Snail-seed Pondweed
Potamogeton bicupulatus
Found in sinkhole ponds and streams with acidic water. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 76%
- Light
- Full sun
- Soil moisture
- Standing water
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.
Streams, rivers and their banks
Ponds and wet depressions in limestone sinkholes of the interior valleys and plateaus (karst), separate from the Coastal Plain's limesink ponds.
Who uses this plant?
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
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
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
Plant details
- Family
- Potamogetonaceae
Growing sources and scope
- Bloom · “July to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Water (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Snail seed Pondweed
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | G4 |
| VA 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
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- 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