Priority level - Prevention

The following weeds are currently not found in the region or state, pose significant biosecurity risk, and prevention of the bisecurity risk posed by these weeds is a reasonably practical objective.

  American rats tail grass
(Sporobolus jacquemontii)
 

Mikania vine
(Mikania micrantha)
Anchored water hyacinth Anchored water hyacinth
(Eichhornia azurea)
  Mimosa Mimosa
(Mimosa pigra)
Black knapweed Black knapweed
(Centaurea xmoncktonii
 

Parthenium weed
(Parthenium hysterophorus)

  Fact sheet

Bridal veil creeper Bridal veil creeper
(Asparagus declinatus)
  Pink pampas grass

Pink pampas grass
(Cortaderia jubata)

Broomrapes Broomrapes
(Orobanche spp. all species except
the native o. cernua var. australiana and O. minor)
 

Pond apple
(Annona glabra)

Chinese knotweed Chinese knotweed
(Persicaria chinensis)
  Prickly acacia

Prickly acacia
(Vachellia nilotica syn. Acacia nilotica)

  Fact sheet

Frogbit Frogbit
(Limnobium spp. all species)
  Rubber vine

Rubber vine
(Cryptostegia grandiflora)

Gamba grass Gamba grass
(Andropogon gayanus)
  Sea spurge

Sea spurge
(Euphorbia paralias)

Hawkweed Hawkweed
(Hieracium ssp. all species)
 

Siam weed
(Chromolaena odorata)

Hydrocotyl Hydrocotyl
(Hydrocotyle ranunculoides)
  Skunk vine

Skunk vine
(Paederia foetida)

Karroo acacia Karoo acacia
(Vachellia karroo syn. Acacia karroo)
  Spotted knapweed

Spotted knapweed
(Centaurea stoebe
subsp. micranthos)

Kei apple Kei apple
(Dovyalis kaffra)
  Water caltrop

Water caltrop
(trapa.spp. all species)

Kochia Kochia
(Bassia scoparia
excluding subsp. trichophylla)
  Water milfoil

Water milfoil
(Myriophyllum spicatum)

Koster's curse
(Clidemia hirta)

  Fact sheet

  Water mimosa

Water mimosa
(Neptunia oleracea and N. plena)

Lagarosiphon Lagarosiphon
(Lagarosiphon major)
  Water soldier

Water soldier
(Stratiotes aloides)

Ludwigia Ludwigia
(Ludwigia peruviana)
  White trumpet vine

White trumpet vine
(Pithecoctenium crucigerum)

Mexican feather grass Mexican feather grass
(Nassella tenuissima syn. Stipa tenuissima)
  Witchweed

Witchweed
Striga spp. except the
native S. parviflora)

Miconia

Miconia
(Miconia spp. all species)

  Fact sheet

  Yellow burrhead

Yellow burrhead
(Limnocharis flava)