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Little Duckweed

Lemna obscura

In the Carolinas and Georgia, found in still to slowly moving waters of ponds, lakes, beaver ponds, and swamps. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

27
Good

Native to Arkansas. How scores work Is it native here?

Profile 65%

Light
Partial shade, Full sun
Soil moisture
Standing water
Will it fit your yard?

At a glance

Life cycle
Perennial

Not yet recorded · Height · Spread · Leaves · Bloom

Height and bloom: NC species account not read yet.

Spread and leaves: no source found yet.

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

County records are not available.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Ponds, lakes and their shores

Still water and its edges: ponds, lakes, millponds and reservoirs.

Swamps

Forested wetlands with standing water much of the year, such as cypress and gum swamps.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 88 animals.

All wildlife of Arkansas

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Lemna

  • Elophila icciusalisPondside Pyralid, Pondside Crambid
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Elophila tinealisBlack Duckweed Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
16BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Lemna

  • Aix sponsaWood Duck
  • Anas platyrhynchosMallard
  • Aythya affinisLesser Scaup
  • Aythya americanaRedhead
  • Aythya collarisRing-necked Duck
  • Aythya marilaGreater Scaup
  • Aythya valisineriaCanvasback
  • Bucephala clangulaCommon Goldeneye
  • Falcipennis canadensisSpruce Grouse
  • Fulica americanaAmerican Coot
Show all 16
  • Gallinula galeataCommon Gallinule
  • Mareca americanaAmerican Wigeon
  • Mareca streperaGadwall
  • Porzana carolinaSora
  • Quiscalus majorBoat-tailed Grackle
  • Rallus limicolaVirginia Rail
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. 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

Growing and identification

Plant details

Family
Araceae
Flower color
Green

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope

Conservation status

Arkansas rankSNR
Global rankG5
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

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How to check your spot

Sources