Calflora, a 501c3 non-profit
Distribution by County   2643    
Delphinium hansenii  (Greene) Greene
Eldorado larkspur,   Hansen's larkspur
Delphinium hansenii is a perennial herb that is native to California, and endemic (limited) to California.
Record Count by County

Amador: 2 Inyo: 1 Napa: 1 Stanislaus: 5
Butte: 46 Kern: 133 Nevada: 7 Sutter: 7
Calaveras: 21 Lake: 1 Placer: 8 Tehama: 5
Colusa: 1 Los Angeles: 1 Sacramento: 9 Tulare: 65
Contra Costa: 10 Madera: 36 San Benito: 1 Tuolumne: 28
El Dorado: 15 Mariposa: 39 San Bernardino: 1 Yolo: 2
Fresno: 93 Merced: 7 Solano: 1 Yuba: 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/12/2025).