Calflora, a 501c3 non-profit
Distribution by County   4208    
Holocarpha virgata  (A. Gray) D. D. Keck
Narrow tarplant,   Pitgland tarweed,   Yellowflower tarweed
Holocarpha virgata is an annual herb that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 42 Kern: 3 Placer: 32 Shasta: 2
Amador: 22 Lake: 20 Riverside: 52 Solano: 15
Butte: 9 Madera: 7 Sacramento: 218 Sonoma: 9
Calaveras: 47 Marin: 4 San Benito: 1462 Stanislaus: 36
Colusa: 9 Mariposa: 136 San Diego: 142 Tuolumne: 115
Contra Costa: 29 Mendocino: 1 San Joaquin: 8 Yolo: 1
El Dorado: 14 Merced: 111 San Luis Obispo: 5 Yuba: 1
Fresno: 69 Napa: 17 Santa Clara: 81
Glenn: 9 Orange: 10 Santa Cruz: 3

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).