Calflora, a 501c3 non-profit
Distribution by County   2032    
Chorizanthe howellii  Goodman
Howell's spineflower,   Mendocino spineflower
Chorizanthe howellii is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Threatened. Federal status: Endangered.
Record Count by County

Mendocino: 47

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:   (Accessed: 06/25/2024).