Aconogonon davisiae (W. H. Brewer ex A. Gray) Sojâk
Davis knotweed
©
2011 Steve Matson © 2023 Alaine Arslan © 2011 Steve Matson © 2019 Talila Golan © 2005 Steve Matson © 2015 Todd Ramsden © 2019 Talila Golan © 2018 Mary Conway © 2018 Mary Conway © 2022 Cynthia Powell © 2020 Cynthia Powell © 2022 Cynthia Powell © 2019 R.A. Chasey © 2019 R.A. Chasey © 2023 Jane Cohn © 2019 Talila Golan © 2011 Steve Matson © 2011 Steve Matson © 2005 Steve Matson © 2005 Steve Matson © 2015 Todd Ramsden © 2015 Todd Ramsden © 2015 Todd Ramsden © 2017 Sheri Hagwood
Aconogonon davisiae is a
perennial 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
Name Status : JEF
Alternate Names:
JEF Aconogonon davisiae var. glabrum
iNat Koenigia davisiae
JEF Polygonum davisiae
POWO Koenigia davisiae
PLANTS Polygonum davisiae
Information about
Aconogonon davisiae
Calflora :
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.
The Calflora Database
[a non-profit organization].
Available:
https://www.calflora.org/
(Accessed: 03/30/2025).
