Sidalcea oregana ssp. oregana Calflora

Distribution by County 7578

Sidalcea oregana (Torr. & A. Gray) A. Gray ssp. oregana

Oregon checker mallow, Oregon checkerbloom

Sidalcea oregana ssp. oregana is a perennial herb that is native to California, and also found elsewhere in western North America.

Record Count by County


Alpine: 1	Lake: 1	Placer: 3	Siskiyou: 20
Butte: 1	Lassen: 16	Plumas: 5	Trinity: 3
El Dorado: 1	Modoc: 60	Shasta: 14
Humboldt: 4	Nevada: 2	Sierra: 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 06/18/2026).