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Weeds of National Significance

Weeds are one of the major natural resource management problems in Australia and are considered by farmers to be one of the highest priority land degradation issues. 

The cost of weeds to Australian agriculture has been estimated at over $3.3 billion per year. 

Twenty Weeds of National Significance have been identified due to their: 

  • invasiveness
  • impacts to primary production
  • the environment, and
  • potential for spread and socioeconomic impacts.

Through consultation with weed management practitioners, State agencies and Weeds of National Significance (WONS) coordinators, the Bureau of Rural Sciences (BRS) developed and field tested a manual to guide collection and reporting of WONS infestations to be compiled and reported nationally.

At the 15th Australian Weeds conference in 2006, BRS presented a session and conference paper on the processes used to develop this manual.

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Last reviewed: 17 Jul 2008
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