American Halfchaff Sedge
Cyperus neotropicalis
Found in riverine sandbars, depression ponds, interdune swales and ponds, borrow pits, impoundment shores, ditches, other moist exposed soil. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 76%
- Height
- Up to about 1 foot
- Light
- Full sun
- Soil moisture
- Moist to wet
No photograph yet. Looking for an old drawing…
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
- Life cycle
- Annual
- Bloom
- July to September
Not yet recorded · Spread · Leaves
Recorded in 10 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement.
Streams, rivers and their banks
Habitats
Streams, rivers and their banks; depression ponds and limesinks; Coastal dunes and beaches; ponds, lakes and their shores; roadsides, fields and disturbed ground.
Each habitat page lists the plants and wildlife also found there. All habitats
Who uses this plant?
7CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Cyperus
- Bactra verutanaJavelin Moth
- Diploschizia impigritellaYellow Nutsedge Moth
- Elasmopalpus lignosellaLesser Cornstalk Borer
- Euphyes pilatkaSawgrass Skipper, Palatka Skipper, Coastal Sedge Skipper, Keys Sawgrass Skipper[for subspecies Euphyes pilatka klotsi]
- Euphyes vestrisDun Skipper, Dun Sedge Skipper, Sedge Witch)\
- Globia oblongaOblong Sedge Borer Moth, Large Noagria
- Spodoptera frugiperdaFall Armyworm Moth
0BeesSoutheastern regional records
0Specialist beesPollen specialists
22BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Cyperus
- Agelaius phoeniceusRed-winged Blackbird
- Anas acutaNorthern Pintail
- Anser albifronsGreater White-fronted Goose
- Antigone canadensisSandhill Crane
- Aythya affinisLesser Scaup
- Aythya collarisRing-necked Duck
- Aythya valisineriaCanvasback
- Callipepla californicaCalifornia Quail
- Colinus virginianusNorthern Bobwhite
- Columbina passerinaCommon Ground Dove
Show all 22
- Cyrtonyx montezumaeMontezuma Quail
- Dendrocygna bicolorFulvous Whistling-Duck
- Falcipennis canadensisSpruce Grouse
- Gallinula galeataCommon Gallinule
- Mareca americanaAmerican Wigeon
- Mareca streperaGadwall
- Meleagris gallopavoWild Turkey
- Molothrus aterBrown-headed Cowbird
- Pooecetes gramineusVesper Sparrow
- Porzana carolinaSora
- Spizella pusillaField Sparrow
- Tympanuchus pallidicinctusLesser Prairie-Chicken
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
Growing sources and scope
- Bloom · “July to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “Green or brown” · Lady Bird Johnson Wildflower Center
- Height · “Up to about 1 foot” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Lipocarpha maculata
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | G5 |
| VA 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
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Florida (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- 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