Calflora, a 501c3 non-profit
Distribution by County   11043    
Potamogeton epihydrus  Raf.
Ribbonleaf pondweed
Potamogeton epihydrus is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
also called Potamogeton epihydrus ssp. nuttallii
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
Record Count by County

El Dorado: 7 Mariposa: 12 Placer: 2 Tuolumne: 22
Fresno: 2 Mendocino: 9 Plumas: 6
Lassen: 1 Modoc: 10 Shasta: 2
Madera: 4 Nevada: 3 Sierra: 1

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: https://www.calflora.org/   (Accessed: 11/21/2024).