Common Duckweed
Lemna minor
Found in still to slowly moving waters of ponds, lakes, beaver ponds, and swamps. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Mississippi (estimated). How scores work Is it native here?
Profile 100%
- Height
- 3 inches
- Spread
- 1–3 feet
- Light
- Full sun, Partial shade
- Soil moisture
- Wet to standing water
Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Bloom
- Summer
- Fruiting season
- Summer
Not yet recorded · Leaves
Recorded in 8 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Still water and its edges: ponds, lakes, millponds and reservoirs.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 90 animals.
- Indigo BuntingPasserina cyanea
- Least FlycatcherEmpidonax minimus
- Lincoln's SparrowMelospiza lincolnii
- Marsh WrenCistothorus palustris
- Northern ShovelerAnas clypeata
- Northern WaterthrushSeiurus noveboracensis
- Orchard OrioleIcterus spurius
- Pileated WoodpeckerDryocopus pileatus
- Purple GallinulePorphyrio martinica
- Red-breasted NuthatchSitta canadensis
- Ring-necked DuckAythya collaris
- Ruby-throated HummingbirdArchilochus colubris
- Rusty BlackbirdEuphagus carolinus
- Swainson's WarblerLimnothlypis swainsonii
- Swamp SparrowMelospiza georgiana
- Tree SwallowTachycineta bicolor
- White-eyed VireoVireo griseus
- Wilson's WarblerWilsonia pusilla
- Wood StorkMycteria americana
- Yellow-throated WarblerDendroica dominica
- Bewick's WrenThryomanes bewickii
- Blue-headed VireoVireo solitarius
- Blue-winged TealAnas discors
- Boat-tailed GrackleQuiscalus major
Widespread birds also seen here (43)
Found in many habitats here, so not listed above.
- American Crow
- American Goldfinch
- American Kestrel
- American Robin
- Bald Eagle
- Belted Kingfisher
- Black-crowned Night-heron
- Blue Grosbeak
- Carolina Chickadee
- Carolina Wren
- Cedar Waxwing
- Chimney Swift
- Common Grackle
- Common Nighthawk
- Common Yellowthroat
- Cooper's Hawk
- Double-crested Cormorant
- Eastern Kingbird
- Eastern Screech-owl
- Eastern Towhee
- Eurasian Collared-dove
- European Starling
- Fish Crow
- Great Crested Flycatcher
- Great Horned Owl
- Hooded Merganser
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Osprey
- Purple Finch
- Red-shouldered Hawk
- Red-tailed Hawk
- Red-winged Blackbird
- Sharp-shinned Hawk
- Swallow-tailed Kite
- Tufted Titmouse
- Turkey Vulture
- White-throated Sparrow
- Yellow-breasted Chat
- Yellow-crowned Night-heron
- Yellow-rumped Warbler
Who uses this plant?
3CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · Lemna
- Elophila obliteralisWaterlily Leafcutter Moth
- Elophila tinealisBlack Duckweed Moth
- Neocataclysta magnificalisScrollwork Pyralid
14BirdsRecorded eating Lemna in Mississippi
Diet records by plant genus, from studies across North America. Not a record from this state. Birds whose range includes Mississippi, most records first.
- American CootSeeds. 12 diet records
- SoraLeaves. 5 diet records
- Virginia RailLeaves. 5 diet records
- Mallard3 diet records
- Lesser ScaupLeaves. 2 diet records
- Boat-tailed Grackle2 diet records
- American WigeonLeaves. 1 diet record
- CanvasbackLeaves. 1 diet record
- Common GoldeneyeLeaves. 1 diet record
- GadwallLeaves. 1 diet record
Show all 14
- Greater Scaup1 diet record
- RedheadLeaves. 1 diet record
- Ring-necked DuckLeaves. 1 diet record
- Wood DuckSeeds. 1 diet record
Direct food only. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Birds that eat Lemna 14
Diet records by plant genus, from studies across North America. Not a record from this state. Avian Diet Database (Hurlbert Lab), CC0 1.0.
- American CootFulica americana
- SoraPorzana carolina
- Virginia RailRallus limicola
- MallardAnas platyrhynchos
- Lesser ScaupAythya affinis
- Boat-tailed GrackleQuiscalus major
- American WigeonAnas americana
- CanvasbackAythya valisineria
- Common GoldeneyeBucephala clangula
- GadwallAnas strepera
- Greater ScaupAythya marila
- RedheadAythya americana
- Ring-necked DuckAythya collaris
- Wood DuckAix sponsa
Plant details
- Family
- Araceae
- Hardiness
- Zones 4a–10b
- Flower color
- Green or white
- Growth rate
- Rapid
- Growth habit
- Single crown
- Foliage color
- Green
- Fruit begins
- Summer
- Fruit ends
- Summer
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Green or white” · NC Extension Plant Toolbox (ranked first; USDA PLANTS differs)
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Single crown” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 4a–10b” · NC Extension Plant Toolbox
- Height · “3 inches” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Frequent standing water” · NC Extension Plant Toolbox
- Spread · “1–3 feet” · NC Extension Plant Toolbox
Conservation status
| Mississippi rank | SNR |
|---|---|
| Global rank | G5 |
| MS status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Mississippi occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications





































