Calflora, a 501c3 non-profit
Distribution by County   2893    
Egeria densa  Planch.
Brazilian water weed,   Brazilian waterweed
Egeria densa is a perennial herb that is not native to California.
Cal-IPC rating: high
Record Count by County

Alameda: 6 Lake: 4 Sacramento: 27 Sonoma: 12
Amador: 1 Los Angeles: 4 San Diego: 2 Stanislaus: 2
Butte: 11 Madera: 3 San Francisco: 3 Sutter: 4
Calaveras: 2 Marin: 12 San Joaquin: 21 Tulare: 1
Colusa: 1 Mariposa: 1 San Luis Obispo: 1 Tuolumne: 2
Contra Costa: 15 Merced: 5 San Mateo: 2 Yolo: 9
El Dorado: 3 Mono: 11 Santa Clara: 2 Yuba: 8
Fresno: 1 Napa: 8 Santa Cruz: 2
Inyo: 1 Nevada: 1 Shasta: 3
Kern: 1 Placer: 2 Solano: 5

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).