Index / Search / Polygonum ramosissimum
§1 Plant
Polygonum ramosissimum Michx.
vernacular bushy knotweed — species · Polygonaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Dicot
- Family
- Polygonaceae Juss.
- Genus
- Polygonum
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 654 counties across 35 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 654 counties across 35 states/territories.
Alaska view state ↗ 1 I ▾
Arizona view state ↗ 3 N ▾
Arkansas view state ↗ 7 N ▾
Colorado view state ↗ 25 N ▾
- Baca 08009
- Bent 08011
- Boulder 08013
- Cheyenne 08017
- Denver 08031
- Eagle 08037
- El Paso 08041
- Garfield 08045
- Jefferson 08059
- Kiowa 08061
- La Plata 08067
- Larimer 08069
- Las Animas 08071
- Lincoln 08073
- Logan 08075
- Mesa 08077
- Moffat 08081
- Morgan 08087
- Otero 08089
- Prowers 08099
- Pueblo 08101
- San Juan 08111
- Sedgwick 08115
- Weld 08123
- Yuma 08125
Delaware view state ↗ 3 N ▾
District of Columbia view state ↗ 1 N ▾
Illinois view state ↗ 63 N ▾
- Bond 17005
- Boone 17007
- Brown 17009
- Cass 17017
- Champaign 17019
- Clay 17025
- Coles 17029
- Cook 17031
- Crawford 17033
- De Witt 17039
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Fayette 17051
- Greene 17061
- Grundy 17063
- Hancock 17067
- Henderson 17071
- Henry 17073
- Iroquois 17075
- Jackson 17077
- Jefferson 17081
- Jersey 17083
- Jo Daviess 17085
- Johnson 17087
- Kane 17089
- Kankakee 17091
- Kendall 17093
- Lake 17097
- LaSalle 17099
- Lawrence 17101
- Macon 17115
- Marion 17121
- Mason 17125
- Massac 17127
- McDonough 17109
- McHenry 17111
- McLean 17113
- Menard 17129
- Mercer 17131
- Morgan 17137
- Moultrie 17139
- Ogle 17141
- Peoria 17143
- Perry 17145
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Schuyler 17169
- Scott 17171
- St. Clair 17163
- Tazewell 17179
- Union 17181
- Warren 17187
- White 17193
- Whiteside 17195
- Will 17197
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 11 N ▾
Iowa view state ↗ 15 N ▾
Kansas view state ↗ 102 N ▾
- Allen 20001
- Anderson 20003
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Chase 20017
- Chautauqua 20019
- Cherokee 20021
- Cheyenne 20023
- Clay 20027
- Cloud 20029
- Coffey 20031
- Comanche 20033
- Cowley 20035
- Crawford 20037
- 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
- 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 ↗ 1 N ▾
Louisiana view state ↗ 13 N ▾
Maine view state ↗ 11 N ▾
Maryland view state ↗ 2 N ▾
Massachusetts view state ↗ 10 N ▾
Michigan view state ↗ 14 N ▾
Minnesota view state ↗ 37 N ▾
- Anoka 27003
- Big Stone 27011
- Blue Earth 27013
- Cass 27021
- Chippewa 27023
- Clay 27027
- Clearwater 27029
- Cottonwood 27033
- Crow Wing 27035
- Dakota 27037
- Douglas 27041
- Freeborn 27047
- Goodhue 27049
- Hennepin 27053
- Houston 27055
- Kittson 27069
- Koochiching 27071
- Lac qui Parle 27073
- Lake of the Woods 27077
- Lincoln 27081
- Marshall 27089
- Morrison 27097
- Murray 27101
- Nobles 27105
- Otter Tail 27111
- Pipestone 27117
- Polk 27119
- Pope 27121
- Ramsey 27123
- Renville 27129
- Scott 27139
- St. Louis 27137
- Traverse 27155
- Wabasha 27157
- Washington 27163
- Winona 27169
- Yellow Medicine 27173
Missouri view state ↗ 45 N ▾
- Adair 29001
- Barry 29009
- Bates 29013
- Boone 29019
- Buchanan 29021
- Cass 29037
- Clark 29045
- Clay 29047
- Clinton 29049
- Cole 29051
- Dunklin 29069
- Gentry 29075
- Grundy 29079
- Henry 29083
- Holt 29087
- Jackson 29095
- Jasper 29097
- Johnson 29101
- Lafayette 29107
- Lawrence 29109
- Lewis 29111
- Lincoln 29113
- Linn 29115
- Livingston 29117
- Macon 29121
- Monroe 29137
- Newton 29145
- Nodaway 29147
- Pemiscot 29155
- Pettis 29159
- Pike 29163
- Platte 29165
- Putnam 29171
- Randolph 29175
- Ray 29177
- Saline 29195
- Schuyler 29197
- Scott 29201
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Stone 29209
- Sullivan 29211
- Taney 29213
- Vernon 29217
Montana view state ↗ 17 N ▾
Nebraska view state ↗ 47 N ▾
- Box Butte 31013
