Index / Search / Myriophyllum heterophyllum
§1 Plant
Myriophyllum heterophyllum Michx.
vernacular twoleaf watermilfoil — species · Haloragaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Haloragaceae R. Br.
- Genus
- Myriophyllum
§2a
Native status, by region
- CAN Canada Native
- L48 Lower 48 States Native
§2b
County-level range
· 349 counties across 32 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 349 counties across 32 states/territories.
Alabama view state ↗ 10 N ▾
Arkansas view state ↗ 12 N ▾
Delaware view state ↗ 1 N ▾
Florida view state ↗ 22 N ▾
Georgia view state ↗ 22 N ▾
- Appling 13001
- Baker 13007
- Ben Hill 13017
- Bulloch 13031
- Burke 13033
- Chatham 13051
- Cherokee 13057
- Clarke 13059
- Columbia 13073
- Crawford 13079
- DeKalb 13089
- Early 13099
- Effingham 13103
- Floyd 13115
- Henry 13151
- Houston 13153
- Jackson 13157
- Jefferson 13163
- Lowndes 13185
- McDuffie 13189
- Muscogee 13215
- Screven 13251
Illinois view state ↗ 14 N ▾
Indiana view state ↗ 6 N ▾
Iowa view state ↗ 1 N ▾
Kansas view state ↗ 13 N ▾
Kentucky view state ↗ 9 N ▾
Louisiana view state ↗ 30 N ▾
- Allen 22003
- Bossier 22015
- Caddo 22017
- Calcasieu 22019
- Caldwell 22021
- Cameron 22023
- Catahoula 22025
- Claiborne 22027
- East Baton Rouge 22033
- Evangeline 22039
- Grant 22043
- Jackson 22049
- Lincoln 22061
- Madison 22065
- Morehouse 22067
- Natchitoches 22069
- Ouachita 22073
- Plaquemines 22075
- Rapides 22079
- St. Helena 22091
- St. Landry 22097
- St. Martin 22099
- St. Tammany 22103
- Tangipahoa 22105
- Tensas 22107
- Union 22111
- Vermilion 22113
- Vernon 22115
- Webster 22119
- Winn 22127
Maryland view state ↗ 2 N ▾
Massachusetts view state ↗ 9 N ▾
Michigan view state ↗ 38 N ▾
- Alger 26003
- Alpena 26007
- Antrim 26009
- Barry 26015
- Bay 26017
- Benzie 26019
- Berrien 26021
- Branch 26023
- Calhoun 26025
- Cass 26027
- Charlevoix 26029
- Cheboygan 26031
- Clinton 26037
- Delta 26041
- Emmet 26047
- Genesee 26049
- Grand Traverse 26055
- Gratiot 26057
- Hillsdale 26059
- Houghton 26061
- Huron 26063
- Kalamazoo 26077
- Kent 26081
- Keweenaw 26083
- Livingston 26093
- Mackinac 26097
- Macomb 26099
- Marquette 26103
- Menominee 26109
- Midland 26111
- Montmorency 26119
- Muskegon 26121
- Oakland 26125
- Presque Isle 26141
- Schoolcraft 26153
- St. Clair 26147
- St. Joseph 26149
- Washtenaw 26161
Minnesota view state ↗ 1 N ▾
Mississippi view state ↗ 1 N ▾
Missouri view state ↗ 37 N ▾
- Barton 29011
- Bollinger 29017
- Butler 29023
- Camden 29029
- Carter 29035
- Crawford 29055
- Dallas 29059
- Dent 29065
- Douglas 29067
- Dunklin 29069
- Greene 29077
- Grundy 29079
- Henry 29083
- Howell 29091
- Jackson 29095
- Jasper 29097
- Jefferson 29099
- Laclede 29105
- Lawrence 29109
- Maries 29125
- Oregon 29149
- Ozark 29153
- Pemiscot 29155
- Perry 29157
- Phelps 29161
- Pulaski 29169
- Reynolds 29179
- Ripley 29181
- Shannon 29203
- St. Charles 29183
- St. Clair 29185
- St. Louis 29189
- Stoddard 29207
- Texas 29215
- Washington 29221
- Wayne 29223
- Wright 29229
New Hampshire view state ↗ 1 N ▾
New Jersey view state ↗ 11 N ▾
New York view state ↗ 13 N ▾
North Carolina view state ↗ 19 N ▾
North Dakota view state ↗ 2 N ▾
Ohio view state ↗ 7 N ▾
Oklahoma view state ↗ 4 N ▾
Pennsylvania view state ↗ 3 N ▾
Rhode Island view state ↗ 2 N ▾
South Carolina view state ↗ 13 N ▾
Tennessee view state ↗ 6 N ▾
Vermont view state ↗ 1 N ▾
Virginia view state ↗ 17 N ▾
- Caroline 51033
- Chesapeake (city) 51550
- Chesterfield 51041
- Dinwiddie 51053
- Gloucester 51073
- Greensville 51081
- King and Queen 51097
- New Kent 51127
- Northampton 51131
- Prince George 51149
- Southampton 51175
- Spotsylvania 51177
- Suffolk (city) 51800
- Sussex 51183
- Virginia Beach (city) 51810
- Wise 51195
- York 51199
West Virginia view state ↗ 8 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/MYHE2 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5361762 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T09:28:40Z