Calflora, a 501c3 non-profit
Distribution by County   13235    
Juncus gerardi  Loisel.  ssp. gerardi 
Mud rush
Juncus gerardi ssp. gerardi is a perennial grasslike herb that is native to California.
Record Count by County

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