Calflora, a 501c3 non-profit
Distribution by County   2392    
Coronopus didymus  (L.) Sm.

(not an active name)
Lesser swine cress,   Lesser swinecress,   Wart cress
Coronopus didymus is an annual herb that is not native to California.
also called Lepidium didymum
Record Count by County

Alameda: 22 Los Angeles: 86 Riverside: 19 Solano: 4
Amador: 1 Madera: 1 Sacramento: 4 Sonoma: 20
Butte: 11 Marin: 55 San Bernardino: 12 Sutter: 1
Contra Costa: 6 Mendocino: 28 San Diego: 111 Tulare: 5
Del Norte: 1 Merced: 1 San Francisco: 43 Tuolumne: 1
Fresno: 9 Monterey: 28 San Luis Obispo: 26 Ventura: 24
Humboldt: 18 Napa: 1 San Mateo: 54 Yolo: 5
Imperial: 1 Nevada: 2 Santa Barbara: 29 Yuba: 2
Kern: 2 Orange: 70 Santa Clara: 8
Kings: 2 Placer: 2 Santa Cruz: 14

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: 06/24/2025).