Calflora, a 501c3 non-profit
Distribution by County   3387    
Eriogonum umbellatum  Torr.  var. argus  Reveal
Sulphur buckwheat, Sulphur flower buckwheat
Eriogonum umbellatum var. argus is a perennial herb that is native to California.
Record Count by County

Del Norte: 2 Humboldt: 23 Siskiyou: 66 Trinity: 37
Glenn: 1 Shasta: 1 Tehama: 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: 01/22/2026).