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Polygonum persicaria L.
spotted ladysthumb
Symbol: POPE3
Group: Dicot
Family: Polygonaceae
Growth Habit: Forb/herb
Duration: Annual
Perennial
U.S. Nativity: Probably Introduced
Click on the image below to enlarge it and download a high-resolution JPEG file.
Click on this Photograph of Polygonum persicaria (spotted ladysthumb) to enlarge it and download a high-resolution JPEG file Jennifer Anderson. Wild Cat Den State Park, Muscatine, Muscatine Co., IA. 2002. Usage Guidelines.

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Plant Images:

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Plant Synonyms:
POPE3 Polygonum persicaria L.
 

PEMA17

Persicaria maculata (Raf.) S.F. Gray
 

PEPE18

Persicaria persicaria (L.) Small
 

PERU8

Persicaria ruderalis (Salisb.) C.F. Reed
 

PERUV

Persicaria ruderalis (Salisb.) C.F. Reed var. vulgaris (Webb & Moq.) C.F. Reed
 

PEVU

Persicaria vulgaris Webb & Moq.
 

PODU3

Polygonum dubium Stein
 

POFU

Polygonum fusiforme Greene
 

POMI11

Polygonum minus auct. non Huds.
 

POMIS

Polygonum minus Huds. var. subcontinuum (Meisn.) Fern.
 

POPEA2

Polygonum persicaria L. var. angustifolium Beckh.
 

POPER2

Polygonum persicaria L. var. ruderale (Salisb.) Meisn.
 

POPU11

Polygonum puritanorum Fern.
More Information
About spotted ladysthumb

Link to plant characteristics report for Polygonum persicaria

Link to plant Classification report for Polygonum persicaria

Plant source and reference for Polygonum persicaria

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State Distributional Map for POPE3
© Image generated using gd 1.8
Plant Distribution by State

Polygonum persicaria L.

POPE3

See county distributions for the following states by clicking on them below or on the map.

AR CA CT
FL* GA IL
IA KS KY
ME MA MI
MO NH NC
ND RI SC
SD TN* UT*
VT VA WV
WI*
* Offsite source.
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming

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Kansas distribution information Michigan distribution information New Hampshire distribution information Utah distribution information linked offsite at Utah State University West Virginia distribution information Wisconsin distribution information linked offsite at University of Wisconsin Madison Iowa distribution information Arkansas distribution information Connecticut distribution information Maine distribution information Massachusetts distribution information South Dakota distribution information North Carolina distribution information Illinois distribution information North Dakota distribution information Virginia distribution information Kentucky distribution information California distribution information Missouri distribution information Vermont distribution information Tennessee distribution information linked offsite at Univerity of Tennessee Herbarium Rhode Island distribution information South Carolina distribution information Florida distribution information linked offsite at USF Atlas of Florida Vascular Plants Georgia distribution information
Related Taxa:
Polygonum persicaria L.

View 30 genera in Polygonaceae, 78 species in Polygonum

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Classification:
Polygonum persicaria L.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
    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 persicaria L. – spotted ladysthumb

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Threatened and Endangered Plant Information:
Polygonum persicaria L.
The synonym italicized and indented below 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.
Massachusetts:
    Polygonum puritanorum Fern.
       pondshore knotweed     Special Concern

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Invasive Information:
Polygonum persicaria L.
        lady's thumb
        smartweed
        ladysthumb smartweed
This plant is considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.
SEEPPC   Southeast Exotic Pest Plant Council. 1996. Invasive Exotic Pest Plants in Tennessee (http://www.se-eppc.org/states/TN/TNIList.html, October 19, 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
 
SWSS   Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois..
 
WSWS   Whitson, T.D. (Ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.. 630pp.
 

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Introduced Information:
Polygonum persicaria L.
This plant is introduced to the United States from another country or countries. Click on link below for a partial or complete list of U.S. introduced plants.

List of Invasive PlantsScientific Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
List of Invasive PlantsCommon Name = A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| Q| R| S| T| U| V| W| X| Y| Z| all
Note: The complete introduced plant report is 1.4 MB. Download and display times may take 3 to 12 minutes depending on your internet connection, internet traffic, your computer and browser. It may appear your computer has locked up. Task manager may report that Netscape is 'Not Responding'. Typically, Netscape is formatting the report for display, and if you are patient, the final report will appear.

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Wetland Indicator Status:*
Polygonum persicaria L.
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
FAC,OBL FACW FACW FACW FACW OBL FACW+ FACW+ FACW FACW FACW FAC NO NO

POMI11: Polygonum minus auct. non Huds.
Nat. Ind. Reg. 1 Reg. 2 Reg. 3 Reg. 4 Reg. 5 Reg. 6 Reg. 7 Reg. 8 Reg. 9 Reg. 0 Reg. A Reg. C Reg. H
FACW NO NO NO NO NO NO NO NO NO NO NO NO FACW*

      *for this plant and/or its synonyms

Wetland Data InformationInterpreting wetland indicator status

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Other Species Accounts and Images:
Polygonum persicaria L.

View species account from USF Atlas of Florida Vascular Plants.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 20915.
View photographs from University of Tennessee Herbarium.
View species account or photographs from Wisconsin State Herbarium (UW-Madison).

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Related Web Sites:
Polygonum persicaria L.

    British Columbia Ag. & Food, Crop Protection Program
    Manitoba Agriculture - Weeds in Crop Production: abstract & images
    WeedScience.com: diagnostic images

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