Index / Search / Amaranthus retroflexus
§1 Plant
Amaranthus retroflexus L.
vernacular redroot amaranth — species · Amaranthaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Annual
- Group
- Dicot
- Family
- Amaranthaceae Martinov
- Genus
- Amaranthus
§2a
Native status, by region
- AK Alaska Introduced
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Native
- SPM St. Pierre & Miquelon Introduced
§2b
County-level range
· 237 counties across 17 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 237 counties across 17 states/territories.
Alabama view state ↗ 2 N ▾
Alaska view state ↗ 2 I ▾
Arizona view state ↗ 4 N ▾
Arkansas view state ↗ 16 N ▾
District of Columbia view state ↗ 1 N ▾
Maine view state ↗ 15 N ▾
Maryland view state ↗ 1 N ▾
Massachusetts view state ↗ 14 N ▾
Montana view state ↗ 36 N ▾
- Beaverhead 30001
- Big Horn 30003
- Blaine 30005
- Carter 30011
- Cascade 30013
- Chouteau 30015
- Daniels 30019
- Dawson 30021
- Fallon 30025
- Fergus 30027
- Flathead 30029
- Gallatin 30031
- Garfield 30033
- Glacier 30035
- Golden Valley 30037
- Hill 30041
- Judith Basin 30045
- Lake 30047
- Lewis and Clark 30049
- Madison 30057
- McCone 30055
- Meagher 30059
- Missoula 30063
- Park 30067
- Phillips 30071
- Powder River 30075
- Powell 30077
- Roosevelt 30085
- Rosebud 30087
- Sanders 30089
- Sheridan 30091
- Silver Bow 30093
- Stillwater 30095
- Toole 30101
- Valley 30105
- Yellowstone 30111
New Hampshire view state ↗ 9 N ▾
New Jersey view state ↗ 6 N ▾
New York view state ↗ 34 N ▾
- Albany 36001
- Bronx 36005
- Cattaraugus 36009
- Chemung 36015
- Columbia 36021
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Greene 36039
- Jefferson 36045
- Kings 36047
- Lewis 36049
- Livingston 36051
- Madison 36053
- Monroe 36055
- Nassau 36059
- New York 36061
- Oneida 36065
- Onondaga 36067
- Queens 36081
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Steuben 36101
- Suffolk 36103
- Tioga 36107
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
Pennsylvania view state ↗ 55 N ▾
- Adams 42001
- Allegheny 42003
- Armstrong 42005
- Beaver 42007
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Cameron 42023
- Centre 42027
- Chester 42029
- Clarion 42031
- Clearfield 42033
- Clinton 42035
- Columbia 42037
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Franklin 42055
- Fulton 42057
- Huntingdon 42061
- Indiana 42063
- Jefferson 42065
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Northumberland 42097
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Potter 42105
- Schuylkill 42107
- Snyder 42109
- Sullivan 42113
- Susquehanna 42115
- Tioga 42117
- Union 42119
- Venango 42121
- Warren 42123
- Washington 42125
- Wayne 42127
- Westmoreland 42129
Rhode Island view state ↗ 3 N ▾
Vermont view state ↗ 11 N ▾
Virginia view state ↗ 22 N ▾
- Augusta 51015
- Brunswick 51025
- Campbell 51031
- Carroll 51035
- Clarke 51043
- Fairfax 51059
- Fauquier 51061
- Frederick 51069
- Grayson 51077
- Greene 51079
- Henrico 51087
- King George 51099
- Lee 51105
- Montgomery 51121
- Northampton 51131
- Page 51139
- Rockbridge 51163
- Rockingham 51165
- Scott 51169
- Shenandoah 51171
- Surry 51181
- Warren 51187
West Virginia view state ↗ 6 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/AMRE ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/6109534 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T03:31:52Z