Ravenfoot Sedge
Carex crus-corvi
In the Carolinas and Georgia, found in swamp forests, especially over calcareous substrates. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
57
Strong
Native to Louisiana (estimated). How scores work Is it native here?
Profile 100%
- Height
- About 3 feet
- Spread
- 1–2 feet
- Light
- Part to full shade
- Soil moisture
- Average to moist
Space about 1.5 ft apart from its recorded spread, about 44 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Bloom
- May to July
- Fruiting season
- Spring to summer
JFMAMJJASOND
Not yet recorded · Life cycle · Leaves
Recorded in 45 Louisiana parishes.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forested wetlands with standing water much of the year, such as cypress and gum swamps.
Ecological relationships
Who uses this plant?
18CaterpillarsGenus host records with ranges including LA
Genus host records with ranges including LA · Carex
- Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
- Amolita roseolaPink Sedge Moth, Rosy Grass Moth
- Anatrytone loganDelaware Skipper, Logan Skipper, Black-Vein Skipper
- Cercyonis pegalaCommon Wood Nymph
- Deltote belliculaBurnished Bog Moth, Bog Deltote, Bog Lithacodia
- Euphyes dionDion Skipper, Sedge Skipper
- Euphyes dukesiDukes' Skipper
- Euphyes vestrisDun Skipper, Dun Sedge Skipper, Sedge Witch)\
- Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
- Lethe appalachiaAppalachian Brown, Appalachian Eyed Brown
Show all 18
- Leucania phragmitidicolaNeedle Wainscot, Phragmites Wainscot
- Maliattha synochitisBlack-Dotted Lithacodia, Black-Dotted Glyph, Brass-Dotted Grass Moth
- Papaipema nebrisStalk Borer
- Poanes viatorBroad-Winged Skipper
- Pseudeustrotia carneolaPink-Barred Lithacodia, Pink-Barred Pseudeustrotia
- Spodoptera frugiperdaFall Armyworm Moth
- Cosmopterix ebriola
- Donacaula dispersella
1BeesSoutheastern regional records
Southeastern regional records · Carex
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
50BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Carex
- Acanthis flammeaCommon Redpoll
- Agelaius phoeniceusRed-winged Blackbird
- Ammospiza leconteiiLeConte's Sparrow
- Anas acutaNorthern Pintail
- Anas creccaGreen-winged Teal
- Anas platyrhynchosMallard
- Anas rubripesAmerican Black Duck
- Anser albifronsGreater White-fronted Goose
- Anser caerulescensSnow Goose
- Anser rossiiRoss's Goose
Show all 50
- Anthus rubescensAmerican Pipit
- Anthus spragueiiSprague's Pipit
- Bonasa umbellusRuffed Grouse
- Branta canadensisCanada Goose
- Calcarius lapponicusLapland Longspur
- Calcarius ornatusChestnut-collared Longspur
- Calcarius pictusSmith's Longspur
- Callipepla californicaCalifornia Quail
- Cardinalis cardinalisNorthern Cardinal
- Centrocercus urophasianusGreater Sage-Grouse
- Colinus virginianusNorthern Bobwhite
- Cygnus buccinatorTrumpeter Swan
- Cygnus columbianusTundra Swan
- Dendragapus obscurusDusky Grouse
- Falcipennis canadensisSpruce Grouse
- Fulica americanaAmerican Coot
- Haemorhous mexicanusHouse Finch
- Junco hyemalisDark-eyed Junco
- Lagopus lagopusWillow Ptarmigan
- Lagopus leucuraWhite-tailed Ptarmigan
- Lagopus mutaRock Ptarmigan
- Leucosticte atrataBlack Rosy-Finch
- Mareca americanaAmerican Wigeon
- Meleagris gallopavoWild Turkey
- Melospiza melodiaSong Sparrow
- Molothrus aterBrown-headed Cowbird
- Pheucticus ludovicianusRose-breasted Grosbeak
- Pinicola enucleatorPine Grosbeak
- Pipilo maculatusSpotted Towhee
- Plectrophenax nivalisSnow Bunting
- Pooecetes gramineusVesper Sparrow
- Porzana carolinaSora
- Rallus limicolaVirginia Rail
- Rhynchophanes mccowniiMcCown's Longspur
- Spatula discorsBlue-winged Teal
- Spinus psaltriaLesser Goldfinch
- Spizella passerinaChipping Sparrow
- Spizelloides arboreaAmerican Tree Sparrow
- Zonotrichia atricapillaGolden-crowned Sparrow
- Zonotrichia leucophrysWhite-crowned Sparrow
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
- Hardiness
- Zones 4–8
- Flower color
- Green
- Growth rate
- Moderate
- Growth habit
- Grows in clumps
- Foliage color
- Green
- Fruit begins
- Spring
- Fruit ends
- Summer
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 (ranked first; USDA PLANTS differs) · Carolinas and Georgia
- Flower color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Spring” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Grows in clumps” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Moderate” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Hardiness · “Zones 4–8” · Missouri Botanical Garden Plant Finder
- Height · “About 3 feet” · USDA PLANTS (ranked first; Missouri Botanical Garden Plant Finder differs) · Nationwide species characteristics; local growing conditions may vary
- Light · “Part to full shade” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder differs) · Published Tennessee growing guidance; exact cached scientific heading
- Soil · “moderately wet to medium” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder differs) · Published Tennessee growing guidance; exact cached scientific heading
- Spread · “1–2 feet” · Missouri Botanical Garden Plant Finder
Also known as
Crowfoot Sedge
Conservation status
| Louisiana rank | SNR |
|---|---|
| Global rank | G5 |
| LA status | Not verified |
| Federal status | Not verified |
In your garden
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Choose a county to begin.
Growing cautions
- Spreads slowly. Spreads slowly by re-seeding and by rhizomes. Tennessee Smart Yards
For planning only; these do not change the score or Fit.
Sources
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- Louisiana 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