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Floristic Inventory of the Florida Keys Database Online

Toxicodendron radicans (L.) Kuntze
Eastern poison-ivy

Toxicodendron radicans
Copyright by: Keith A. Bradley

Family: Anacardiaceae

Group: Dicot

Substrate: Terrestrial

Habit: Vine

Perennation: Perennial

Native Range: Eastern and central North America, the West Indies (Bahamas) and Mexico.

IRC SOUTH FLORIDA Status: Secure

Map of select IRC data for peninsular Florida

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Native

IRC FLORIDA KEYS Status: Imperiled

Map of select IRC data for the Florida Keys

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for hammocks in the lower Keys.  Apparently introduced accidentally and spreading as a weed in the middle and upper Keys.

Other data on Toxicodendron radicans available from :


Toxicodendron radicans has been reported from the following 10 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Bahia Honda State Park Present Native
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
Crocodile Lake National Wildlife Refuge Present Doubtfully Native
Dagny Johnson Key Largo Hammocks Botanical State Park Present Doubtfully Native
Indian Key Historic State Park Reported
John Pennekamp Coral Reef State Park Reported
Lignumvitae Key Botanical State Park Present Doubtfully Native
Little Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Native
National Key Deer Refuge Present Native
Ramrod Hammocks, Florida Keys Wildlife and Environmental Area Present Native, Cultivated Only




Toxicodendron radicans has been reported for the following 5 habitats in THE FLORIDA KEYS :
Coastal Berm
Disturbed Upland
Freshwater Tidal Swamp
Pine Rockland
Rockland Hammock


All Images:

Toxicodendron radicans
Copyright by: Keith A. Bradley

Toxicodendron radicans
Copyright by: George D. Gann
In habitat, Everglades National Park, Florida, 2012

Toxicodendron radicans
Copyright by: George D. Gann
in habitat, Palm Beach County, Florida, 2012

Toxicodendron radicans
Copyright by: George D. Gann
in habitat, Palm Beach County, Florida, 2012