Calflora, a 501c3 non-profit
Distribution by County   8582    
Trifolium resupinatum  L.
Reversed clover
Trifolium resupinatum is an annual herb that is not native to California.
Record Count by County

Alameda: 1 Humboldt: 1 Monterey: 2 Santa Cruz: 3
Butte: 4 Los Angeles: 1 Napa: 1 Sonoma: 2
Colusa: 2 Marin: 3 San Luis Obispo: 3 Yolo: 3
Contra Costa: 3 Mendocino: 2 San Mateo: 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/12/2025).