Priority weeds for the Western

Note: this region includes the local council areas of Balranald, Bogan (upper), Bourke, Brewarrina, Broken Hill, Carrathool (upper), Central Darling, Cobar, Hay (upper), Unincorporated and Wentworth.

Weed Duty
All plants General Biosecurity Duty
All plants are regulated with a general biosecurity duty to prevent, eliminate or minimise any biosecurity risk they may pose. Any person who deals with any plant, who knows (or ought to know) of any biosecurity risk, has a duty to ensure the risk is prevented, eliminated or minimised, so far as is reasonably practicable.
African boxthorn
Lycium ferocissimum
Prohibition on dealings
Must not be imported into the State or sold
African boxthorn
Lycium ferocissimum
Regional Recommended Measure
Land managers should mitigate spread from their land.
Alligator weed
Alternanthera philoxeroides
Prohibition on dealings
Must not be imported into the State or sold
Alligator weed
Alternanthera philoxeroides
Biosecurity Zone
The Alligator Weed Biosecurity Zone is established for all land within the state except land in the following regions: Greater Sydney; Hunter (but only in the local government areas of City of Lake Macquarie, City of Maitland, City of Newcastle or Port Stephens).
Within the Biosecurity Zone this weed must be eradicated where practicable, or as much of the weed destroyed as practicable, and any remaining weed suppressed. The local control authority must be notified of any new infestations of this weed within the Biosecurity Zone
Anchored water hyacinth
Eichhornia azurea
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Arrowhead
Sagittaria calycina var. calycina
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. Notify local control authority if found.
Athel pine
Tamarix aphylla
Prohibition on dealings
Must not be imported into the State or sold
Bellyache bush
Jatropha gossypiifolia
Prohibition on dealings
Must not be imported into the State or sold
Bitou bush
Chrysanthemoides monilifera subsp. rotundata
Prohibition on dealings
Must not be imported into the State or sold
Bitou bush
Chrysanthemoides monilifera subsp. rotundata
Biosecurity Zone
The Bitou Bush Biosecurity Zone is established for all land within the State except land within 10 kilometres of the mean high water mark of the Pacific Ocean between Cape Byron in the north and Point Perpendicular in the south.
Within the Biosecurity Zone this weed must be eradicated where practicable, or as much of the weed destroyed as practicable, and any remaining weed suppressed. The local control authority must be notified of any new infestations of this weed within the Biosecurity Zone
Black knapweed
Centaurea X moncktonii
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Black willow
Salix nigra
Prohibition on dealings
Must not be imported into the State or sold
Blackberry
Rubus fruticosus species aggregate
Prohibition on dealings
Must not be imported into the State or sold
All species in the Rubus fruiticosus species aggregate have this requirement, except for the varietals Black Satin, Chehalem, Chester Thornless, Dirksen Thornless, Loch Ness, Murrindindi, Silvan, Smooth Stem, and Thornfree
Boneseed
Chrysanthemoides monilifera subsp. monilifera
Prohibition on dealings
Must not be imported into the State or sold
Boneseed
Chrysanthemoides monilifera subsp. monilifera
Control Order
Bonseed Control Zone: Whole of NSW
Boneseed Control Zone (Whole of NSW): Owners and occupiers of land on which there is boneseed must notify the local control authority of new infestations; immediately destroy the plants; ensure subsequent generations are destroyed; and ensure the land is kept free of the plant. A person who deals with a carrier of boneseed must ensure the plant (and any seed and propagules) is not moved from the land; and immediately notify the local control authority of the presence of the plant.
Boxing glove cactus
Cylindropuntia fulgida var. mamillata
Prohibition on dealings
Must not be imported into the State or sold
Boxing glove cactus
Cylindropuntia fulgida var. mamillata
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. Notify local control authority if found.
Bridal creeper
Asparagus asparagoides
Prohibition on dealings
Must not be imported into the State or sold
*this requirement also applies to the Western Cape form of bridal creeper
Bridal creeper
Asparagus asparagoides
Regional Recommended Measure
Land managers should mitigate spread from their land.
Bridal veil creeper
Asparagus declinatus
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Broomrapes
Orobanche species
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species of Orobanche are Prohibited Matter in NSW, except the natives Orobanche cernua var. australiana and Orobanche minor
Burr ragweed
Ambrosia confertiflora
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. The plant should not be bought, sold, grown, carried or released into the environment. Notify local control authority if found.
