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Distribution by County   12131    
Acmispon americanus  (Nutt.) Rydb.
American bird's foot trefoil,   Spanish lotus
Acmispon americanus is an annual herb that is native to California.
Record Count by County

Alameda: 25 Lake: 22 Placer: 61 Shasta: 49
Alpine: 10 Lassen: 53 Plumas: 51 Sierra: 29
Amador: 7 Los Angeles: 115 Riverside: 53 Siskiyou: 19
Butte: 133 Madera: 9 Sacramento: 38 Solano: 19
Calaveras: 14 Marin: 83 San Benito: 6 Sonoma: 57
Colusa: 9 Mariposa: 20 San Bernardino: 61 Stanislaus: 7
Contra Costa: 41 Mendocino: 23 San Diego: 302 Sutter: 4
Del Norte: 4 Merced: 9 San Francisco: 2 Tehama: 36
El Dorado: 60 Modoc: 26 San Joaquin: 2 Trinity: 26
Fresno: 18 Mono: 3 San Luis Obispo: 85 Tulare: 20
Glenn: 1 Monterey: 97 San Mateo: 60 Tuolumne: 16
Humboldt: 10 Napa: 18 Santa Barbara: 95 Ventura: 60
Inyo: 5 Nevada: 55 Santa Clara: 44 Yolo: 14
Kern: 25 Orange: 96 Santa Cruz: 42 Yuba: 12

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: 11/08/2025).