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Horsetail Spikerush

Eleocharis equisetoides

In the Carolinas and Georgia, found in quiet waters of limesink (doline) ponds, natural lakes, borrow pits, ditches, artificial millponds. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

34
Good

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

Profile 100%

Height
About 3.2 feet
Light
Full sun
Soil moisture
Wet to 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
June to September
Fruiting season
Summer to fall

Not yet recorded · Spread · Life cycle · Leaves

Recorded in 2 Arkansas counties.

Natural habitats

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

All habitats

Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Eleocharis

  • Bactra furfuranaRush Bactra
  • Cisseps fulvicollisYellow-Collared Scape Moth
  • Elophila obliteralisWaterlily Leafcutter Moth
  • Parapoynx allionealisWatermilfoil Leafcutter, Bladderwort Casemaker
  • Donacaula dispersella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
14BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Agelaius phoeniceusRed-winged Blackbird
  • Anas creccaGreen-winged Teal
  • Anas rubripesAmerican Black Duck
  • Anser caerulescensSnow Goose
  • Antigone canadensisSandhill Crane
  • Aythya collarisRing-necked Duck
  • Branta canadensisCanada Goose
  • Dendrocygna bicolorFulvous Whistling-Duck
  • Fulica americanaAmerican Coot
  • Gallinula galeataCommon Gallinule
Show all 14
  • Mareca americanaAmerican Wigeon
  • Mareca streperaGadwall
  • Porzana carolinaSora
  • Spatula cyanopteraCinnamon Teal
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
Cyperaceae
Flower color
Green
Growth rate
Moderate
Growth habit
Grows in clumps
Fruit begins
Summer
Fruit ends
Fall
Growing sources and scope
Also known as

Horsetail Spike Rush; Jointed Spike Rush

Conservation status

Arkansas rankS1
Global rankG4
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources