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Polygonum hydropiperoides Michx.
SWAMP SMARTWEED
Persicaria hydropiperoides; Persicaria opelousanum

Life   Plantae   Dicotyledoneae   Polygonaceae   Polygonum

Polygonum hydropiperoides, Mild Water Pepper
© Copyright Sheryl Pollock 2011 · 8
Polygonum hydropiperoides, Mild Water Pepper

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Polygonum hydropiperoides, Swamp Smartweed
© John Pickering, 2004-2019 · 5
Polygonum hydropiperoides, Swamp Smartweed
Polygonum hydropiperoides, Swamp Smartweed
© John Pickering, 2004-2019 · 5
Polygonum hydropiperoides, Swamp Smartweed

Polygonum hydropiperoides, Swamp Smartweed
© John Pickering, 2004-2019 · 5
Polygonum hydropiperoides, Swamp Smartweed
Polygonum hydropiperoides
© Copyright Bobby Hattaway 2011 · 5
Polygonum hydropiperoides

Polygonum hydropiperoides
© Copyright Bobby Hattaway 2011 · 5
Polygonum hydropiperoides
Polygonum hydropiperoides
© Copyright Bobby Hattaway 2011 · 5
Polygonum hydropiperoides

Polygonum hydropiperoides
© Copyright Bobby Hattaway 2011 · 5
Polygonum hydropiperoides

Associates · map
FamilyScientific name @ source (records)
Colletidae  Colletes americanus @ CUIC_ENT (3); BBSL (1)

Hylaeus confluens @ AMNH_BEE (2)
Halictidae  Augochlora pura @ CUIC_ENT (2); AMNH_BEE (1)

Augochlorella aurata @ AMNH_BEE (5)

Augochlorella gratiosa @ AMNH_BEE (1)

Augochloropsis anonyma @ AMNH_BEE (5)

Halictus poeyi @ AMNH_BEE (5)
Megachilidae  Coelioxys sayi @ AMNH_BEE (3); CUIC_ENT (1)

Megachile mendica @ CUIC_ENT (4)

Megachile pseudobrevis @ CUIC_ENT (1)
Melanopsichiaceae  Melanopsichium pennsylvanicum @ BPI (1)
Microbotryaceae  Sphacelotheca hydropiperis @ BPI (8)
Mycosphaerellaceae  Cercospora hydropiperis @ BPI (1)

Cercospora polygonorum @ BPI (1)

Didymaria effusa @ BPI (1)

Ramularia rufomaculans @ BPI (1)
Pucciniaceae  Puccinia polygoni-amphibii @ BPI (20)
Ustilaginaceae  Ustilago tenuispora @ BPI (1)

Ustilago utriculosa @ BPI (13)

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Following modified from MissouriPlants.com
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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=POHY2 ---> https://plants.usda.gov/java/profile?symbol=POHY2
https://plants.usda.gov/java/profile?symbol=POHY2 ---> http://plants.usda.gov/core/profile?symbol=POHY2
http://plants.usda.gov/core/profile?symbol=POHY2 ---> https://plants.usda.gov/core/profile?symbol=POHY2
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You are here: Home / Plant Profile

Polygonum hydropiperoides Michx.
swamp smartweed

Image of Polygonum hydropiperoides

General Information
Symbol: POHY2
Group: Dicot
Family: Polygonaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : AK   I
CAN   N
L48   N
PR   N
Characteristics
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Polygonum thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species . Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species . Northeast National Technical Center, Chester. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species . Northeast National Technical Center, Chester. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 669. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 669. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 1: 668. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
PEHY7 Persicaria hydropiperoides (Michx.) Small
PEHYB Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fernald) C.F. Reed
PEHYE Persicaria hydropiperoides (Michx.) Small var. euronotora (Fernald) C.F. Reed
PEHYO Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell ex Small) J.S. Wilson
PEOP3 Persicaria opelousana (Riddell ex Small) Small
PEPA42 Persicaria paludicola Small
PEPE28 Persicaria persicarioides (Kunth) Small
POHYA Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason
POHYA2 Polygonum hydropiperoides Michx. var. asperifolium Stanford
POHYB Polygonum hydropiperoides Michx. var. breviciliatum Fernald
POHYB2 Polygonum hydropiperoides Michx. var. bushianum Stanford
POHYD Polygonum hydropiperoides Michx. var. digitatum Fernald
POHYE Polygonum hydropiperoides Michx. var. euronotorum Fernald
POHYO Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) Riddell ex W. Stone
POHYP2 Polygonum hydropiperoides Michx. var. psilostachyum H. St. John
POHYS Polygonum hydropiperoides Michx. var. strigosum (Small) Stanford
POOP2 Polygonum opelousanum Riddell ex Small
POOPA Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford
POPE20 Polygonum persicarioides Kunth

