American Frog's-bit
Limnobium spongia
Native to Mississippi. How scores work Is it native here?
Profile 100%
- Height
- About 6 inches
- Light
- 4 or more hours of direct sun
- Soil moisture
- Moist to wet

At a glance
- Bloom
- Mid spring
- Fruiting season
- Spring to fall
Not yet recorded · Spread · Life cycle · Leaves
Recorded in 17 Mississippi counties.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Mississippi. Shared habitat, not food. 90 animals.
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?
2CaterpillarsGenus host records with ranges including MS
Genus host records with ranges including MS · Limnobium
- Elophila gyralisWaterlily Borer Moth
- Elophila obliteralisWaterlily Leafcutter Moth
1BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Limnobium
- Gallinula galeataCommon Gallinule
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
- Hydrocharitaceae
- Flower color
- White
- Growth rate
- Moderate
- Growth habit
- Spreads by runners
- Foliage color
- Green
- Fruit begins
- Spring
- Fruit ends
- Fall
What its natural habitat tells you
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Mid spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “White” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Spreads by runners” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 6 inches” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- primary_flower_color · “white” · USDA PLANTS
Also known as
American Frog's bit; American Frogs Bit; Spongeplant
Conservation status
| Mississippi rank | S4 |
|---|---|
| Global rank | G4 |
| 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.
Growing cautions
- Spreads by runners. USDA PLANTS lists its growth form as stoloniferous. USDA PLANTS
For planning only; these do not change the score or Fit.
Sources
- NatureServe Explorer
- 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

