Polygonum polygaloides Meisn. ssp. confertiflorum (Nutt. ex Piper) J. C. Hickman
Dense knotweed, Fruitleaf knotweed
2008 Keir Morse
2008 Keir Morse
2011 Barry Breckling
2014 Sierra Pacific Industries
Polygonum polygaloides ssp. confertiflorum is an
annual herb that is
native to California, and also found elsewhere in
western North America.
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
Bloom Period
Information about
Polygonum polygaloides ssp. confertiflorum
from other sources
0000 0000 0208 2036:!0000 0000 0208 2037:!0000 0000 0311 3085:!0000 0000 1214 1885:!
2008 Keir Morse:!2008 Keir Morse:!2011 Barry Breckling:!2014 Sierra Pacific Industries:!
null:!null:!null:!null:!
Suggested Citation
Calflora :
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:
The Calflora Database
[a non-profit organization].
Available:
https://www.calflora.org/
(Accessed: 05/31/2023).