High risk weeds index

On 1 July 2017, the Noxious Weeds Act 1993 was replaced by the Biosecurity Act 2015. The Weed biosecurity section of this website is being reviewed, and information currently on this page may not reflect the new legislation.


Chinese violet
(Asystasia gangetica 
subspecies micrantha)

(Equisetum spp.)

Kosters curse
(Clidemia hirta)

(Mikania micrantha)

Parthenium weed
(Parthenium hysterophorus)

Pond apple
(Annona glabra)

Siam weed
(Chromolaena odorata)

(Striga species)