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Distribution by County   392    
Anthemis cotula  L.
Dog fennel, Mayweed, dog fennel, Stinking chamomile
Anthemis cotula is an annual herb that is not native to California.
Record Count by County

Alameda: 31 Los Angeles: 78 Riverside: 33 Solano: 8
Amador: 2 Madera: 1 Sacramento: 45 Sonoma: 105
Butte: 18 Marin: 68 San Benito: 6 Stanislaus: 3
Calaveras: 3 Mariposa: 11 San Bernardino: 16 Sutter: 4
Colusa: 8 Mendocino: 13 San Diego: 98 Tehama: 9
Contra Costa: 47 Merced: 51 San Francisco: 11 Trinity: 3
Del Norte: 8 Modoc: 6 San Luis Obispo: 81 Tulare: 8
El Dorado: 2 Mono: 4 San Mateo: 50 Tuolumne: 5
Fresno: 6 Monterey: 42 Santa Barbara: 53 Ventura: 42
Glenn: 3 Napa: 13 Santa Clara: 30 Yolo: 38
Humboldt: 16 Nevada: 8 Santa Cruz: 33 Yuba: 7
Kern: 15 Orange: 31 Shasta: 5
Lake: 9 Placer: 5 Sierra: 1
Lassen: 5 Plumas: 9 Siskiyou: 6

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: 07/11/2026).