Weeds in Australia

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Cabomba (Cabomba caroliniana) weed management guide

Weeds of National Significance
Department of the Environment and Heritage and the CRC for Australian Weed Management, 2003
ISBN 1 9209 3204 6

PDF file

About the guide

Cabomba is a Weed of National Significance. It is regarded as one of the worst weeds in Australia because of its invasiveness, potential for spread, and economic and environmental impacts. It is choking waterways along Australia's east coast.

Cabomba grows quickly and produces a large amount of plant material. It can significantly reduce water storage capacity and taint drinking water supplies. Water treatment costs can be increased by up to $50 a megalitre. Heavy infestations can also raise water levels to a point where overflows and heavy seepage losses occur.

It is extremely persistent and can take over a water body, excluding native plant species. It can also have an impact on native animals - in northern Queensland platypus and water rat numbers are lower in infested creeks.

Cabomba's dense mass of underwater stems and leaves provide a hazard for recreational water users. When this vegetation dies off, decomposition causes dramatic oxygen reductions and foulsmelling water.

This management guide was prepared in 2003. The state and territory contacts in this document may be out of date.

For advice on weed control in your state or territory see the primary contacts on the State and territory weed management arrangements page.

Contact details

Andrew Petroeschevsky
National Coordinator Aquatic Weeds
NSW Department of Primary Industries
Grafton Agricultural Research & Advisory Station
PMB 2, Grafton, NSW 2460
Phone: (02) 6640 1618 Mobile: 0429 455 282

Extent in Australia Potential distribution
NT, QLD, NSW, VIC Could further expand in current locations, plus WA, SA, TAS, ACT
Cover of Cabomba (Cabomba caroliniana) - Weeds of National Significance - Weed Management Guide

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