| Weed |
Classification |
| African boxthorn - Lycium ferocissimum |
4 |
| African feathergrass - Pennisetum macrourum |
5 |
| African lovegrass - Eragrostis curvula |
4 |
| African turnipweed - Sisymbrium runcinatum |
5 |
| African turnipweed - Sisymbrium thellungii |
5 |
| Alligator weed - Alternanthera philoxeroides |
2 |
| Anchored water hyacinth - Eichhornia azurea |
1 |
| Annual ragweed - Ambrosia artemisiifolia |
5 |
| Arrowhead - Sagittaria montevidensis |
5 |
| Artichoke thistle - Cynara cardunculus |
5 |
| Athel tree - Tamarix aphylla |
5 |
| Bear-skin fescue - Festuca gautieri |
5 |
| Bitou bush - Chrysanthemoides monilifera subspecies rotunda |
4 |
| Black knapweed - Centaurea nigra |
1 |
Blackberry - Rubus fruticosus aggregate species
except cultivars Black satin, Chehalem, Chester Thornless, Dirksen Thornless, Loch Ness, Murrindindi, Silvan, Smoothstem, Thornfree |
4*
|
| Boneseed - Chrysanthemoides monilifera subspecies monilifera |
4 |
| Bridal creeper - Asparagus asparagoides |
5 |
Broomrapes - Orobanche species
Includes all Orobanche species except the native O. cernua variety australiana and O. minor |
1
|
| Burr ragweed - Ambrosia confertiflora |
5 |
| Cabomba - Cabomba caroliniana |
5 |
| Cayenne snakeweed - Stachytarpheta cayennensis |
5 |
| Chilean needle grass - Nassella neesiana |
4* |
| Chinese violet - Asystasia gangetica subspecies micrantha |
1 |
| Clockweed - Gaura lindheimeri |
5 |
| Clockweed - Gaura parviflora |
5 |
| Corn sowthistle - Sonchus arvensis |
5 |
Dodder - Cuscuta species
Includes All Cuscuta species except the native species C. australis, C. tasmanica and C. victoriana |
5 |
| East Indian hygrophila - Hygrophila polysperma |
1 |
| Espartillo - Achnatherum brachychaetum |
5 |
| Eurasian water milfoil - Myriophyllum spicatum |
1 |
| Fine-bristled burr grass - Cenchrus brownii |
5 |
| Fountain grass - Pennisetum setaceum |
5 |
| Gallon's curse - Cenchrus biflorus |
5 |
| Giant Parramatta grass - Sporobolus fertilis |
3 |
| Glaucous starthistle - Carthamus glaucus |
5 |
| Golden dodder - Cuscuta campestris |
4 |
| Golden thistle - Scolymus hispanicus |
5 |
| Gorse - Ulex europaeus |
3 |
| Groundsel bush - Baccharis halimifolia |
3 |
| Harrisia cactus - Harrisia species |
4* |
| Hawkweed - Hieracium species |
1 |
| Horsetail - Equisetum species |
1 |
| Hymenachne - Hymenachne amplexicaulis |
1 |
| Karoo thorn - Acacia karroo |
1 |
Kochia - Bassia scoparia
except Bassia scoparia subspecies trichophylla |
1 |
| Lagarosiphon - Lagarosiphon major |
1 |
| Lantana - Lantana species |
4 |
|
Lantana - Lantana species |
5 |
| Long-leaf willow primrose - Ludwigia longifolia |
5 |
| Mexican feather grass - Nassella tenuissima |
1 |
| Mexican poppy - Argemone mexicana |
5 |
| Miconia - Miconia species |
1 |
| Mimosa - Mimosa pigra |
1 |
| Mossman River grass - Cenchrus echinatus |
5 |
| Mysore thorn - Caesalpinia decapetala |
3 |
Onion grass - Romulea species
Includes all Romulea species and varieties except R. rosea var. australis |
5 |
Oxalis - Oxalis species and varieties
Includes all Oxalis species and varieties except the native species O. chnoodes, O. exilis, O. perennans, O. radicosa, O. rubens, and O. thompsoniae |
5 |
| Pampas grass - Cortaderia species |
4 |
| Parthenium weed - Parthenium hysterophorus |
1 |
| Pond apple - Annona glabra |
1 |
| Prickly acacia - Acacia nilotica |
1 |
| Prickly pear - Cylindropuntia species |
4* |
| Prickly pear - Opuntia species except O. ficus-indica |
4* |
| Red rice - Oryza rufipogon |
5 |
| Rhus tree - Toxicodendron succedaneum |
4 |
| Rubbervine - Cryptostegia grandiflora |
1 |
| Sagittaria - Sagittaria platyphylla |
5 |
| Salvinia - Salvinia molesta |
2 |
| Sand oat - Avena strigosa |
5 |
| Scotch/English broom - Cytisus scoparius |
4 |
| Senegal tea plant - Gymnocoronis spilanthoides |
1 |
| Serrated tussock - Nassella trichotoma |
4* |
| Siam weed - Chromolaena odorata |
1 |
| Smooth-stemmed turnip - Brassica barrelieri subspecies oxyrrhina |
5 |
| Soldier thistle - Picnomon acarna |
5 |
| Spotted knapweed - Centaurea maculosa |
1 |
| St. John's wort - Hypericum perforatum |
3 |
| Texas blueweed - Helianthus ciliaris |
5 |
| Water caltrop - Trapa species |
1 |
| Water hyacinth - Eichhornia crassipes |
3 |
| Water lettuce - Pistia stratiotes |
1 |
| Water soldier - Stratiotes aloides |
1 |
Willows - Salix species
Includes all Salix species except S. babylonica, S. x reichardtii, S. x calodendron |
5 |
Witchweed - Striga species
Includes all Striga species except native species and Striga parviflora |
1 |
| Yellow burrhead - Limnocharis flava |
1 |
| Yellow nutgrass - Cyperus esculentus |
5 |
