Calflora, a 501c3 non-profit
Distribution by County   2955    
Emex spinosa  (L.) Campd.
Devil's thorn,   Spiny threecornerjack
Emex spinosa is an annual herb that is not native to California.
Cal-IPC rating: moderate
Record Count by County

Imperial: 2 Orange: 405 San Francisco: 1 Santa Barbara: 3
Los Angeles: 1 San Diego: 104 San Luis Obispo: 77 Ventura: 29

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).