Pleiacanthus spinosus Calflora

Distribution by County 9634

Pleiacanthus spinosus (Nutt.) Rydb.

Thorn skeletonweed

Pleiacanthus spinosus is a perennial herb that is native to California, and also found elsewhere in western North America.

also called Stephanomeria spinosa

Record Count by County


Alpine: 23	Lassen: 137	Mono: 126	Sierra: 4
Inyo: 95	Los Angeles: 25	Plumas: 7
Kern: 3	Modoc: 6	San Bernardino: 11

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]. 2025. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/23/2025).