Calflora, a 501c3 non-profit
Distribution by County   2904    
Elatine rubella  Rydb.
Southwestern waterwort
Elatine rubella is an annual herb that is native to California, and also found elsewhere in North America and beyond.

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 12/03/2023).