Calflora
Distribution by County   4279    
Hydrilla verticillata  (L. f.) Royle
Hydrilla,   Waterthyme
Hydrilla verticillata, a monocot, is a perennial herb that is not native to California.
Cal-IPC rating: High

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/21/2022).