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Floristic Inventory of the Florida Keys Database Online

Casuarina equisetifolia L.
Australian-pine, Horsetail casuarina

Casuarina equisetifolia
Copyright by: Shirley Denton

Family: Casuarinaceae

Group: Dicot

Substrate: Terrestrial

Habit: Tree

Perennation: Perennial

Native Range: Southeast Asia, Pacific Islands and Australia; cultivated and naturalized elsewhere.

Map of South Florida Locations

SOUTH FLORIDA Occurrence: Present

SOUTH FLORIDA Native Status: Not Native, Naturalized

SOUTH FLORIDA Cultivated Status: Cultivated

Comments: Differs from C. cunninghamiana and C. glauca in lacking a brown transverse band near the base of the scalelike leaves. For more information and images, visit Florida Invasive Plant Species Mobile Field Guide (FLIP) or click on the Atlas of Florida Vascular Plants link below.

FLORIDA KEYS Occurrence: Present

FLORIDA KEYS Native Status: Not Native, Naturalized

Map of Florida Keys Locations

Florida Keys History and Distribution: Reported in 1913 by John Kunkel Small for disturbed areas from the upper Keys to the lower Keys.  Heavily naturalized and highly invasive throughout the Florida Keys.

Other data on Casuarina equisetifolia available from :


Casuarina equisetifolia has been reported from the following 24 conservation areas in the FLORIDA KEYS :
Occurrence Native Status
Attwood Addition, Indian Key Historic State Park Present Not Native, Naturalized
Bahia Honda State Park Present Not Native, Naturalized
Big Torch Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Biscayne National Park, Florida Keys Section Present Not Native, Naturalized
Blue Heron Hammock, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Crocodile Lake National Wildlife Refuge Present Not Native, Naturalized
Curry Hammock State Park Present Not Native, Naturalized
Dagny Johnson Key Largo Hammocks Botanical State Park Present Not Native, Naturalized
Dove Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Dry Tortugas National Park Present Not Native, Naturalized
Great White Heron National Wildlife Refuge Present Not Native, Naturalized
John Pennekamp Coral Reef State Park Present Not Native, Naturalized
Key West National Wildlife Refuge Present Not Native, Naturalized
Lake San Pedro Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Lignumvitae Key Botanical State Park Possibly Extirpated Not Native, Naturalized
Lignumvitae Key Botanical State Park, Klopp Tract Present Not Native, Naturalized
Little Hamaca Park Present Not Native, Naturalized
Long Key State Park Present Not Native, Naturalized
National Key Deer Refuge Present Not Native, Naturalized
Snake Creek Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Spoonbill Sound Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Sugarloaf Hammocks, Florida Keys Wildlife and Environmental Area Present Not Native, Naturalized
Torchwood Hammock Preserve Present Not Native, Naturalized
Windley Key Fossil Reef Geological State Park Present Not Native, Naturalized




Casuarina equisetifolia has been reported for the following 7 habitats in THE FLORIDA KEYS :
Beach Dune
Coastal Berm
Coastal Rock Barren
Disturbed Upland
Rockland Hammock
Tidal Marsh
Tidal Swamp


All Images:

Casuarina equisetifolia
Copyright by: Shirley Denton

Casuarina equisetifolia
Copyright by: Keith A. Bradley

Casuarina equisetifolia
Copyright by: Keith A. Bradley

Casuarina equisetifolia
Copyright by: Keith A. Bradley

Casuarina equisetifolia
Copyright by: Keith A. Bradley