
Ecological relationships
Who uses this plant?
6CaterpillarsGenus host records with ranges including SC
Genus host records with ranges including SC · Hydrocotyle
- Elophila obliteralisWaterlily Leafcutter Moth
- Enigmogramma basigeraPink-Washed Looper Moth
- Herpetogramma bipunctalisSouthern Beet Webworm, Two-Spotted Herpetogramma
- Papilio polyxenesBlack Swallowtail, Celery Caterpillar, Fennel Worm, Desert Black Swallowtail, Parsnip Swallowtail
- Sparganothis sulfureanaSparganothis Fruitworm Moth, Sulfur Leafroller, False Yellow-Head
- Spodoptera eridaniaSouthern Armyworm Moth
2BeesSoutheastern regional records
Southeastern regional records · Hydrocotyle
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
3BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Hydrocotyle
- Agelaius phoeniceusRed-winged Blackbird
- Gallinula galeataCommon Gallinule
- Quiscalus majorBoat-tailed Grackle
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Growing and identification
Plant details
- Family
- Araliaceae
- Hardiness
- Zones 3a–7b
- Soil pH
- Acidic to neutral
- Flower color
- Green or white
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Green or white” · NC Extension Plant Toolbox
- Hardiness · “Zones 3a–7b” · NC Extension Plant Toolbox
- Height · “2–10 inches” · Minnesota Wildflowers
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Dappled sunlight (shade through upper canopy all day); Deep shade (less than 2 hours to no direct sunlight)” · NC Extension Plant Toolbox
- Soil · “Frequent standing water; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Acidic to neutral” · NC Extension Plant Toolbox
Also known as
American Marsh Pennywort; American Water pennywort
Conservation status
| South Carolina rank | Not available |
|---|---|
| Global rank | G5 |
| SC status | Not verified |
| Federal status | Not verified |
In your garden
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Sources
- tnky_atlas
- usda
- nc_flora
- South Carolina 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