Identify weeds that pose a serious risk to South Australia's environment and primary industries. Find out about:

  • recommended manual and chemical control options
  • legal obligations for landholders
  • restrictions on weed movement and sale
  • reporting requirements
  • links to state policies.

Reporting alert weeds

Alert weeds should be reported immediately to the Exotic Plant Pest Hotline on 1800 084 881.

To give an accurate report:

  1. Record the location where you saw the weed so it can be found again.
  2. Make detailed notes of the plant's features so it can be identified.
  3. Take a photograph or a sample of the plant, including the leaves, flowers, and fruit.
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Showing results 85 - 96 of 140 results

Miconia

(Miconia spp.)
PerennialTree

Mimosa

(Mimosa pigra)
PerennialTree

Mirror bush

(Coprosma repens)
PerennialShrub

Muskweed

(Myagrum perfoliatum)
AnnualHerb

Nightstock

(Matthiola longipetala)
AnnualHerb

Noogoora burrs

(Xanthium strumarium)
AnnualHerb

Nutgrass

(Cyperus rotundus)
PerennialGrass

Olive (wilding)

(Olea europaea)
PerennialTree

Opuntia cacti (prickly pear/wheel cactus)

(Opuntia spp. except O. ficus-indica)
PerennialCactus/succulent

Orange hawkweed

(Hieracium aurantiacum)
PerennialHerb

Ornamental asparagus

(Asparagus africanus)
PerennialClimber

Pampas grasses

(Cortaderia spp.)
PerennialGrass