New Names: Polygonum bistortoides
Plant Communities: Yellow Pine Forest Red Fir Forest Lodgepole Forest Subalpine Forest wetland-riparian
Synonyms: Polygonum bistortoides
Counties: Alpine Amador Butte Calaveras Colusa Del Norte El Dorado Fresno Glenn Humboldt Inyo Kern Lake Lassen Madera Marin Mariposa Mendocino Mono Modoc Nevada Placer Plumas Riverside San Bernardino Shasta Sierra Siskiyou Solano Sonoma Tehama Trinity Tulare Tuolumne Yuba