Calflora, a 501c3 non-profit
Distribution by County   5983    
Orobanche valida  Jeps.  ssp. howellii  Heckard & L. T. Collins
Howell's broomrape
Orobanche valida ssp. howellii is a perennial herb (parasitic) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
Record Count by County

Lake: 3 Mendocino: 1 Napa: 6 Tehama: 2

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: 04/18/2024).