- Boyd 31015
- Brown 31017
- Butler 31023
- Cherry 31031
- Clay 31035
- Cuming 31039
- Custer 31041
- Dakota 31043
- Dawes 31045
- Deuel 31049
- Dodge 31053
- Douglas 31055
- Franklin 31061
- Furnas 31065
- Garden 31069
- Grant 31075
- Greeley 31077
- Hall 31079
- Hamilton 31081
- Harlan 31083
- Hitchcock 31087
- Holt 31089
- Hooker 31091
- Howard 31093
- Kimball 31105
- Knox 31107
- Lancaster 31109
- Lincoln 31111
- Merrick 31121
- Morrill 31123
- Nemaha 31127
- Otoe 31131
- Phelps 31137
- Platte 31141
- Red Willow 31145
- Richardson 31147
- Rock 31149
- Sarpy 31153
- Scotts Bluff 31157
- Sheridan 31161
- Sioux 31165
- Thayer 31169
- Thomas 31171
- Washington 31177
- Webster 31181
- Wheeler 31183
New Hampshire view state ↗ 3 N ▾
New Jersey view state ↗ 11 N ▾
New Mexico view state ↗ 7 N ▾
New York view state ↗ 22 N ▾
- Albany 36001
- Bronx 36005
- Erie 36029
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Monroe 36055
- Nassau 36059
- New York 36061
- Oneida 36065
- Onondaga 36067
- Orange 36071
- Queens 36081
- Richmond 36085
- Rockland 36087
- Schenectady 36093
- St. Lawrence 36089
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Wayne 36117
- Wyoming 36121
North Dakota view state ↗ 44 N ▾
- Adams 38001
- Barnes 38003
- Benson 38005
- Billings 38007
- Bowman 38011
- Burke 38013
- Burleigh 38015
- Cass 38017
- Cavalier 38019
- Dickey 38021
- Divide 38023
- Dunn 38025
- Eddy 38027
- Emmons 38029
- Foster 38031
- Golden Valley 38033
- Grand Forks 38035
- Grant 38037
- Griggs 38039
- Hettinger 38041
- Kidder 38043
- LaMoure 38045
- Logan 38047
- McHenry 38049
- McKenzie 38053
- McLean 38055
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Nelson 38063
- Pembina 38067
- Pierce 38069
- Ramsey 38071
- Ransom 38073
- Richland 38077
- Sargent 38081
- Sheridan 38083
- Slope 38087
- Stark 38089
- Steele 38091
- Traill 38097
- Ward 38101
- Wells 38103
- Williams 38105
Ohio view state ↗ 2 N ▾
Oklahoma view state ↗ 18 N ▾
Pennsylvania view state ↗ 3 N ▾
Rhode Island view state ↗ 5 N ▾
South Dakota view state ↗ 28 N ▾
- Aurora 46003
- Beadle 46005
- Bon Homme 46009
- Brookings 46011
- Brown 46013
- Brule 46015
- Buffalo 46017
- Butte 46019
- Campbell 46021
- Clay 46027
- Codington 46029
- Edmunds 46045
- Fall River 46047
- Faulk 46049
- Gregory 46053
- Hanson 46061
- Harding 46063
- Hughes 46065
- Jackson 46071
- Jones 46075
- Kingsbury 46077
- Lawrence 46081
- Lincoln 46083
- Pennington 46103
- Perkins 46105
- Spink 46115
- Stanley 46117
- Walworth 46129
Tennessee view state ↗ 4 N ▾
Texas view state ↗ 47 N ▾
- Austin 48015
- Bailey 48017
- Bastrop 48021
- Bee 48025
- Brazoria 48039
- Burleson 48051
- Calhoun 48057
- Carson 48065
- Dallam 48111
- Deaf Smith 48117
- Dickens 48125
- Floyd 48153
- Galveston 48167
- Garza 48169
- Gray 48179
- Grayson 48181
- Hale 48189
- Hall 48191
- Hardeman 48197
- Harris 48201
- Hartley 48205
- Hockley 48219
- Jackson 48239
- Jasper 48241
- Jefferson 48245
- Kimble 48267
- Lee 48287
- Lipscomb 48295
- Lubbock 48303
- Marion 48315
- McLennan 48309
- Moore 48341
- Motley 48345
- Nolan 48353
- Nueces 48355
- Ochiltree 48357
- Oldham 48359
- Parmer 48369
- Potter 48375
- Randall 48381
- Roberts 48393
- Robertson 48395
- Sherman 48421
- Sutton 48435
- Travis 48453
- Washington 48477
- Wharton 48481
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 7 N ▾
Wisconsin view state ↗ 24 N ▾
- Brown 55009
- Columbia 55021
- Crawford 55023
- Door 55029
- Eau Claire 55035
- Green 55045
- Iowa 55049
- La Crosse 55063
- Marinette 55075
- Menominee 55078
- Milwaukee 55079
- Pepin 55091
- Pierce 55093
- Price 55099
- Racine 55101
- Richland 55103
- Rock 55105
- Sauk 55111
- Shawano 55115
- St. Croix 55109
- Vernon 55123
- Walworth 55127
- Washburn 55129
- Winnebago 55139
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/PORA3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5334383 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z