Weeds cause serious economic loss for agriculture and may reduce biodiversity of bushland.
Use the map to retrieve a listing of weed species for each bioregion. See our primer on WA’s IBRA regions for further information.
The Australian Weeds Strategy takes a national approach to weed management problems of national significance, addressing environmental and agricultural weeds equally. A wide range of conservation practitioners in government and the community are working to tackle this problem and they require authoritative information on the identification, propagation and control of invasive species. The AWS lists three goals which are to be addressed by government at all levels in tackling this form of land degradation. They are:
FloraBase information systems currently record 1306 vascular alien taxa within the state. The Western Australian Herbarium is currently determining which of these are naturalised.
Get a complete listing of Western Australia’s naturalised weeds, or use the initial letters below for a listing within each category.
List of Western Australian weeds (alphabetic by family):
List of Western Australian weeds (alphabetic by genus):
Compiled by Alex Chapman; last updated on 24 July 2009.