Calflora, a 501c3 non-profit
Distribution by County   11944    
Polygonum sawatchense  Small  ssp. oblivium  Costea & Tardif
Polygonum sawatchense ssp. oblivium is an annual or 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: 07/25/2024).