Calflora, a 501c3 non-profit
Distribution by County   6809    
Potamogeton filiformis  Pers.

(not an active name)
Slender leaved pondweed
Potamogeton filiformis is a perennial herb (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 3 Mariposa: 2 Plumas: 1 Sonoma: 1
Butte: 2 Merced: 1 San Mateo: 3 Tuolumne: 3
Contra Costa: 9 Modoc: 3 Shasta: 2
El Dorado: 1 Mono: 5 Sierra: 2
Lassen: 2 Placer: 1 Solano: 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).