Calflora, a 501c3 non-profit
Distribution by County   4055    
Helianthus petiolaris  Nutt.  ssp. petiolaris 
Prairie sunflower
Helianthus petiolaris ssp. petiolaris is a perennial herb that is not native to California.
Record Count by County

Inyo: 4 Lassen: 1 Riverside: 2 San Bernardino: 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: https://www.calflora.org/   (Accessed: 11/21/2024).