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Cyperus rotundus L.
Nut-grass

Cyperus rotundus

Family: Cyperaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Eurasia; naturalized elsewhere.

Map of Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

South Florida History and Distribution: IRC considers this an emerging invasive in South Florida.

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, click on the Atlas of Florida Vascular Plants link below.

Other data on Cyperus rotundus available from :

Atlas of Florida Vascular Plants
Cyperus rotundus has been found in the following 59 conservation areas :
Occurrence Native Status
Alice C. Wainwright Park Possibly Extirpated Not Native, Naturalized
Arch Creek Park Present Not Native, Naturalized
Bahia Honda State Park Present Not Native, Naturalized
Big Cypress National Preserve Present Not Native, Naturalized
Bill Baggs Cape Florida State Park Present Not Native, Naturalized
Bill Sadowski Park Present Not Native, Naturalized
Biscayne National Park Present Not Native, Naturalized
Biscayne National Park, Florida Keys Section Present Not Native, Naturalized
Blazing Star Preserve Present Not Native, Naturalized
Blowing Rocks Preserve Present Not Native, Naturalized
Caloosahatchee Creeks Preserve Present Not Native, Naturalized
Camp Owaissa Bauer Present Not Native, Naturalized
Cape Romano - Ten Thousand Islands Aquatic Preserve Present Not Native, Naturalized
Castellow Hammock Park Present Not Native, Naturalized
Crandon Park Present Not Native, Naturalized
Crystal Lake Sand Pine Scrub Natural Area Present Not Native, Naturalized
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized
Deering Estate at Cutler Present Not Native, Naturalized
Delray Beach Municipal Beach Present Not Native, Naturalized
Delray Beach, Lake Ida parcel Present Not Native, Naturalized
Delray Oaks Natural Area Present Not Native, Naturalized
Dr. Von D. Mizell-Eula Johnson State Park Present Not Native, Naturalized
Dry Tortugas National Park Present Not Native, Naturalized
Dupuis Reserve Present Not Native, Naturalized
Everglades National Park Present Not Native, Naturalized
Frog Pond/L-31 N Transition Lands Present Not Native, Naturalized
Gopher Tortoise Preserve Present Not Native, Naturalized
Greynolds Park Present Not Native, Naturalized
Hattie Bauer Hammock Present Not Native, Naturalized
Hillsboro Pineland Natural Area Present Not Native, Naturalized
Hobe Sound National Wildlife Refuge Present Not Native, Naturalized
Hugh Taylor Birch State Park Present Not Native, Naturalized
John D. MacArthur Beach State Park Present Not Native, Naturalized
Jonathan Dickinson State Park Present Not Native, Naturalized
Juno Dunes Natural Area Present Not Native, Naturalized
Jupiter Inlet Lighthouse Outstanding Natural Area Present Not Native, Naturalized
Kendall Indian Hammocks Park Present Not Native, Naturalized
Lake Frances Present Not Native, Naturalized
Lake San Pedro Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Long Key Natural Area & Nature Center Present Not Native, Naturalized
Loveland Hammock Present Not Native, Naturalized
Lucille Hammock Present Not Native, Naturalized
Navy Wells Pineland Preserve Present Not Native, Naturalized
Nicodemus Slough Present Not Native, Naturalized
Nixon Smiley Pineland Addition Present Not Native, Naturalized
Palm Drive Pineland Present Not Native, Naturalized
Phipps Ocean Park Present Not Native, Naturalized
Pine Island Ridge Natural Area Present Not Native, Naturalized
Red Reef Park, including Gumbo Limbo Nature Center Present Not Native, Naturalized
Rookery Bay National Estuarine Research Reserve Present Not Native, Naturalized
Savannas Preserve State Park Present Not Native, Naturalized
Spanish River Park Present Not Native, Naturalized
Ten Thousand Islands National Wildlife Refuge Present Not Native, Naturalized
Tree Island Park Present Not Native, Naturalized
Virginia Key Beach Park and Marine Stadium Present Not Native, Naturalized
Warbler Wetland Natural Area Present Not Native, Naturalized
Wild Turkey Strand Preserve Present Not Native, Naturalized
Windley Key Fossil Reef Geological State Park Assumed to be Present Not Native, Naturalized
Yellow Fever Creek Preserve Present Not Native, Naturalized

Cyperus rotundus has been found in the following 7 counties :
Occurrence Native Status
Broward County Not Native, Naturalized
Collier County Not Native, Naturalized
Lee County Not Native, Naturalized
Martin County Not Native, Naturalized
Miami-Dade County Not Native, Naturalized
Monroe County (Keys) Not Native, Naturalized
Palm Beach County Not Native, Naturalized

Cyperus rotundus has been found in the following 2 habitats :
Disturbed Upland
Shell Mound

All Images:

Cyperus rotundus
Cyperus rotundus
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