Polygonum bolanderi W. H. Brewer
Bolander's knotweed, Bolander's polygonum
2022 R.A. Chasey
2022 R.A. Chasey
2019 Matt Berger
2019 Matt Berger
2020 David popp
2022 R.A. Chasey
2020 R.A. Chasey
2020 R.A. Chasey
2019 Matt Berger
2020 R.A. Chasey
Polygonum bolanderi is a
perennial herb that is
native to California, and endemic (limited) to California.
Siskiyou
Del Norte
Modoc
Humboldt
Shasta
Lassen
Trinity
Plumas
Tehama
Butte
Mendocino
Glenn
Sierra
Yuba
Lake
Nevada
Colusa
Placer
Sutter
El Dorado
Yolo
Alpine
Napa
Sonoma
Sacramento
Mono
Amador
Solano
Calaveras
Tuolumne
San Joaquin
Marin
Contra Costa
Alameda
Santa Cruz
Mariposa
Madera
San Francisco
San Mateo
Merced
Fresno
Stanislaus
Santa Clara
Inyo
San Benito
Tulare
Kings
Monterey
San Bernardino
San Luis Obispo
Kern
Santa Barbara
Ventura
Los Angeles
Riverside
Orange
San Diego
Imperial
[Wikipedia] Limited Range: Polygonum bolanderi is endemic to northern California, where it is known from the northern Coast Ranges, the southern Cascades, and the northern Sierra Nevada (from Humboldt County and Shasta, south as far as Sonoma county and Tuolumne County). (link added by Mary Ann Machi )
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