Calflora, a 501c3 non-profit
Distribution by County   6818    
Potamogeton pectinatus  L.

(not an active name)
Fennel leaved pondweed,   Fennel pondweed,   Pondweed
Potamogeton pectinatus is a perennial herb (aquatic) that is native to California, and also found elsewhere in North America and beyond.
also called Stuckenia pectinata
Record Count by County

Alameda: 14 Lake: 1 Placer: 3 Santa Clara: 12
Butte: 6 Lassen: 4 Plumas: 2 Santa Cruz: 2
Calaveras: 1 Los Angeles: 36 Riverside: 14 Shasta: 3
Colusa: 1 Marin: 8 Sacramento: 2 Solano: 14
Contra Costa: 13 Mendocino: 7 San Benito: 1 Sonoma: 5
El Dorado: 7 Merced: 8 San Bernardino: 41 Sutter: 1
Glenn: 3 Modoc: 1 San Diego: 49 Tehama: 7
Humboldt: 6 Mono: 12 San Francisco: 5 Tulare: 1
Imperial: 6 Monterey: 11 San Luis Obispo: 63 Ventura: 17
Inyo: 3 Napa: 4 San Mateo: 18 Yolo: 2
Kern: 3 Orange: 22 Santa Barbara: 34

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: 12/04/2024).