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Cyperus compressus L.
Poorland flatsedge

Cyperus compressus
Copyright by: Keith A. Bradley

Family: Cyperaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: Eastern and central United States, the West Indies, Mexico, Central America, South America and the Old World.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Apparently Secure

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

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

Other data on Cyperus compressus available from :

Cyperus compressus has been found in the following 31 conservation areas :
Occurrence Native Status
Arthur R. Marshall Loxahatchee National Wildlife Refuge Present Native
Big Cypress National Preserve Present Native
Bill Baggs Cape Florida State Park Present Native
Biscayne National Park Present Native
Cayo Costa State Park Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Native
Deering Estate at Cutler Present Native
Dr. Von D. Mizell-Eula Johnson State Park Possibly Extirpated Possibly Extirpated
Dupuis Reserve Present Native
Everglades and Francis S. Taylor Wildlife Management Area Present Native
Everglades National Park Present Native
Fakahatchee Strand Preserve State Park Present Native
Florida Atlantic University Ecological Site Present Native
Florida City Pineland 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
Hattie Bauer Hammock Present Native
Hugh Taylor Birch State Park Present Native
J.N. Ding Darling National Wildlife Refuge Present Native
Jonathan Dickinson State Park Present Native
Juno Dunes Natural Area Present Native
Larry and Penny Thompson Park Present Native
Matheson Hammock Park Present Native
National Key Deer Refuge Possibly Extirpated Possibly Extirpated
Nicodemus Slough Present Native
Palm Drive Pineland Present Native
Peck Lake Park Present Native
Pond Apple Slough Natural Area Present Native
Riverbend Park Present Native
Seabranch Preserve State Park Present Native

Cyperus compressus has been found in the following 9 counties :
Occurrence Native Status
Broward County Native
Charlotte County Native
Collier County Native
Glades County Native
Hendry County Native
Lee County Native
Miami-Dade County Native
Monroe County (Keys) Native
Palm Beach County Native

Cyperus compressus has been found in the following 2 habitats :
Disturbed Upland
Disturbed Wetland

All Images:

Cyperus compressus
Copyright by: Keith A. Bradley
Cyperus compressus
Copyright by: Shirley Denton