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 109 - 120 of 140 results

Ragwort

(Senecio jacobaea)
AnnualHerb

Rhus tree

(Toxicodendron succedaneum)
PerennialShrub

Rubber vine

(Cryptostegia grandiflora)
PerennialClimber

Sagittaria

(Sagittaria graminea)
Perennial

Salvation Jane

(Echium plantagineum)
AnnualHerb

Salvinia

(Salvinia spp.)
Report if seen
Perennial

Senegal tea plant

(Gymnocoronis spilanthoides)
Report if seen
PerennialHerb

Serrated tussock

(Nassella trichotoma)
Report if seen
PerennialGrass

Silverleaf nightshade

(Solanum elaeagnifolium)
PerennialHerb

Skeleton weed

(Chondrilla juncea)
PerennialHerb

Spiny rush

(Juncus acutus)
PerennialGrass

Swamp oak

(Casuarina glauca and Casuarina obesa)
PerennialTree