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Pine-barren Flatsedge

Cyperus retrorsus

Found in dry woodlands, forests, and rock outcrops. FloraQuest, phone app (app page) What its natural habitat tells you

39
Good

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

Profile 88%

Height
Up to about 2.5 feet
Light
Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to October

Not yet recorded · Spread · Leaves

Recorded in 42 Virginia counties.

Natural habitats

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

1 of 3

Cliffs, ledges and rocky summits

Sassafras Mountain rock outcrop
Rock outcrop on a mountain summit. Shown: Sassafras Mountain, on the North Carolina and South Carolina line, a neighboring state.Sassafras Mountain rock outcrop, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record. Faithful JPEG display decode of embedded JP2; no AI or color enhancement. Phone derivative resized proportionally.

Dry forests and woodlands

Forests and open woodlands on dry ridges and slopes, often oak or pine.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

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
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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
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

1AntsRecorded seed interactions
  • Pogonomyrmex badius

Pogonomyrmex badius: Seed predation.

No records yet · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Cyperaceae
Flower color
Green

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “July to October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Flower color · “Green” · Lady Bird Johnson Wildflower Center
  • Height · “Up to about 2.5 feet” · Lady Bird Johnson Wildflower Center
  • Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
  • Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Pine Barren Flat Sedge; Pine barren Flatsedge

Conservation status

Virginia rankS5
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources