Calflora, a 501c3 non-profit
Distribution by County   4206    
Holocarpha obconica  (J. C. Clausen & D. D. Keck) D. D. Keck
San joaquin tarweed
Holocarpha obconica is an annual herb that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 17 Kern: 6 San Joaquin: 43 Tulare: 5
Contra Costa: 17 Merced: 27 Santa Clara: 1
Fresno: 610 San Benito: 70 Stanislaus: 2

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).