Calflora, a 501c3 non-profit
Distribution by County   1057    
Barbarea orthoceras  Ledeb.
American rocket,   American wintercress,   Erectpod wintercress,   Winter cress
Barbarea orthoceras is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 47 Lassen: 11 Plumas: 25 Sierra: 12
Alpine: 10 Los Angeles: 31 Riverside: 22 Solano: 5
Butte: 26 Madera: 4 Sacramento: 3 Sonoma: 25
Calaveras: 9 Marin: 56 San Benito: 2 Stanislaus: 1
Colusa: 1 Mariposa: 14 San Bernardino: 110 Tehama: 16
Contra Costa: 37 Mendocino: 8 San Diego: 99 Trinity: 26
El Dorado: 18 Modoc: 5 San Francisco: 18 Tulare: 50
Fresno: 49 Mono: 69 San Luis Obispo: 54 Tuolumne: 16
Glenn: 4 Monterey: 27 San Mateo: 116 Ventura: 38
Humboldt: 16 Napa: 33 Santa Barbara: 7 Yolo: 1
Inyo: 17 Nevada: 38 Santa Clara: 47 Yuba: 2
Kern: 15 Orange: 33 Santa Cruz: 24
Lake: 13 Placer: 35 Shasta: 17

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).