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A weed is any plant growing where it is not wanted. Weeds generally spread quickly and easily and therefore out compete native vegetation.
  • Are a significant cause of loss of biodiversity
  • Smother and out-compete native plants
  • Destroy the habitat of native animals
  • Reduce water quality
  • Choke waterways.
Weeds are often classed in broad groups depending on their characteristics and impacts, the main weed groups of concern to urban areas are:
  • Environmental Weeds
  • Noxious Weeds
  • Weeds of National Significance (WONS)and
  • National Environment Alert List Weeds

Many weeds can be placed into more than one of these groups.

The Noxious Weed Act 1993 is the law that must be adhered to by landholders to control serious weeds in an area. Declared weeds must be controlled according to instructions that are based on their class. The Act is implemented and enforced by the Local Control Authority; in Auburn LGA Auburn City Council fulfils this role.
Additional useful information can be found at: