Eriogonum umbellatum var. polyanthum Calflora

Distribution by County 3399

Many flowered buckwheat, Sulfur buckwheat, Sulphur flower buckwheat, American River Sulfur Buckwheat

Eriogonum umbellatum var. polyanthum is a perennial herb that is native to California, and also found elsewhere in western North America.

Current name in JEPS: Eriogonum umbellatum var. modocense

Record Count by County


Alpine: 16	Inyo: 1	Mono: 2	Siskiyou: 100
Amador: 2	Kern: 2	Nevada: 18	Tehama: 2
Del Norte: 9	Lassen: 13	Placer: 4	Trinity: 14
El Dorado: 4	Madera: 2	Plumas: 63	Tulare: 12
Fresno: 7	Mendocino: 2	Shasta: 16	Tuolumne: 3
Humboldt: 5	Modoc: 30	Sierra: 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 10/12/2026).