Persicaria amphibia (L.) Delarbre
Water smartweed
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2017 Ron Vanderhoff © 2017 Ron Vanderhoff © 2019 Diane Etchison © 2022 David Strauch © 2021 R.A. Chasey © 2019 Patrick Furtado © 2024 Cynthia Powell © 2024 Cynthia Powell © 2022 David Strauch © 2019 Patrick Furtado © 2019 Patrick Furtado © 2019 Patrick Furtado © 2019 Patrick Furtado © 2021 R.A. Chasey © 2022 Emily R. Allen © 2022 Emily R. Allen © 2023 R.A. Chasey © 2019 Susan McDougall © 2022 David Strauch © 2022 David Strauch © 2014 Jim Moore © 2014 Jim Moore © 2020 Steve Matson © 2020 Steve Matson © 2020 Steve Matson © 2020 Steve Matson © 2020 Steve Matson © 2020 Diana Wahl © 2009 Ron Vanderhoff © 2023 Jennifer Mo © 2023 Karen Swift © 2018 Ron Vanderhoff © 2018 Ron Vanderhoff © 2023 R.A. Chasey
Persicaria amphibia is a
perennial herb (aquatic) that is
native to California, and also found elsewhere in
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 + POWO
Alternate Names:
JEF Persicaria amphibia var. emersa
JEF Persicaria amphibia var. stipulacea
JEF Persicaria coccinea
JEF Polygonum amphibium var. emersum
JEF Polygonum amphibium var. stipulaceum More …
Information about
Persicaria amphibia
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: 03/28/2025).