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Caryophyllidae
Order Polygonales
Family Polygonaceae – Buckwheat family
Genus Polygonum L. – knotweed
Species Polygonum hydropiperoides Michx. – swamp smartweed

Subordinate Taxa

This plant has no children

Legal Status

Threatened and Endangered Information:
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete protected plant list for that location.
Indiana Polygonum hydropiperoides var. opelousanum
northeastern smartweed Threatened
New York Polygonum hydropiperoides var. opelousanum
Opelousa smartweed Threatened

Wetland Status

Interpreting Wetland Status

Synonyms

PEHY7   Persicaria hydropiperoides (Michx.) Small

Top Level Regions
Caribbean OBL
North America
Atlantic and Gulf Coastal Plain OBL
Western Mountains, Valleys, and Coast OBL
Arid West OBL
Great Plains OBL
Alaska OBL
Eastern Mountains and Piedmont OBL
Midwest OBL
Northcentral & Northeast OBL

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (POHY2)
CalPhotos (POHY2)
Flora of North America (POHY2)
Integrated Taxonomic Information System (PEHY7)
Integrated Taxonomic Information System (PEHYB)
Integrated Taxonomic Information System (PEHYE)
Integrated Taxonomic Information System (PEHYO)
Integrated Taxonomic Information System (PEOP3)
Integrated Taxonomic Information System (PEPA42)
Integrated Taxonomic Information System (PEPE28)
Integrated Taxonomic Information System (POHY2)
Integrated Taxonomic Information System (POHYA)
Integrated Taxonomic Information System (POHYA2)
Integrated Taxonomic Information System (POHYB)
Integrated Taxonomic Information System (POHYB2)
Integrated Taxonomic Information System (POHYD)
Integrated Taxonomic Information System (POHYE)
Integrated Taxonomic Information System (POHYO)
Integrated Taxonomic Information System (POHYP2)
Integrated Taxonomic Information System (POHYS)
Integrated Taxonomic Information System (POOP2)
Integrated Taxonomic Information System (POOPA)
Integrated Taxonomic Information System (POPE20)
Jepson Interchange (University of California - Berkeley) (POHY2)
Lady Bird Johnson Wildflower Center Native Plant Information Network (POHY2)
USF Atlas of Florida Vascular Plants (POHY2)
University of Tennessee Herbarium (Distribution) (POHY2)
University of Washington Burke Museum (POHY2)
University of Wisconsin - Stevens Point Freckmann Herbarium (POHY2)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Polygonum+hydropiperoides&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Polygonum+hydropiperoides&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 8
Query: SELECT * FROM img WHERE ready=1 and taxon like "Polygonum hydropiperoides%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Polygonum hydropiperoides
Polygonum hydropiperoides
Mild Water Pepper
ID: 0000 0000 1106 0352 [detail]
© 2006 Matt Below

Polygonum hydropiperoides
Polygonum hydropiperoides
Water Pepper
ID: 0000 0000 0207 0375 [detail]
© 2007 Matt Below

Polygonum hydropiperoides
Polygonum hydropiperoides
ID: 0000 0000 0208 0802 [detail]
© 2008 Keir Morse

Polygonum hydropiperoides
Polygonum hydropiperoides
ID: 0000 0000 0208 0803 [detail]
© 2008 Keir Morse

Polygonum hydropiperoides
Polygonum hydropiperoides
ID: 0000 0000 0208 0804 [detail]
© 2008 Keir Morse

Polygonum hydropiperoides
Polygonum hydropiperoides
ID: 0000 0000 0208 0805 [detail]
© 2008 Keir Morse

Polygonum hydropiperoides
Polygonum hydropiperoides
False Waterpepper
ID: 0000 0000 0415 0692 [detail]
© 2015 Barry Breckling

Polygonum hydropiperoides
Polygonum hydropiperoides
False Waterpepper
ID: 0000 0000 0415 0693 [detail]
© 2015 Barry Breckling

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2019-12-12 14:40:13 gmt
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