Calflora, a 501c3 non-profit
Distribution by County   8065    
Trifolium ciliolatum  Benth.
Foothill clover, Tree clover
Trifolium ciliolatum is an annual herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 24 Los Angeles: 70 Sacramento: 176 Siskiyou: 3
Amador: 19 Madera: 44 San Benito: 3 Solano: 19
Butte: 67 Marin: 46 San Bernardino: 15 Sonoma: 41
Calaveras: 27 Mariposa: 93 San Diego: 152 Stanislaus: 9
Colusa: 11 Mendocino: 25 San Joaquin: 4 Sutter: 11
Contra Costa: 51 Merced: 22 San Luis Obispo: 78 Tehama: 45
El Dorado: 30 Monterey: 48 San Mateo: 21 Trinity: 7
Fresno: 51 Napa: 29 Santa Barbara: 122 Tulare: 120
Glenn: 3 Nevada: 15 Santa Clara: 45 Tuolumne: 29
Humboldt: 2 Orange: 43 Santa Cruz: 24 Ventura: 26
Kern: 27 Placer: 11 Shasta: 16 Yolo: 14
Lake: 14 Riverside: 34 Sierra: 5 Yuba: 16

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 08/19/2026).