§1 Plant
Lemna minor L.
vernacular common duckweed — species · Lemnaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Monocot
- Family
- Lemnaceae Martinov
- Genus
- Lemna
§2a
Native status, by region
- AK Alaska Native
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 893 counties across 39 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- None
- Shade
- High
- Moisture use
- High
- Salinity
- Low
- Anaerobic
- High
- CaCO₃
- Medium
- Hedging
- None
§3b
Climate & soil
- Cold tolerance
- -38 °F minimum
- Frost-free days
- 100 min.
- pH range
- 4.1–8.8
- Root depth
- 0 in min.
- Fertility need
- Medium
§3c
Form & growth
- Growth form
- Single Crown
- Growth rate
- Rapid
- Lifespan
- Short
- Foliage texture
- Fine
- Foliage colour
- Green
- Flower colour
- Green
- Fire resistant
- Yes
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Summer
- Seed begins
- Summer
- Seed ends
- Summer
- Spread rate
- Rapid
- Stratify
- No
- Propagation
- seed, sprigs
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- No
- Palatable, human
- No
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 893 counties across 39 states/territories.
Alabama view state ↗ 6 N ▾
Alaska view state ↗ 9 N ▾
Arizona view state ↗ 6 N ▾
Arkansas view state ↗ 5 N ▾
Colorado view state ↗ 15 N ▾
Delaware view state ↗ 2 N ▾
District of Columbia view state ↗ 1 N ▾
Florida view state ↗ 1 N ▾
Georgia view state ↗ 4 N ▾
Illinois view state ↗ 82 N ▾
- Adams 17001
- Alexander 17003
- Boone 17007
- Bureau 17011
- Carroll 17015
- Cass 17017
- Champaign 17019
- Christian 17021
- Clark 17023
- Coles 17029
- Cook 17031
- Crawford 17033
- Cumberland 17035
- De Witt 17039
- DeKalb 17037
- Douglas 17041
- DuPage 17043
- Edgar 17045
- Effingham 17049
- Fayette 17051
- Franklin 17055
- Fulton 17057
- Gallatin 17059
- Greene 17061
- Grundy 17063
- Hancock 17067
- Henderson 17071
- Henry 17073
- 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
- Logan 17107
- Macoupin 17117
- Madison 17119
- Marshall 17123
- Mason 17125
- Massac 17127
- McDonough 17109
- McHenry 17111
- McLean 17113
- Menard 17129
- Mercer 17131
- Monroe 17133
- Morgan 17137
- Ogle 17141
- Peoria 17143
- Perry 17145
- Piatt 17147
- Pike 17149
- Pope 17151
- Pulaski 17153
- Putnam 17155
- Randolph 17157
- Rock Island 17161
- Saline 17165
- Sangamon 17167
- Schuyler 17169
- Scott 17171
- Shelby 17173
- St. Clair 17163
- Stephenson 17177
- Tazewell 17179
- Union 17181
- Vermilion 17183
- Warren 17187
- Washington 17189
- Wayne 17191
- Whiteside 17195
- Will 17197
- Williamson 17199
- Winnebago 17201
- Woodford 17203
Indiana view state ↗ 36 N ▾
- Allen 18003
- Carroll 18015
- Cass 18017
- Clark 18019
- Crawford 18025
- Daviess 18027
- Dearborn 18029
- DeKalb 18033
- Elkhart 18039
- Floyd 18043
- Fountain 18045
- Fulton 18049
- Gibson 18051
- Huntington 18069
- Jasper 18073
- Jefferson 18077
- Knox 18083
- Kosciusko 18085
- Lagrange 18087
- Lake 18089
- Lawrence 18093
- Madison 18095
- Marshall 18099
- Montgomery 18107
- Newton 18111
- Noble 18113
- Parke 18121
- Porter 18127
- Posey 18129
- Spencer 18147
- St. Joseph 18141
- Steuben 18151
- Sullivan 18153
- Warren 18171
- Wayne 18177
- Wells 18179
Iowa view state ↗ 15 N ▾
Kansas view state ↗ 48 N ▾
- Atchison 20005
- Barber 20007
- Barton 20009
- Bourbon 20011
- Brown 20013
- Butler 20015
- Clark 20025
- Cloud 20029
- Comanche 20033
- Douglas 20045
- Finney 20055
- Franklin 20059
- Geary 20061
