Index / Search / Polygonum arenastrum
§1 Plant
Polygonum arenastrum Jord. ex Boreau
vernacular oval-leaf knotweed — species · Polygonaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual, Perennial
- Group
- Dicot
- Family
- Polygonaceae Juss.
- Genus
- Polygonum
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
- VI U.S. Virgin Islands Introduced
§2b
County-level range
· 388 counties across 13 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 388 counties across 13 states/territories.
Arkansas view state ↗ 3 I ▾
Illinois view state ↗ 102 I ▾
- Adams 17001
- Alexander 17003
- Bond 17005
- Boone 17007
- Brown 17009
- Bureau 17011
- Calhoun 17013
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Clay 17025
- Clinton 17027
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Edwards 17047
- Effingham 17049
- Fayette 17051
- Ford 17053
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hamilton 17065
- Hancock 17067
- Hardin 17069
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jasper 17079
- Jefferson 17081
- Jersey 17083
- Jo Daviess 17085
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Knox 17095
- Lake 17097
- LaSalle 17099
- Lawrence 17101
- Lee 17103
- Livingston 17105
- Logan 17107
- Macon 17115
- Macoupin 17117
- Madison 17119
- Marion 17121
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McHenry 17111
- McLean 17113
- Menard 17129
- Mercer 17131
- Monroe 17133
- Montgomery 17135
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Randolph 17157
- Richland 17159
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Schuyler 17169
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Stark 17175
- Stephenson 17177
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Wabash 17185
- Warren 17187
- Washington 17189
- Wayne 17191
- White 17193
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 7 I ▾
Iowa view state ↗ 18 I ▾
Kansas view state ↗ 105 I ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Chase 20017
- Chautauqua 20019
- Cherokee 20021
- Cheyenne 20023
- Clark 20025
- Clay 20027
- Cloud 20029
- Coffey 20031
- Comanche 20033
- Cowley 20035
- Crawford 20037
- Decatur 20039
- Dickinson 20041
- Doniphan 20043
- Douglas 20045
- Edwards 20047
- Elk 20049
- Ellis 20051
- Ellsworth 20053
- Finney 20055
- Ford 20057
- Franklin 20059
- Geary 20061
- Gove 20063
- Graham 20065
- Grant 20067
- Gray 20069
- Greeley 20071
- Greenwood 20073
- Hamilton 20075
- Harper 20077
- Harvey 20079
- Haskell 20081
- Hodgeman 20083
- Jackson 20085
- Jefferson 20087
- Jewell 20089
- Johnson 20091
- Kearny 20093
- Kingman 20095
- Kiowa 20097
- Labette 20099
- Lane 20101
- Leavenworth 20103
- Lincoln 20105
- Linn 20107
- Logan 20109
- Lyon 20111
- Marion 20115
- Marshall 20117
- McPherson 20113
- Meade 20119
- Miami 20121
- Mitchell 20123
- Montgomery 20125
- Morris 20127
- Morton 20129
- Nemaha 20131
- Neosho 20133
- Ness 20135
- Norton 20137
- Osage 20139
- Osborne 20141
- Ottawa 20143
- Pawnee 20145
- Phillips 20147
- Pottawatomie 20149
- Pratt 20151
- Rawlins 20153
- Reno 20155
- Republic 20157
- Rice 20159
- Riley 20161
- Rooks 20163
- Rush 20165
- Russell 20167
- Saline 20169
- Scott 20171
- Sedgwick 20173
- Seward 20175
- Shawnee 20177
- Sheridan 20179
- Sherman 20181
- Smith 20183
- Stafford 20185
- Stanton 20187
- Stevens 20189
- Sumner 20191
- Thomas 20193
- Trego 20195
- Wabaunsee 20197
- Wallace 20199
- Washington 20201
- Wichita 20203
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 14 I ▾
Minnesota view state ↗ 52 I ▾
- Anoka 27003
- Becker 27005
- Big Stone 27011
- Blue Earth 27013
- Brown 27015
- Carlton 27017
- Cass 27021
- Chippewa 27023
- Clay 27027
- Clearwater 27029
- Cook 27031
- Crow Wing 27035
- Dakota 27037
- Faribault 27043
- Goodhue 27049
- Hennepin 27053
- Houston 27055
- Hubbard 27057
- Isanti 27059
- Itasca 27061
- Kandiyohi 27067
- Kittson 27069
- Koochiching 27071
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Le Sueur 27079
- Lincoln 27081
- Lyon 27083
- Martin 27091
- McLeod 27085
- Mille Lacs 27095
- Nobles 27105
- Olmsted 27109
- Otter Tail 27111
- Pennington 27113
- Pipestone 27117
- Polk 27119
- Ramsey 27123
- Redwood 27127
- Rice 27131
- Roseau 27135
- Scott 27139
- St. Louis 27137
- Stearns 27145
- Todd 27153
- Traverse 27155
- Wabasha 27157
- Washington 27163
- Wilkin 27167
- Winona 27169
- Wright 27171
Mississippi view state ↗ 15 I ▾
Montana view state ↗ 11 I ▾
New Jersey view state ↗ 7 I ▾
New York view state ↗ 43 I ▾
- Albany 36001
- Bronx 36005
- Cattaraugus 36009
- Cayuga 36011
- Chenango 36017
- Clinton 36019
- Cortland 36023
- Delaware 36025
- Dutchess 36027
- Essex 36031
- Franklin 36033
- Genesee 36037
- Hamilton 36041
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Livingston 36051
- Madison 36053
- Monroe 36055
- Nassau 36059
- New York 36061
- Oneida 36065
- Onondaga 36067
- Ontario 36069
- Orange 36071
- Oswego 36075
- Otsego 36077
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Westchester 36119
- Wyoming 36121
Pennsylvania view state ↗ 9 I ▾
Vermont view state ↗ 2 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POAR11 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5334294 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z