Calflora, a 501c3 non-profit
Distribution by County   1018    
Avena fatua  L.
Wild oat,   Wildoat
Avena fatua is an annual grasslike herb that is not native to California.
Cal-IPC rating: moderate
Record Count by County

Alameda: 82 Kings: 4 Placer: 30 Shasta: 24
Amador: 14 Lake: 20 Plumas: 2 Sierra: 3
Butte: 130 Lassen: 3 Riverside: 230 Siskiyou: 5
Calaveras: 26 Los Angeles: 345 Sacramento: 255 Solano: 48
Colusa: 21 Madera: 21 San Benito: 215 Sonoma: 70
Contra Costa: 69 Marin: 110 San Bernardino: 37 Stanislaus: 25
Del Norte: 1 Mariposa: 85 San Diego: 338 Sutter: 17
El Dorado: 32 Mendocino: 25 San Francisco: 122 Tehama: 61
Fresno: 108 Merced: 34 San Joaquin: 15 Trinity: 14
Glenn: 9 Modoc: 1 San Luis Obispo: 266 Tulare: 142
Humboldt: 24 Monterey: 75 San Mateo: 113 Tuolumne: 116
Imperial: 6 Napa: 30 Santa Barbara: 157 Ventura: 298
Inyo: 1 Nevada: 22 Santa Clara: 128 Yolo: 58
Kern: 109 Orange: 170 Santa Cruz: 21 Yuba: 56

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: 11/07/2025).