Calflora, a 501c3 non-profit
Distribution by County   1874    
Ceratophyllum demersum  L.
Coon's tail,   Hornwort
Ceratophyllum demersum 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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 12/05/2023).