D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp

Polygonum erectum L.
Life   Plantae   Dicotyledoneae   Polygonaceae   Polygonum

ERROR: can't read /DL/db/CP/NAME_link.db database.

Click on map for details about points.


Associates · map
FamilyScientific name @ source (records)
Erysiphaceae  Erysiphe cichoracearum @ BPI (2)

Erysiphe communis @ BPI (1)

Erysiphe polygoni @ BPI (35); 564157A (1); 859711A (1)

Erysiphe @ BPI (3)
Glomerellaceae  Colletotrichum erumpens @ BPI (1)
Mycosphaerellaceae  Cercospora avicularis @ BPI (4)

Cercospora polygonacea @ BPI (1)

Ovularia rigidula @ BPI (2)
Pucciniaceae  Puccinia polygoni-amphibii @ 859711B (1)

Puccinia subnitens @ BPI (2)

Uromyces polygoni-avicularis @ BPI (8)

Uromyces polygoni @ 564157B (1); BPI (54)

go to Discover Life's Facebook group

Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=POER2 ---> https://plants.usda.gov/java/profile?symbol=POER2
https://plants.usda.gov/java/profile?symbol=POER2 ---> http://plants.usda.gov/core/profile?symbol=POER2
http://plants.usda.gov/core/profile?symbol=POER2 ---> https://plants.usda.gov/core/profile?symbol=POER2
Link: Skip repetitive navigation links
USDA and NRCS Identifier NRCS Logo
USDA.gov Web Site PLANTS photo banner
PLANTS Home  about PLANTS  PLANTS Team  Partners of PLANTS  What  National Plant Data Team Web Site  Help using PLANTS  Contact PLANTS
 Search the PLANTS Web site
 Name Search

 State Search
 Advanced Search
 Search Help
 Alternative Crops
 Cover Crops
 Culturally Significant
 Distribution Update
 Fact Sheets & Plant Guides
 Introduced, Invasive, and Noxious Plants
 Threatened & Endangered
 Wetland Indicator Status
PLANTS Image Gallery
 50,000+ Plant Images
Download PLANTS data
 Complete PLANTS Checklist
 State PLANTS Checklist
 Advanced Search Download
 Symbols for Unknown Plants
 NRCS State GSAT Lists
 NRCS State Plants Lists
Related tools
 Crop Nutrient Tool
 Ecological Site Information System
 PLANTS Identification Keys
 Plant Materials Web Site
 Plant Materials Publications
 USDA Plant Hardiness Map
You are here: Home / Plant Profile

Polygonum erectum L.
erect knotweed

Image of Polygonum erectum

General Information
Symbol: POER2
Group: Dicot
Family: Polygonaceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : CAN   N
L48   N
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   


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

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: 663. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .



Symbol Scientific Name
POAVE Polygonum aviculare L. var. erectum (L.) Roth ex Meisn.


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 erectum L. – erect knotweed

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.
New Hampshire erect knotweed Endangered
New York erect knotweed Endangered
U.S. Weed Information
Polygonum erectum devil's shoestring erect knotweed wireweed This plant can be weedy or invasive according to 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 weed list, or click here for a composite list of Weeds of the U.S.
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.

Wetland Status

Interpreting Wetland Status

North America
Arid West FACU
Atlantic and Gulf Coastal Plain FACU
Eastern Mountains and Piedmont FACU
Great Plains FAC
Midwest FACU
Northcentral & Northeast FACU
Western Mountains, Valleys, and Coast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (POER2)
Flora of North America (POER2)
Integrated Taxonomic Information System (POAVE)
Integrated Taxonomic Information System (POER2)
Jepson Interchange (University of California - Berkeley) (POER2)
Lady Bird Johnson Wildflower Center Native Plant Information Network (POER2)
University of Tennessee Herbarium (Distribution) (POER2)
University of Wisconsin - Stevens Point Freckmann Herbarium (POER2)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover

 PLANTS Home | USDA.gov | NRCS | Site Map | Policies and Links
Accessibility Statement | Privacy Policy | Non-Discrimination Statement

Updated: 2020-05-25 01:13:08 gmt
Discover Life | Top
© Designed by The Polistes Corporation