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Alternanthera philoxeroides (Mart.) Griseb.
Alligatorweed

Family: Amaranthaceae

Group: Dicot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: South America.

FLEPPC Status: Category II Invasive

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Not Cultivated

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

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Alternanthera philoxeroides
Copyright by: Shirley Denton

Other data on Alternanthera philoxeroides available from :
Atlas of Florida Vascular Plants
Alternanthera philoxeroides has been found in the following 24 conservation areas :
Occurrence Native Status
Allapattah Flats Wildlife Management Area Present Not Native, Naturalized
Arthur R. Marshall Loxahatchee National Wildlife Refuge Present Not Native, Naturalized
Big Cypress National Preserve Present Not Native, Naturalized
Caloosahatchee Creeks Preserve Present Not Native, Naturalized
Caloosahatchee Regional Park Present Not Native, Naturalized
Cayo Costa State Park Present Not Native, Naturalized
Dry Tortugas National Park Doubtfully Present
Dupuis Reserve Present Not Native, Naturalized
Estero Bay Preserve State Park Present Not Native, Naturalized
Everglades and Francis S. Taylor Wildlife Management Area Present Not Native, Naturalized
Everglades National Park Present Not Native, Naturalized
Fern Forest Nature Center Present Not Native, Naturalized
Fisheating Creek Wildlife Management Area Present Not Native, Naturalized
Frog Pond/L-31 N Transition Lands Present Not Native, Naturalized
Great White Heron National Wildlife Refuge Doubtfully Present
Holey Land Wildlife Management Area Present Not Native, Naturalized
Nicodemus Slough Present Not Native, Naturalized
Pine Island Ridge Natural Area Present Not Native, Naturalized
Pond Apple Slough Present Not Native, Naturalized
Prairie Pines Preserve Present Not Native, Naturalized
Seabranch Preserve State Park Present Not Native, Naturalized
Six Mile Cypress Slough Preserve Present Not Native, Naturalized
Tree Tops Park Present Not Native, Naturalized
Yamato Scrub Natural Area Present Not Native, Naturalized


Alternanthera philoxeroides has been found in the following 6 counties :
Occurrence Native Status
Broward County Not Native, Naturalized
Charlotte County Not Native, Naturalized
Glades County Not Native, Naturalized
Lee County Not Native, Naturalized
Miami-Dade County Not Native, Naturalized
Palm Beach County Not Native, Naturalized


Alternanthera philoxeroides has been found in the following 7 habitats :
Blackwater Stream
Disturbed Wetland
Floodplain Marsh
Freshwater Tidal Swamp
Slough
Strand Swamp
Swale


All Images:

Alternanthera philoxeroides
Copyright by: Shirley Denton