Plant Communities: wetland-riparian
Synonyms: Anacharis densa Elodea densa Philotria densa
Counties: Alameda Amador Butte Calaveras Contra Costa Colusa El Dorado Fresno Imperial Inyo Kern Lake Los Angeles Madera Marin Mariposa Merced Mono Napa Nevada Placer Sacramento Santa Clara Santa Cruz San Diego San Francisco San Joaquin San Luis Obispo San Mateo Shasta Solano Sonoma Stanislaus Sutter Tulare Tuolumne Yolo Yuba