Calflora, a 501c3 non-profit
Distribution by County   2882    
Echinochloa crus-galli  (L.) P. Beauv.
Barnyard grass,   Japanese millet,   Watergrass
Echinochloa crus-galli is an annual grasslike herb that is not native to California.
Record Count by County

Alameda: 16 Lake: 1 Plumas: 7 Siskiyou: 7
Amador: 8 Lassen: 2 Riverside: 49 Solano: 43
Butte: 65 Los Angeles: 83 Sacramento: 54 Sonoma: 14
Calaveras: 3 Madera: 5 San Bernardino: 43 Stanislaus: 10
Colusa: 16 Marin: 25 San Diego: 98 Sutter: 12
Contra Costa: 22 Mariposa: 12 San Francisco: 9 Tehama: 20
El Dorado: 9 Mendocino: 8 San Joaquin: 21 Trinity: 5
Fresno: 15 Merced: 21 San Luis Obispo: 31 Tulare: 15
Glenn: 25 Modoc: 6 San Mateo: 27 Tuolumne: 2
Humboldt: 14 Monterey: 12 Santa Barbara: 49 Ventura: 52
Imperial: 9 Napa: 11 Santa Clara: 19 Yolo: 39
Inyo: 9 Nevada: 6 Santa Cruz: 8 Yuba: 9
Kern: 25 Orange: 42 Shasta: 8
Kings: 2 Placer: 4 Sierra: 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/15/2026).