulare: 6
Fresno: 10 Mono: 15 San Mateo: 83 Tuolumne: 8
Glenn: 4 Monterey: 29 Santa Barbara: 124 Ventura: 23
Humboldt: 18 Napa: 24 Santa Clara: 18 Yolo: 1
Inyo: 10 Nevada: 16 Santa Cruz: 28 Yuba: 6
Kern: 45 Orange: 6 Shasta: 47

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: 04/21/2026).