Centrostegia thurberi Calflora

Distribution by County 1865

Centrostegia thurberi A. Gray

Red triangles, Thurber spiny herb, Thurber's spineflower

Centrostegia thurberi is an annual herb that is native to California, and also found elsewhere in western North America.

Record Count by County


Fresno: 5	Los Angeles: 109	San Benito: 3	Tulare: 4
Imperial: 2	Merced: 1	San Bernardino: 149	Ventura: 84
Inyo: 97	Mono: 20	San Diego: 22
Kern: 94	Monterey: 5	San Luis Obispo: 6
Kings: 1	Riverside: 20	Santa Barbara: 8

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: 04/26/2024).