Calflora, a 501c3 non-profit
Distribution by County   9116    
Eriogonum umbellatum  Torr.  var. modocense  (Greene) S. Stokes
Sulphur flower buckwheat,   Modoc Sulphur Flower
Eriogonum umbellatum var. modocense is a perennial herb that is native to California.

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:   (Accessed: 05/26/2024).