Calflora, a 501c3 non-profit
Distribution by County   6822    
Potamogeton pusillus  L.  var. tenuissimus  Mert. & W. D. J. Koch

(not an active name)
Narrow leaved pondweed,   Small pondweed
Potamogeton pusillus var. tenuissimus is a perennial herb (aquatic) that is native to California, and also found elsewhere in North America and beyond.
also called Potamogeton berchtoldii
Record Count by County

Butte: 9 Inyo: 3 Merced: 1 San Bernardino: 3
Colusa: 1 Lake: 1 Mono: 1 San Diego: 3
Contra Costa: 1 Lassen: 1 Monterey: 1 Siskiyou: 1
Fresno: 1 Mariposa: 1 Placer: 1 Tehama: 1
Glenn: 1 Mendocino: 1 Plumas: 3

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).