Index / Search / Polygonum achoreum
§1 Plant
Polygonum achoreum S.F. Blake
vernacular leathery knotweed — species · Polygonaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Dicot
- Family
- Polygonaceae Juss.
- Genus
- Polygonum
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
County-level range
· 258 counties across 19 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 258 counties across 19 states/territories.
Alaska view state ↗ 2 N ▾
Colorado view state ↗ 3 N ▾
Idaho view state ↗ 7 N ▾
Illinois view state ↗ 17 N ▾
Iowa view state ↗ 18 N ▾
Kansas view state ↗ 7 N ▾
Kentucky view state ↗ 1 N ▾
Maine view state ↗ 1 N ▾
Michigan view state ↗ 22 N ▾
- Alger 26003
- Baraga 26013
- Berrien 26021
- Cheboygan 26031
- Chippewa 26033
- Clinton 26037
- Dickinson 26043
- Eaton 26045
- Emmet 26047
- Gogebic 26053
- Houghton 26061
- Ingham 26065
- Ionia 26067
- Kalamazoo 26077
- Keweenaw 26083
- Montcalm 26117
- Newaygo 26123
- Ontonagon 26131
- Presque Isle 26141
- Schoolcraft 26153
- Shiawassee 26155
- Wexford 26165
Minnesota view state ↗ 45 N ▾
- Anoka 27003
- Becker 27005
- Big Stone 27011
- Blue Earth 27013
- Carlton 27017
- Cass 27021
- Chippewa 27023
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Cook 27031
- Crow Wing 27035
- Dakota 27037
- Douglas 27041
- Faribault 27043
- Hennepin 27053
- Houston 27055
- Itasca 27061
- Kittson 27069
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Le Sueur 27079
- Lincoln 27081
- Lyon 27083
- Marshall 27089
- Martin 27091
- Mille Lacs 27095
- Morrison 27097
- Pennington 27113
- Pipestone 27117
- Polk 27119
- Ramsey 27123
- Redwood 27127
- Renville 27129
- Rice 27131
- Roseau 27135
- Sibley 27143
- St. Louis 27137
- Stearns 27145
- Todd 27153
- Traverse 27155
- Wilkin 27167
- Winona 27169
- Wright 27171
Missouri view state ↗ 5 N ▾
Montana view state ↗ 16 N ▾
Nebraska view state ↗ 21 N ▾
New York view state ↗ 15 N ▾
North Dakota view state ↗ 38 N ▾
- Barnes 38003
- Benson 38005
- Billings 38007
- Bottineau 38009
- Burke 38013
- Burleigh 38015
- Cass 38017
- Cavalier 38019
- Dickey 38021
- Divide 38023
- Emmons 38029
- Golden Valley 38033
- Grand Forks 38035
- Griggs 38039
- Kidder 38043
- LaMoure 38045
- Logan 38047
- McIntosh 38051
- McKenzie 38053
- Mercer 38057
- Morton 38059
- Mountrail 38061
- Nelson 38063
- Pembina 38067
- Ramsey 38071
- Ransom 38073
- Renville 38075
- Richland 38077
- Sargent 38081
- Sheridan 38083
- Sioux 38085
- Slope 38087
- Stark 38089
- Steele 38091
- Stutsman 38093
- Traill 38097
- Ward 38101
- Williams 38105
Ohio view state ↗ 1 N ▾
South Dakota view state ↗ 15 N ▾
Vermont view state ↗ 3 N ▾
Wisconsin view state ↗ 21 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/POAC3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5334386 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T11:35:19Z