Declared plants

To protect Western Australian agriculture the Department of Primary Industries and Regional Development regulates harmful plants under the Biosecurity and Agriculture Management Act 2007.

Plants that are prevented entry into the State or have control or keeping requirements within the State are known as declared pests.

The Western Australian Organism List (WAOL) contains information on the area(s) in which a plant is declared and the control and keeping categories to which it has been assigned in WA.

If you need advice on declared plants please search for articles below in our website or:

Articles

  • Leafy elodea (Egeria densa) is a declared pest in Western Australia (WA).

  • Control methods for leafy elodea (Egeria dansa) a declared pest in Western Australia.

  • Miconia (Miconia spp.) is a declared pest in Western Australia (WA).

  • Mesquite (all Prosopis species and hybrids) are declared pests in Western Australia (WA).

  • Control method for mesquite (Prosopis species) declared pests in Western Australia. Report the presence of this organism before undertaking a control measure.

  • Control methods for cabomba (Cabomba caroliniana) a declared pest in Western Australia.

  • Neem tree (Azadirachta indica A.Juss) is a declared plant in Western Australia (WA).

  • Grader grass, oatgrass, habana grass, kangaroo grass (Themeda quadrivalvis) is a declared plant in Western Australia (WA). 

  • Boneseed (Chrysanthemoides monilifera subsp. monilifera) is a declared pest in Western Australia (WA).

  • Cabomba (Cabomba caroliniana) is a declared pest in Western Australia (WA).