Calflora, a 501c3 non-profit
Distribution by County   12014    
Senecio quadridentatus  Labill.
Cotton burnweed
Senecio quadridentatus is an annual or perennial herb that is not native to California.
Record Count by County

San Diego: 24 Santa Barbara: 10

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 07/19/2024).