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If you see this priority pest fill out the online report form, go to a walk-in reporting location, or call in your sighting.
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Australian tree fern
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Leaf detail
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Mature leaves form tight rosette at top of trunk
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Identification:
Australian tree fern is widespread on Maui, but is currently only known to grow in a few locations on Molokai (see map.) This tree fern grows up to 12 m (40 ft) tall or more. Stem is covered by a cleancut OVAL SCAR PATTERN. Long WHITE and short RED-BROWN SCALES found at the base of the fronds. Leaves of mature plants grouped in a TIGHT ROSETTE at top of stem, rather than spread out along the stem. Sori (clusters of spores) on middle of the pinnae, or fern leaflet divisions. Found in residential areas escaping into wild areas.
Characteristics:
More information about this pest 
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Australian tree fern look-alikes:
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Hapuu (Cibotium species)
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Hapuu (Cibotium chamissoi):
The native Hawaiian tree fern, Hapuu, has BLOND to RED COLORED HAIRS along the base of the trunk and POWDERY WHITE SORI (clusters of spores) on the EDGE of the pinnae.
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Detail of hairs at base of Hapuu fronds
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Download this Australian Tree Fern priority pest identification flyer  and share with your neighbors, friends, and family. Help keep Maui County free from new pests!
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