Plant Communities: Yellow Pine Forest Red Fir Forest Lodgepole Forest Subalpine Forest Foothill Woodland Chaparral Valley Grassland wetland-riparian
Counties: Alameda Alpine Butte Contra Costa Colusa El Dorado Fresno Glenn Humboldt Inyo Kings Kern Lake Lassen Los Angeles Madera Marin Mariposa Mendocino Merced Mono Monterey Modoc Napa Nevada Orange Placer Plumas Riverside Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Francisco San Joaquin San Luis Obispo San Mateo Shasta Sierra Siskiyou Solano Sonoma Stanislaus Sutter Tehama Tulare Tuolumne Ventura Yolo
What plants grow with
Polygonum amphibium ?