Family: Haloragaceae Scientific name: Myriophyllum aquaticum Description: Plant Form Freshwater aquatic herb. Size Up to 2 m long. Stem Spreading, creeping or upright. Cluster together to form mats or masses. Leaves Feather-like appearance in rings around stems, larger underwater, up to 4 cm long, bluish green. Flowers Inconspicuous, tiny, white, with no petals, only 4 sepals (petal-like leaves). Fruit and Seeds Not known to occur in Australia, reproduce vegetatively. Habitat Slow moving streams and ponds, lakes, dams, wetlands. Distinguishing Features Large bluish-green feather-like leaves are distinctive from native Myriophyllum species. Impacts Blocks irrigation or hydroelectric water flow, displace and exclude native species, reduce biodiversity.
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