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 97 - 108 of 140 results

Parkinsonia

(Parkinsonia aculeata)
Report if seen
PerennialTree

Parrot feather

(Myriophyllum aquaticum)
Report if seen
Perennial

Parthenium weed

(Parthenium hysterophorus)
Report if seen
AnnualHerb

Perennial ragweed

(Ambrosia spp.)
PerennialHerb

Perennial thistle

(Cirsium arvense)
PerennialHerb

Plumerillo

(Jarava plumosa)
Report if seen
PerennialGrass

Poison buttercup

(Ranunculus sceleratus)
AnnualHerb

Poison ivy

(Toxicodendron radicans)
PerennialClimber

Polygala

(Polygala myrtifolia)
PerennialShrub

Pond apple

(Annona glabra)
PerennialTree

Prickly acacia

(Vachellia nilotica subsp. indica)
Report if seen
PerennialTree

Primrose willow

(Ludwigia peruviana)
Report if seen
PerennialShrub