Calflora, a 501c3 non-profit
Distribution by County   1215    
Bromus stamineus  E. Desv.

(not an active name)
Harlan brome,   Roadside brome
Bromus stamineus is an annual or perennial grasslike herb that is not native to California.
also called Bromus catharticus var. elatus
Record Count by County

Alameda: 6 Lake: 1 Sacramento: 5 Solano: 2
Calaveras: 1 Los Angeles: 1 San Diego: 1 Sonoma: 3
Colusa: 1 Marin: 8 San Francisco: 22 Sutter: 2
Contra Costa: 5 Mendocino: 6 San Luis Obispo: 16 Tehama: 1
El Dorado: 2 Merced: 1 San Mateo: 13 Tuolumne: 3
Fresno: 1 Monterey: 4 Santa Barbara: 15 Ventura: 9
Humboldt: 1 Napa: 5 Santa Clara: 2 Yolo: 2
Kern: 1 Riverside: 1 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/20/2026).