Help us maintain this website and keep it free and open for our community of scientists, students, and conservation managers, who depend on it to obtain the most up to date information. Help us save species and restore native ecosystems!

Close

Please scroll to the bottom for more images.
Cyperus flavescens L.
Yellow flatsedge

Family: Cyperaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Annual

Native Range: Eastern and central North America, the West Indies, Mexico, Central America, South America and the Old Wolrd.

Map of select IRC data for peninsular Florida

IRC SOUTH FLORIDA Status: Rare

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

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

Other data on Cyperus flavescens available from :

Atlas of Florida Vascular Plants
Cyperus flavescens 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 Sadowski Park Present Native
Caloosahatchee Creeks Preserve Present Native
Corkscrew Regional Ecosystem Watershed (CREW) Present Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Doubtfully Native
Dupuis Reserve Present Native
Everglades National Park Present Native
Florida City Pineland Possibly Extirpated Possibly Extirpated
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
Hillsboro Pineland Natural Area Possibly Extirpated Possibly Extirpated
J.W. Corbett Wildlife Management Area Present Native
Jonathan Dickinson State Park Present Native
Lake Okeechobee Marshes Present Native
Loggerhead Park Present Native
Lucille Hammock Present Native
Matheson Hammock Park Present Native
Navy Wells Pineland Preserve Present Native
Nicodemus Slough 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
Pal-Mar Present Native
Prairie Pines Preserve Present Native
Rookery Bay National Estuarine Research Reserve Present Native
Savannas Preserve State Park Present Native
Seabranch Preserve State Park Present Native
Tree Island Park Present Native
Wild Turkey Strand Preserve Present Native

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

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