Calflora, a 501c3 non-profit
Distribution by County   4204    
Holocarpha heermannii  (Greene) D. D. Keck
Heermann's tarweed
Holocarpha heermannii is an annual herb that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 12 Los Angeles: 10 Monterey: 110 Solano: 1
Amador: 2 Madera: 98 San Luis Obispo: 29 Sonoma: 2
Contra Costa: 96 Marin: 1 Santa Barbara: 2 Stanislaus: 83
Fresno: 304 Mariposa: 54 Santa Clara: 12 Tulare: 139
Kern: 321 Merced: 112 Santa Cruz: 1 Ventura: 30

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: 04/26/2024).