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 133 - 140 of 140 results

Water dropwort

(Oenanthe pimpinelloides)
PerennialHerb

Water hyacinth

(Eichhornia crassipes)
Report if seen
Perennial

Water soldier

(Stratiotes aloides)
Report if seen
Perennial

White weeping brooms

(Retama monosperma and Retama raetam)
PerennialShrub

Wild artichoke

(Cynara cardunculus)
PerennialHerb

Willows

(Salix spp.)
PerennialTree

Witchweeds

(Striga spp.)
AnnualHerb

Yellow burrweed

(Amsinckia spp.)
AnnualHerb