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Variable Flatsedge

Cyperus difformis

Found in disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you

—
Not native

Not native to Florida. How scores work Is it native here?

Profile 59%

Light
Full sun
Soil moisture
Dry to wet

At a glance

Bloom
July to October

Not yet recorded · Height · Spread · Life cycle · Leaves

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 17 Florida counties.

Natural habitats

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

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

11CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Cyperus

  • Argyrotaenia ivanaIvana Leafroller Moth
  • 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
  • Bactra cultellana
  • Bactra philocherda
Show all 11
  • Cosmopterix attenuatella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist 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

Growing and identification

Plant details

Family
Cyperaceae

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
  • Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Soil · “Dry; Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as

Variable Flat Sedge

Conservation status

Florida rankSNA
Global rankGNR
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources