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Cyperus ligularis L.
Swamp flatsedge

Cyperus ligularis
Copyright by: Keith A. Bradley

Family: Cyperaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Peninsular Florida, the West Indies, Mexico, Central America, South America and the Old World.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Secure

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Cultivated

Other data on Cyperus ligularis available from :

Atlas of Florida Vascular Plants
Cyperus ligularis has been found in the following 145 conservation areas :
Occurrence Native Status
A.D. Doug Barnes Park Present Native
Alice C. Wainwright Park Present Native
Arch Creek Addition Present Native
Arch Creek Park Present Native
Arthur R. Marshall Loxahatchee National Wildlife Refuge Present Native
Atlantic Dunes Park Present Native
Attwood Addition, Indian Key Historic State Park Present Native
Babcock Ranch Preserve Present Native
Bahia Honda State Park Present Native
Big Cypress National Preserve Present Native
Bill Baggs Cape Florida State Park Present Native
Bill Sadowski Park Present Native
Biscayne National Park Present Native
Biscayne National Park, Florida Keys Section Present Native
Black Point Park and Marina Present Native
Blazing Star Preserve Present Native
Blowing Rocks Preserve Present Native
Blue Heron Hammock, Florida Keys Wildlife and Environmental Area Present Native
Bonair Beach Parcel, Martin County Present Native
Caloosahatchee Creeks Preserve Present Native
Caloosahatchee Regional Park Present Native
Camp Owaissa Bauer Present Native
Castellow Hammock Park Present Native
Cayo Costa State Park Present Native
Chapman Field Park Present Native
Coconut Creek Maple Swamp Natural Area Present Native
Collier-Seminole State Park Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
Crandon Park Present Native
Crocodile Lake National Wildlife Refuge Present Native
Crystal Lake Sand Pine Scrub Natural Area Present Native
Curry Hammock State Park Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Danforth Park Present Native
Daskas Present Native
Deering Estate at Cutler Present Native
Delnor-Wiggins Pass State Park Present Native
Delray Beach, Lake Ida parcel Present Native
Delray Oaks Natural Area Present Native
Dolphin Center and Dolphin Center Addition Present Native
Don Pedro Island State Park Present Native
Doris Davis Forman Wilderness Preserve Natural Area Present Native
Dr. Von D. Mizell-Eula Johnson State Park Present Native
Dupuis Reserve Present Native
Enchanted Forest Park Present Native
Estero Bay Preserve State Park Present Native
Everglades and Francis S. Taylor Wildlife Management Area Present Native
Everglades National Park Present Native
Fakahatchee Strand Preserve State Park Present Native
Fern Forest Nature Center Present Native
Florida Panther National Wildlife Refuge Present Native
Fred C. Babcock-Cecil M. Webb Wildlife Management Area Present Native
Frenchman's Forest Natural Area Present Native
Frog Pond/L-31 N Transition Lands Present Native
Gasparilla Island State Park Present Native
Gomez Present Native
Grassy Waters Preserve Present Native
Halpatiokee Regional Park Present Native
Hattie Bauer Hammock Present Native
Hawk's Hammock Park Present Native
Hickey Creek Mitigation Park Wildlife and Environmental Area Present Native
Highland Oaks Park Present Native
Highlands Scrub Natural Area Present Native
Hillsboro Pineland Natural Area Present Native
Hobe Sound National Wildlife Refuge Present Native
Hobe Sound Sandhill Present Native
Homestead Bayfront Park Present Native
Hugh Taylor Birch State Park Present Native
Indian Key Historic State Park Reported
J.N. Ding Darling National Wildlife Refuge Present Native
J.W. Corbett Wildlife Management Area Present Native
John D. MacArthur Beach State Park Present Native
John Pennekamp Coral Reef State Park Present Native
Jonathan Dickinson State Park Present Native
Juno Dunes Natural Area Present Native
