States
North CarolinaTennesseeGeorgiaSouth CarolinaKentuckyAlabamaFloridaVirginia
Menu

Snail-seed Pondweed

Potamogeton bicupulatus

Found in sinkhole ponds and streams with acidic water. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

40
Good

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

Profile 76%

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

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Bloom
July to September

Not yet recorded · Height · Spread · Life cycle · Leaves

Height: NC species account not read yet.

Spread, life cycle and leaves: no source found yet.

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

Recorded in 1 Virginia county.

Natural habitats

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

1 of 2

Streams, rivers and their banks

Watauga Falls
Named place / source context. Shown: Watauga Falls, North Carolina, a neighboring state.Watauga Falls, Illustrator/engraver not confidently attributed; reproduced in Zeigler and Grosscup, The Heart of the Alleghanies (1883), 1883. Public domain. Source record.

Sinkhole ponds

Ponds and wet depressions in limestone sinkholes of the interior valleys and plateaus (karst), separate from the Coastal Plain's limesink ponds.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

7CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Potamogeton

  • Elophila gyralisWaterlily Borer Moth
  • Elophila icciusalisPondside Pyralid, Pondside Crambid
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Parapoynx badiusalisChestnut-Marked Pondweed Moth
  • Parapoynx obscuralisObscure Pondweed Moth
  • Parapoynx seminealisFloating-Heart Waterlilly Moth, Waterlily Casebearer
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
23BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Aix sponsaWood Duck
  • Anas acutaNorthern Pintail
  • Anas creccaGreen-winged Teal
  • Anas platyrhynchosMallard
  • Aythya affinisLesser Scaup
  • Aythya americanaRedhead
  • Aythya collarisRing-necked Duck
  • Aythya marilaGreater Scaup
  • Aythya valisineriaCanvasback
  • Bucephala clangulaCommon Goldeneye
Show all 23
  • Cygnus buccinatorTrumpeter Swan
  • Cygnus columbianusTundra Swan
  • Cygnus olorMute Swan
  • Fulica americanaAmerican Coot
  • Mareca americanaAmerican Wigeon
  • Mareca penelopeEurasian Wigeon
  • Mareca streperaGadwall
  • Melanitta perspicillataSurf Scoter
  • Oxyura jamaicensisRuddy Duck
  • Polysticta stelleriSteller's Eider
  • Porzana carolinaSora
  • Somateria fischeriSpectacled Eider
  • Spatula clypeataNorthern Shoveler
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
Potamogetonaceae
Growing sources and scope
Also known as

Snail seed Pondweed

Conservation status

Virginia rankS1
Global rankG4
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Sources