Wolf's Spikerush
Eleocharis wolfii
In the Carolinas and Georgia, found in oak flatwoods, shallow ephemeral pools on granitic flatrocks, prairies, barrens, swales, savannas. Great Lakes dunes further northward. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Arkansas. How scores work Is it native here?
Profile 88%
- Height
- Up to about 16 inches
- Light
- Partial shade, Full sun
- Soil moisture
- Moist to wet
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Perennial
- Bloom
- May to July
Not yet recorded · Spread · Leaves
Recorded in 26 Arkansas counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Flat, poorly drained uplands and terraces with oaks, sweetgum and sometimes loblolly pine, wet in winter and dry in summer, but neither a floodplain nor a swamp.
Granite and other acidic rock outcrops
Bare or thin-soil rock on granite, gneiss, sandstone, quartzite and similar acidic rock, including granite flatrocks and domes.
Open, grass-dominated places kept open by fire, grazing or thin soil, from tallgrass prairie to Piedmont prairies.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Arkansas. Shared habitat, not food. 88 animals.
- Acadian FlycatcherEmpidonax virescens
- Alder FlycatcherEmpidonax alnorum
- American Black DuckAnas rubripes
- American GoldfinchCarduelis tristis
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- Bald EagleHaliaeetus leucocephalus
- Bell's VireoVireo bellii
- Belted KingfisherMegaceryle alcyon
- Black-and-White WarblerMniotilta varia
- Black-crowned Night-heronNycticorax nycticorax
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
- Blue-gray GnatcatcherPolioptila caerulea
- Brown CreeperCerthia americana
- Brown-headed CowbirdMolothrus ater
- Canada GooseBranta canadensis
- CanvasbackAythya valisineria
- Carolina WrenThryothorus ludovicianus
- Cedar WaxwingBombycilla cedrorum
- Chimney SwiftChaetura pelagica
- Cliff SwallowPetrochelidon pyrrhonota
- Common NighthawkChordeiles minor
- Common YellowthroatGeothlypis trichas
Who uses this plant?
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
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
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
- Cyperaceae
- Flower color
- Green or brown
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to July” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 16 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Wolfs Spike Rush
Conservation status
| Arkansas rank | S3 |
|---|---|
| Global rank | G3G5 |
| AR 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
- Atlas of the Vascular Plants of Arkansas (2013)
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- NatureServe Explorer
- Arkansas 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

