- Gray 20069
- Greeley 20071
- Harvey 20079
- Jackson 20085
- Jefferson 20087
- Jewell 20089
- Johnson 20091
- Kearny 20093
- Kingman 20095
- Kiowa 20097
- Labette 20099
- Leavenworth 20103
- Linn 20107
- Marion 20115
- McPherson 20113
- Miami 20121
- Morton 20129
- Osage 20139
- Ottawa 20143
- Pawnee 20145
- Pottawatomie 20149
- Pratt 20151
- Rice 20159
- Rush 20165
- Saline 20169
- Sedgwick 20173
- Shawnee 20177
- Sheridan 20179
- Stafford 20185
- Sumner 20191
- Wabaunsee 20197
- Wallace 20199
- Wilson 20205
- Woodson 20207
- Wyandotte 20209
Kentucky view state ↗ 26 N ▾
- Ballard 21007
- Bath 21011
- Bourbon 21017
- Bracken 21023
- Carlisle 21039
- Carroll 21041
- Clark 21049
- Clinton 21053
- Daviess 21059
- Floyd 21071
- Franklin 21073
- Fulton 21075
- Grant 21081
- Hardin 21093
- Henderson 21101
- Jefferson 21111
- Jessamine 21113
- Kenton 21117
- Laurel 21125
- Madison 21151
- Marion 21155
- Marshall 21157
- Montgomery 21173
- Owen 21187
- Spencer 21215
- Woodford 21239
Louisiana view state ↗ 8 N ▾
Maine view state ↗ 8 N ▾
Massachusetts view state ↗ 14 N ▾
Michigan view state ↗ 45 N ▾
- Alger 26003
- Allegan 26005
- Alpena 26007
- Arenac 26011
- Baraga 26013
- Barry 26015
- Branch 26023
- Cass 26027
- Charlevoix 26029
- Cheboygan 26031
- Chippewa 26033
- Clinton 26037
- Delta 26041
- Eaton 26045
- Emmet 26047
- Genesee 26049
- Gladwin 26051
- Houghton 26061
- Ingham 26065
- Iron 26071
- Isabella 26073
- Kalamazoo 26077
- Kent 26081
- Leelanau 26089
- Lenawee 26091
- Livingston 26093
- Mackinac 26097
- Marquette 26103
- Mecosta 26107
- Menominee 26109
- Monroe 26115
- Muskegon 26121
- Oakland 26125
- Ogemaw 26129
- Ontonagon 26131
- Oscoda 26135
- Roscommon 26143
- Saginaw 26145
- Schoolcraft 26153
- Shiawassee 26155
- St. Clair 26147
- St. Joseph 26149
- Van Buren 26159
- Washtenaw 26161
- Wayne 26163
Minnesota view state ↗ 75 N ▾
- Aitkin 27001
- Anoka 27003
- Becker 27005
- Beltrami 27007
- Benton 27009
- Big Stone 27011
- Blue Earth 27013
- Brown 27015
- Carlton 27017
- Carver 27019
- Cass 27021
- Chippewa 27023
- Chisago 27025
- Clay 27027
- Clearwater 27029
- Crow Wing 27035
- Dakota 27037
- Douglas 27041
- Fillmore 27045
- Freeborn 27047
- Goodhue 27049
- Grant 27051
- Hennepin 27053
- Houston 27055
- Hubbard 27057
- Isanti 27059
- Itasca 27061
- Kanabec 27065
- Kandiyohi 27067
- Kittson 27069
- Koochiching 27071
- Lac qui Parle 27073
- Lake 27075
- Lake of the Woods 27077
- Le Sueur 27079
- Lincoln 27081
- Lyon 27083
- Mahnomen 27087
- Marshall 27089
- Martin 27091
- McLeod 27085
- Mille Lacs 27095
- Morrison 27097
- Mower 27099
- Murray 27101
- Nicollet 27103
- Nobles 27105
- Norman 27107
- Olmsted 27109
- Otter Tail 27111
- Pennington 27113
- Pine 27115
- Pipestone 27117
- Polk 27119
- Pope 27121
- Ramsey 27123
- Red Lake 27125
- Renville 27129
- Rice 27131
- Roseau 27135
- Sherburne 27141
- Sibley 27143
- St. Louis 27137
- Stearns 27145
- Steele 27147
- Stevens 27149
- Todd 27153
- Traverse 27155
- Wabasha 27157
- Wadena 27159
- Waseca 27161
- Washington 27163
- Wilkin 27167
- Winona 27169
- Wright 27171
Missouri view state ↗ 52 N ▾
- Adair 29001
- Andrew 29003
- Barry 29009
- Barton 29011
- Boone 29019
- Butler 29023
- Callaway 29027
- Cape Girardeau 29031
- Carroll 29033
- Carter 29035
- Christian 29043
- Clark 29045
- Dallas 29059
- Dent 29065
- Dunklin 29069
- Franklin 29071
- Gasconade 29073
- Greene 29077
- Harrison 29081
- Howell 29091
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Johnson 29101
- Laclede 29105
- Lawrence 29109
- Lewis 29111
- Lincoln 29113
- Livingston 29117
- Madison 29123
- McDonald 29119
- Mississippi 29133
- Monroe 29137
- New Madrid 29143
- Newton 29145
- Oregon 29149
- Osage 29151
- Pemiscot 29155
- Phelps 29161
- Pike 29163
- Randolph 29175
- Reynolds 29179
- Saline 29195
- Shannon 29203
- Shelby 29205
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Stone 29209
- Taney 29213
- Vernon 29217
- Warren 29219
Montana view state ↗ 10 N ▾
Nebraska view state ↗ 46 N ▾
- Banner 31007
- Blaine 31009
- Box Butte 31013
- Boyd 31015
- Brown 31017
- Buffalo 31019
- Burt 31021
- Butler 31023
- Cedar 31027
- Cherry 31031
- Colfax 31037
- Cuming 31039
- Custer 31041
- Dawes 31045
- Dawson 31047
- Dodge 31053
- Douglas 31055
- Dundy 31057
- Garden 31069
- Grant 31075
- Hall 31079
- Hitchcock 31087
- Holt 31089
- Howard 31093
- Kearney 31099
- Keith 31101
- Keya Paha 31103
- Kimball 31105
- Knox 31107
- Lancaster 31109
- Lincoln 31111
- Merrick 31121
- Morrill 31123
- Otoe 31131
- Pawnee 31133
- Phelps 31137
- Richardson 31147
- Rock 31149
- Sarpy 31153
- Saunders 31155
- Scotts Bluff 31157
- Sheridan 31161
- Sherman 31163
- Sioux 31165
- Thomas 31171
- Valley 31175
New Hampshire view state ↗ 7 N ▾
New Jersey view state ↗ 16 N ▾
New Mexico view state ↗ 6 N ▾
New York view state ↗ 41 N ▾
- Albany 36001
- Allegany 36003
- Bronx 36005
- Cattaraugus 36009
- Chautauqua 36013
- Chemung 36015
- Delaware 36025
- Dutchess 36027
- Erie 36029
- Essex 36031
- Franklin 36033
- Genesee 36037
- Greene 36039
- Hamilton 36041
- Kings 36047
- Madison 36053
- Monroe 36055
- Nassau 36059
- Niagara 36063
- Oneida 36065
- Onondaga 36067
- Orange 36071
- Oswego 36075
- Putnam 36079
- Queens 36081
- Richmond 36085
- Rockland 36087
- Saratoga 36091
- Schenectady 36093
- Schuyler 36097
- St. Lawrence 36089
- Steuben 36101
- Suffolk 36103
- Tioga 36107
- Tompkins 36109
- Ulster 36111
- Warren 36113
- Washington 36115
- Wayne 36117
- Westchester 36119
- Yates 36123
North Carolina view state ↗ 2 N ▾
North Dakota view state ↗ 40 N ▾
- Barnes 38003
- Billings 38007
- Bottineau 38009
- Bowman 38011
- Burke 38013
- Burleigh 38015
- Cass 38017
- Cavalier 38019
- Dickey 38021
- Divide 38023
- Dunn 38025
- Eddy 38027
- Emmons 38029
- Foster 38031
- Grand Forks 38035
- Grant 38037
- Griggs 38039
- Kidder 38043
- McHenry 38049
- McKenzie 38053
- McLean 38055
- Mercer 38057
- Mountrail 38061
- Nelson 38063
- Pembina 38067
- Pierce 38069
- Ramsey 38071
- Ransom 38073
- Richland 38077
- Rolette 38079
- Sargent 38081
- Sheridan 38083
- Slope 38087
- Stark 38089
- Stutsman 38093
- Towner 38095
- Traill 38097
- Walsh 38099
- Ward 38101
- Williams 38105
Ohio view state ↗ 45 N ▾
- Allen 39003
- Ashland 39005
- Ashtabula 39007
- Auglaize 39011
- Belmont 39013
- Brown 39015
- Carroll 39019
- Champaign 39021
- Clark 39023
- Clermont 39025
- Clinton 39027
- Columbiana 39029
- Coshocton 39031
- Cuyahoga 39035
- Darke 39037
- Erie 39043
- Fayette 39047
- Franklin 39049
- Geauga 39055
- Guernsey 39059
- Hamilton 39061
- Hancock 39063
- Harrison 39067
- Holmes 39075
- Jackson 39079
- Jefferson 39081
- Lake 39085
- Licking 39089
- Lorain 39093
- Mahoning 39099
- Medina 39103
- Miami 39109
- Montgomery 39113
- Ottawa 39123
- Portage 39133
- Richland 39139
- Ross 39141
- Sandusky 39143
- Seneca 39147
- Shelby 39149
- Stark 39151
- Summit 39153
- Trumbull 39155
