New Names: Potamogeton pusillus ssp. pusillus
Parent species: Potamogeton pusillus
Counties: Butte Fresno Lassen Marin Mariposa Mendocino Merced Mono Modoc Riverside Santa Barbara San Bernardino Santa Clara San Diego San Francisco San Luis Obispo San Mateo Shasta Sonoma Tehama Tuolumne Yuba