Calflora, a 501c3 non-profit
Distribution by County   2768    
Downingia bicornuta  A. Gray  var. bicornuta 
Bristled downingia, Doublehorn calicoflower
Downingia bicornuta var. bicornuta is an annual herb that is native to California.
Record Count by County

Amador: 3 Merced: 1 Shasta: 22 Tehama: 29
Butte: 29 Modoc: 43 Sierra: 10 Yolo: 9
Fresno: 5 Napa: 2 Solano: 4 Yuba: 4
Lake: 11 Placer: 1 Sonoma: 1
Lassen: 17 Plumas: 6 Stanislaus: 5
Madera: 2 Sacramento: 7 Sutter: 1

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 02/06/2026).