- Tuscarawas 39157
- Wayne 39169
Oklahoma view state ↗ 4 N ▾
Pennsylvania view state ↗ 50 N ▾
- Adams 42001
- Allegheny 42003
- Bedford 42009
- Berks 42011
- Blair 42013
- Bradford 42015
- Bucks 42017
- Butler 42019
- Carbon 42025
- Centre 42027
- Chester 42029
- Clarion 42031
- Clinton 42035
- Crawford 42039
- Cumberland 42041
- Dauphin 42043
- Delaware 42045
- Erie 42049
- Forest 42053
- Fulton 42057
- Huntingdon 42061
- Juniata 42067
- Lackawanna 42069
- Lancaster 42071
- Lawrence 42073
- Lebanon 42075
- Lehigh 42077
- Luzerne 42079
- Lycoming 42081
- McKean 42083
- Mercer 42085
- Mifflin 42087
- Monroe 42089
- Montgomery 42091
- Northampton 42095
- Perry 42099
- Philadelphia 42101
- Pike 42103
- Snyder 42109
- Somerset 42111
- Sullivan 42113
- Susquehanna 42115
- Tioga 42117
- Union 42119
- Venango 42121
- Warren 42123
- Washington 42125
- Wayne 42127
- Westmoreland 42129
- Wyoming 42131
Rhode Island view state ↗ 3 N ▾
South Dakota view state ↗ 25 N ▾
- Aurora 46003
- Brown 46013
- Brule 46015
- Buffalo 46017
- Codington 46029
- Corson 46031
- Custer 46033
- Douglas 46043
- Edmunds 46045
- Faulk 46049
- Hanson 46061
- Harding 46063
- Hughes 46065
- Hutchinson 46067
- Lake 46079
- Lincoln 46083
- McCook 46087
- Moody 46101
- Sanborn 46111
- Todd 46121
- Tripp 46123
- Turner 46125
- Union 46127
- Walworth 46129
- Yankton 46135
Tennessee view state ↗ 9 N ▾
Vermont view state ↗ 10 N ▾
Virginia view state ↗ 39 N ▾
- Accomack 51001
- Albemarle 51003
- Alleghany 51005
- Appomattox 51011
- Augusta 51015
- Bedford 51019
- Buckingham 51029
- Charles City 51036
- Chesapeake (city) 51550
- Clarke 51043
- Fairfax 51059
- Frederick 51069
- Giles 51071
- Gloucester 51073
- Goochland 51075
- Hanover 51085
- Henrico 51087
- Highland 51091
- James City 51095
- King William 51101
- Loudoun 51107
- Middlesex 51119
- Montgomery 51121
- Nelson 51125
- New Kent 51127
- Nottoway 51135
- Page 51139
- Roanoke 51161
- Russell 51167
- Shenandoah 51171
- Spotsylvania 51177
- Suffolk (city) 51800
- Surry 51181
- Sussex 51183
- Virginia Beach (city) 51810
- Warren 51187
- Washington 51191
- Westmoreland 51193
- Wythe 51197
West Virginia view state ↗ 11 N ▾
Wisconsin view state ↗ 66 N ▾
- Adams 55001
- Ashland 55003
- Barron 55005
- Bayfield 55007
- Brown 55009
- Buffalo 55011
- Burnett 55013
- Calumet 55015
- Chippewa 55017
- Clark 55019
- Columbia 55021
- Crawford 55023
- Dane 55025
- Dodge 55027
- Door 55029
- Douglas 55031
- Dunn 55033
- Eau Claire 55035
- Florence 55037
- Fond du Lac 55039
- Forest 55041
- Grant 55043
- Green 55045
- Green Lake 55047
- Iowa 55049
- Iron 55051
- Jefferson 55055
- Kenosha 55059
- La Crosse 55063
- Lafayette 55065
- Lincoln 55069
- Manitowoc 55071
- Marathon 55073
- Marquette 55077
- Menominee 55078
- Milwaukee 55079
- Monroe 55081
- Oconto 55083
- Oneida 55085
- Outagamie 55087
- Ozaukee 55089
- Pepin 55091
- Pierce 55093
- Polk 55095
- Portage 55097
- Price 55099
- Racine 55101
- Richland 55103
- Rock 55105
- Rusk 55107
- Sauk 55111
- Sawyer 55113
- Shawano 55115
- Sheboygan 55117
- St. Croix 55109
- Taylor 55119
- Trempealeau 55121
- Vernon 55123
- Vilas 55125
- Walworth 55127
- Washburn 55129
- Washington 55131
- Waukesha 55133
- Waupaca 55135
- Waushara 55137
- Winnebago 55139
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/LEMI3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2867589 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T10:50:45Z