Jupiter Inlet Lighthouse Outstanding Natural Area Present Native
Jupiter Ridge Natural Area Present Native
Kendall Indian Hammocks Park Present Native
Kiplinger Present Native
Koreshan State Historic Site Present Native
Lake San Pedro Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Larry and Penny Thompson Park Present Native
Lignumvitae Key Botanical State Park Reported
Lignumvitae Key Botanical State Park, Klopp Tract Present Native
Little Hamaca Park Present Native
Loggerhead Park Present Native
Long Key Natural Area & Nature Center Present Native
Long Key State Park Present Native
Loxahatchee River Natural Area Present Native
Matanzas Pass Preserve Present Native
Matheson Hammock Park Present Native
Military Trail Natural Area Present Native
Milton E. Thompson Park Present Native
Miramar Pineland Present Native
Muscara Present Native
National Key Deer Refuge Present Native
Navy Wells Pineland 23 Present Native
Navy Wells Pineland Preserve Present Native
Ned Glenn Nature Preserve Assumed to be Present Native
Oak Grove Park Present Native
Ocean Ridge Hammock Park Present Native
Okaloacoochee Slough State Forest, Okaloacoochee Slough Wildlife Management Area Present Native
Okaloacoochee Slough Wildlife Management Area - FWC, Okaloacoochee Slough Wildlife Management Area Present Native
Oleta River State Park Present Native
Pal-Mar Present Native
Peck Lake Park Present Native
Phipps Ocean Park Present Native
Pine Island Ridge Natural Area Present Native
Pine Jog Environmental Sciences Center Present Native
Pine Ridge Sanctuary Present Native
Pond Apple Slough Natural Area Present Native
Porter-Russell Pineland Present Native
Prairie Pines Preserve Present Native
R. Hardy Matheson Preserve Present Native
Railhead Scrub Preserve Present Native
Red Reef Park, including Gumbo Limbo Nature Center Present Native
Riverbend Park Present Native
Rocky Point Hammock Present Native
Rolling Oaks Park Present Native
Rookery Bay National Estuarine Research Reserve Present Native
Royal Palm Beach Pines Natural Area Present Native
San Carlos Bay - Bunche Beach Preserve Present Native
Savannas Preserve State Park Present Native
Scrub Oak Park Present Native
Seabranch Preserve State Park Present Native
Secret Woods Nature Center Present Native
Six Mile Cypress Slough Preserve Present Native
St. Lucie Inlet Preserve State Park Present Native
Stump Pass Beach State Park Present Native
Tall Cypress Natural Area Present Native
Ten Thousand Islands National Wildlife Refuge Present Native
The Barnacle State Historic Park Present Native
Tilton Present Native
Tradewinds Park & Stables Present Native
Tree Island Park Present Native
Twin Rivers Present Native
Virginia Key Beach Park and Marine Stadium Present Native
Warbler Wetland Natural Area Present Native
West Lake Park/Anne Kolb Nature Center Present Native
Wild Turkey Strand Preserve Present Native
Windley Key Fossil Reef Geological State Park Present Native
Woodmont Natural Area Present Native
Yamato Scrub Natural Area Present Native
Yellow Fever Creek Preserve Present Native
Zoo Miami Present Native

Cyperus ligularis has been found in the following 10 counties :
Occurrence Native Status
Broward County Native
Charlotte County Native
Collier County Native
Glades County Native
Hendry County Native
Lee County Native
Martin County Native
Miami-Dade County Native
Monroe County (Keys) Native
Palm Beach County Native

Cyperus ligularis has been found in the following 8 habitats :
Beach Dune
Coastal Berm
Coastal Interdunal Swale
Coastal Strand
Disturbed Upland
Marl Prairie
Pine Rockland
Rockland Hammock

All Images:

Cyperus ligularis
Copyright by: Keith A. Bradley
Cyperus ligularis
Copyright by: Thrity Vakil; Agrandar.
Cyperus ligularis
Copyright by: Thrity Vakil; Agrandar.
Cyperus ligularis
Copyright by: Jay Horn via iNaturalist
Cyperus ligularis
Copyright by: Jay Horn via iNaturalist
Cyperus ligularis
Copyright by: Jay Horn via iNaturalist