Cabomba (Cabomba spp.), or fanwort, is a fully submerged aquatic plant, originally introduced into Australia as an aquarium plant. Five species are recognised but only one of these, Cabomba caroliniana, is known to be naturalised in Australia
Impacts:
Dominates native vegetation, obstructs creeks, lakes and dams, chokes out native plants, birds, fish and reptiles, impedes aquatic recreational activities, endangers swimmers who can become entangled, affects water quality, increases siltation in lakes
Description:
Perennial, aquatic herbs growing below the surface, stems up to 10 m long, submerged leaves and stems have a thin gelatinous coating, leaves opposite and repeatedly divided to form feathery, fan-shaped structures, flowers produced above the surface in various colours
Control:
Mechanical removal of small infestations, herbicides effective
Source http://www.dpi.qld.gov.au