Common Watermilfoil, Milfoil, Water-milfoil, Robust Milfoil, Robust Water-milfoil.
Up to 0.2m.
Presence in Australia
This specie has been identified in the following Australian states: Qld, NSW, ACT, Vic, SA.
Still or slow-moving fresh water to 1m deep, with stems extending into deeper water, or on mud. Also in damp areas around lakes and swamps.
Aquatic or fully emergent perennial herb rooting at nodes, with trailing stems to about 2m long, erect stems to about 20cm high.
Early Dec to mid Mar.
By cuttings, from seed or division of layered stems.
Useful for dams.
Attractive ornamental for garden ponds.