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•    Free-floating perennial aquatic resembling an open head of lettuce or cabbage
•    Leaves ribbed, spongy and velvet to the touch
•    Flowers are very small and hidden in the leaf bases
•    Roots unbranched and feathery up to 80cm long

Flowering Times

•    Throughout the year

Control Measure

•    Prevention is the best method
•    Mechanical or hand removal of small areas
•    Herbicides


•    Encourages mosquito breeding
•    Interferes with irrigation and recreational activities
•    Spreads rapidly by daughter plants growing at the end of stolons and by seed

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