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16-001014-02A (Ultimate SCMMP)
Attached to the e-mail Operational Works Application OPW16/0203 - 4 of 4.
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Parrot’s feather (Myriophyllum aquaticum)
Submerged and emergent perennial plant
with spreading stems to 5 m with feathery
leaves.
Plants distinguished by blue-green coloured
emergent leaves that form distinctive groups
Photo: Jason Sonneman, DesignFlow
of 4–6 leaves. The emergent leaves have a
feathery appearance and are divided into
10–14 linear segments.
Flowering: September–December, but will
vary with location
Reproduction: Unknown to produce seed.
Reproduces vegetatively via stem
fragmentation due to wave action or physical
damage.
Control: Physical removal, water level
management, chemical control
Physical removal by hand-pulling and
subsurface cutting can be used to provide
temporary control of small infestations.
Integrated strategies, including water level
management and chemical control, can be
effective in treating large infestations.
Maintaining Vegetated Stormwater Assets Version 1 69
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