Calflora, a 501c3 non-profit
Distribution by County   11837    
Mentzelia longiloba  J. Darl.
Many flowered mentzelia
Mentzelia longiloba is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Imperial: 70 Riverside: 31 San Diego: 1
Inyo: 1 San Bernardino: 68

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: 01/15/2026).