Calflora, a 501c3 non-profit
Distribution by County   1855    
Centaurea sulphurea  Willd.
Sicilian star thistle,   Sulphur knapweed
Centaurea sulphurea is an annual herb that is not native to California.
Record Count by County

El Dorado: 4 Sacramento: 32 Santa Clara: 5 Santa Cruz: 9

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: https://www.calflora.org/   (Accessed: 12/03/2024).