Calflora, a 501c3 non-profit
Distribution by County   1145    
Brassica rapa  L.
Common mustard,   Field mustard,   Rape mustard
Brassica rapa is an annual herb that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 49 Kings: 2 Placer: 12 Shasta: 9
Alpine: 2 Lake: 15 Plumas: 23 Siskiyou: 95
Amador: 8 Los Angeles: 104 Riverside: 28 Solano: 26
Butte: 61 Madera: 2 Sacramento: 28 Sonoma: 55
Calaveras: 13 Marin: 105 San Benito: 23 Stanislaus: 17
Colusa: 8 Mariposa: 28 San Bernardino: 19 Sutter: 18
Contra Costa: 51 Mendocino: 22 San Diego: 96 Tehama: 8
Del Norte: 10 Merced: 25 San Francisco: 57 Trinity: 5
El Dorado: 11 Modoc: 7 San Joaquin: 27 Tulare: 22
Fresno: 18 Mono: 2 San Luis Obispo: 72 Tuolumne: 10
Glenn: 2 Monterey: 119 San Mateo: 165 Ventura: 32
Humboldt: 53 Napa: 16 Santa Barbara: 84 Yolo: 21
Imperial: 1 Nevada: 11 Santa Clara: 159 Yuba: 13
Inyo: 1 Orange: 65 Santa Cruz: 41

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: 11/21/2024).