Do not plant. Listed invasive in Georgia.
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Ecological relationships
Who uses this plant?
—CaterpillarsGenus host records with ranges including GA
—BeesSoutheastern regional records
—Specialist beesPollen specialists
9BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Najas
- Anas acutaNorthern Pintail
- Anas platyrhynchosMallard
- Aythya affinisLesser Scaup
- Aythya marilaGreater Scaup
- Cygnus olorMute Swan
- Mareca americanaAmerican Wigeon
- Mareca penelopeEurasian Wigeon
- Plectrophenax nivalisSnow Bunting
- Spatula clypeataNorthern Shoveler
Growing and identification
Plant details
- Family
- Hydrocharitaceae
- Flower color
- Green
- Growth rate
- Rapid
- Growth habit
- Spreads to form colonies
- Foliage color
- Green
- Fruit begins
- Summer
- Fruit ends
- Fall
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “Late summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Flower color · “Green” · 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 · “Summer” · 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 to form colonies” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 2 feet” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
- primary_flower_color · “green” · USDA PLANTS
- Soil · “Water (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
Also known as
Brittle Naiad; Brittle Water Nymph
Conservation status
| Georgia rank | Not available |
|---|---|
| Global rank | GNR |
| GA status | Not verified |
| Federal status | Not verified |
Sources
- tnky_atlas
- usda
- ga_invasive
- Georgia 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