Calflora, a 501c3 non-profit
Distribution by County   8482    
Dittrichia graveolens  (L.) Greuter
Stinkwort
Dittrichia graveolens is an annual herb that is not native to California.
Cal-IPC rating: moderate
Record Count by County

Alameda: 1543 Los Angeles: 51 Riverside: 15 Shasta: 59
Amador: 16 Madera: 10 Sacramento: 370 Siskiyou: 1
Butte: 112 Marin: 3241 San Benito: 633 Solano: 152
Calaveras: 11 Mariposa: 1 San Bernardino: 18 Sonoma: 2956
Colusa: 5 Mendocino: 17 San Diego: 914 Stanislaus: 22
Contra Costa: 429 Merced: 166 San Francisco: 52 Sutter: 93
El Dorado: 177 Monterey: 179 San Joaquin: 21 Tehama: 10
Fresno: 96 Napa: 60 San Luis Obispo: 123 Trinity: 2
Glenn: 3 Nevada: 9 San Mateo: 1290 Tuolumne: 77
Humboldt: 6 Orange: 1429 Santa Barbara: 12 Ventura: 65
Kern: 2 Placer: 74 Santa Clara: 3415 Yolo: 39
Lake: 13 Plumas: 32 Santa Cruz: 315 Yuba: 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: 12/06/2025).