Calflora, a 501c3 non-profit
Distribution by County   13053    
Dittrichia viscosa  (L.) Greuter
False yellowhead
Dittrichia viscosa is a perennial herb that is not native to California.
There is a high risk of this plant becoming invasive in California according to Cal-IPC.
Record Count by County

San Francisco: 4 San Mateo: 1 Solano: 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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 04/01/2023).