Pennsylvania smartweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Polygonaceae
- genus: Persicaria
- species: Persicaria pensylvanica
Langley
British ColumbiaFredericton
Saint John
New BrunswickCambridge
OntarioBeauharnois
Berthierville
Boisbriand
Charlemagne
Châteauguay
Deux-Montagnes
Farnham
Lachute
Lavaltrie
Longueuil
Lorraine
Lévis
Marieville
Mont-Royal
Montréal
Napierville
Nicolet
Oka
Pincourt
Princeville
Québec
Repentigny
Rosemère
Saint-Césaire
Saint-Damase
Saint-Jacques
Saint-Jérôme
Saint-Lambert-de-Lauzon
Saint-Laurent
Saint-Lin-Laurentides
Sainte-Anne-de-Bellevue
Sainte-Anne-des-Plaines
Sainte-Julienne
Sainte-Sophie
Sainte-Thérèse
Sherbrooke
Terrebonne
Trois-Rivières
Varennes
Westmount
Quebec
CanadaPhoenix
ArizonaSebastopol
CaliforniaBrush
Colorado Springs
Columbine
Evans
La Salle
ColoradoBridgeville
DelawareFive Points
Lake City
Watertown
FloridaAlgonquin
Anna
Athens
Bloomington
Blue Island
Bolingbrook
Brookfield
Burr Ridge
Calumet Park
Carthage
Catlin
Chicago
Deer Park
Downers Grove
East Saint Louis
Evanston
Glenview
Harwood Heights
Henry
La Grange
La Grange Park
Lake Barrington
Lyons
McCullom Lake
Morton Grove
North Barrington
North Peoria
North Riverside
Northbrook
Olney
Oquawka
Peoria
Port Barrington
Quincy
River Grove
Riverside
Southern View
Thornton
Tower Lake
Urbana
Wauconda
Wayne
West Chicago
IllinoisChesterton
Gary
Hammond
Noblesville
Porter
IndianaAtwood
Burlington
Emporia
Eureka
Girard
Hutchinson
Osborne
KansasOrono
MaineAnnapolis
Berwyn Heights
Bladensburg
Brentwood
Cabin John
Calverton
Chesapeake Beach
Cheverly
Chevy Chase
Chevy Chase Village
College Park
Colmar Manor
Cottage City
East Riverdale
Easton
Edmonston
Fort George G Mead Junction
Grasonville
Hurlock
Hyattsville
Jessup
Landover Hills
Laurel
Mount Rainier
Naval Academy
North Beach
Owings
Riva
Riverdale Park
Riviera Beach
Woodlawn
MarylandLynn
Monson
Monson Center
Orleans
Winchester
Woburn
MassachusettsCenter City
Cross Lake
Minneapolis
MinnesotaStarkville
MississippiFalls City
Fremont
Lincoln
Seward
NebraskaHinsdale
New HampshireCarrboro
Chapel Hill
North CarolinaSandusky
Worthington
OhioTonkawa
OklahomaMcMinnville
OregonBennington
VermontWashington, D. C.
Washington, D.C.Ashwaubenon
Green Bay
La Crosse
Wautoma
Wisconsin
United States