Identification Guide For Invasive Exotic Plants of the Florida Keys

Scientific Name:
Common Name(s):
Casuarina equisetifolia, Causaurina cunninghamiana,
Causaurina glauca
Australian pine, ironwood, beefwood, she-oak, horsetail tree
Height:
Leaves:
Flowers:
Bark:
Fruit:
Other:
Treatment:
Up to 150 feet
Gray-green, needlelike, jointed branches that resemble leaves.
Inconspicuous, in small axillary clusters
Reddish brown to gray, rough, brittle, peeling
Tiny, single seeded winged nutlet formed in woody cone-like clusters
Occurs throughout south Florida on sandy shores, in pinelands and disturbed
sites such as filled wetlands, road shoulders, cleared land and empty lots.
Once established, Australian pines dominate areas almost to the total
exclusion of native vegetation by chemically suppressing seed germination
and smothering seedlings and other plants with thick, dense litter.
Basal or stump with 10%-30% Garlon 4
APIRS- http://aquat1.ifas.edu
www.co.miami-dade.fl.us/derm/badplants.htm
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