Cabomba
Cabomba caroliniana
Prohibition on dealings
Must not be imported into the State or sold
Cane cactus
Austrocylindropuntia cylindrica
Prohibition on dealings
Must not be imported into the State or sold
All species in the Austrocylindropuntia genus have this requirement
Cape broom
Genista monspessulana
Prohibition on dealings
Must not be imported into the State or sold
Cat's claw creeper
Dolichandra unguis-cati
Prohibition on dealings
Must not be imported into the State or sold
Chilean needle grass
Nassella neesiana
Prohibition on dealings
Must not be imported into the State or sold
Climbing asparagus
Asparagus africanus
Prohibition on dealings
Must not be imported into the State or sold
Climbing asparagus fern
Asparagus plumosus
Prohibition on dealings
Must not be imported into the State or sold
Clockweed
Oenothera curtiflora
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. The plant should not be bought, sold, grown, carried or released into the environment. Notify local control authority if found.
Common pear
Opuntia stricta
Prohibition on dealings
Must not be imported into the State or sold
Common pear
Opuntia stricta
Regional Recommended Measure
Grazing, conservation and urban areas
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
*This Regional Recommended Measure applies to all species of Opuntia except for Opuntia ficus-indica (Indian fig)
Coolatai grass
Hyparrhenia hirta
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. The plant should not be bought, sold, grown, carried or released into the environment. Notify local control authority if found.
Eurasian water milfoil
Myriophyllum spicatum
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Fireweed
Senecio madagascariensis
Prohibition on dealings
Must not be imported into the State or sold
Flax-leaf broom
Genista linifolia
Prohibition on dealings
Must not be imported into the State or sold
Frogbit
Limnobium laevigatum
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species of Limnobium are Prohibited Matter
Gamba grass
Andropogon gayanus
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Giant reed
Arundo donax
Regional Recommended Measure
Exclusion zone: whole region except for the core infestation area of Wentworth Shire Council
Whole region: Land managers should mitigate the risk of the plant being introduced to their land. The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: The plant should be eradicated from the land and the land kept free of the plant. Core infestation area: Land managers should mitigate spread from their land.
Gorse
Ulex europaeus
Prohibition on dealings
Must not be imported into the State or sold
Grey sallow
Salix cinerea
Prohibition on dealings
Must not be imported into the State or sold
Ground asparagus
Asparagus aethiopicus
Prohibition on dealings
Must not be imported into the State or sold
Harrisia cactus
Harrisia species
Regional Recommended Measure
Land managers should mitigate spread from their land. The plant or parts of the plant should not be traded, carried, grown or released into the environment.
This Regional Recommended Measure applies to Harrisia martinii
Hawkweeds
Hieracium species
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species in the genus Hieracium are Prohibited Matter
Hudson pear
Cylindropuntia rosea
Prohibition on dealings
Must not be imported into the State or sold
Hudson pear
Cylindropuntia rosea
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. Notify local control authority if found.
Hydrocotyl
Hydrocotyle ranunculoides
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Hymenachne
Hymenachne amplexicaulis and hybrids
Prohibition on dealings
Must not be imported into the State or sold
Indian fig
Opuntia ficus-indica
Regional Recommended Measure
Grazing, conservation and urban areas
Land managers should mitigate spread from their land.
Karroo thorn
Vachellia karroo
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Kochia
Bassia scoparia
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Excluding the subspecies trichophylla
Koster's curse
Clidemia hirta
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Lagarosiphon
Lagarosiphon major
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Lantana
Lantana camara
Prohibition on dealings
Must not be imported into the State or sold
Madeira vine
Anredera cordifolia
Prohibition on dealings
Must not be imported into the State or sold
Mesquite
Prosopis species
Prohibition on dealings
Must not be imported into the State or sold
All species in the genus Prosopis have this requirement
Mesquite
Prosopis species
Regional Recommended Measure
Exclusion zone: whole region except for the core infestation area of Evelyn, Yantara, Mootwingee, Yancowinna, Menindee, Tandora, Livingstone and Windeyer counties
Whole region: Land managers should mitigate the risk of the plant being introduced to their land. Exclusion zone: The plant should be eradicated from the land and the land kept free of the plant. Core infestation area: Land managers should mitigate spread from their land.
Mexican feather grass
Nassella tenuissima
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Miconia
Miconia species
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species of Miconia are Prohibited Matter in NSW
Mikania vine
Mikania micrantha
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
*all species in the genus Mikania are Prohibited Matter in NSW
Mimosa
Mimosa pigra
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Mother-of-millions
Bryophyllum species
Regional Recommended Measure
Exclusion zone: whole region except core infestation area of maintained gardens
Whole region: Plant should not be bought, sold, grown, carried or released into the environment (except in maintained gardens). Exclusion Zone: The plant should be eradicated from the land and the land kept free of the plant. Land managers should mitigate the risk of the plant being introduced to their land. Core infestation: Land managers should mitigate spread from their land.
This Regional Recommended Measure also applies to Bryophyllum hybrids
Parkinsonia
Parkinsonia aculeata
Prohibition on dealings
Must not be imported into the State or sold
Parkinsonia
Parkinsonia aculeata
Control Order
Parkinsonia Control Zone: Whole of NSW
Parkinsonia Control Zone (Whole of NSW): Owners and occupiers of land on which there is parkinsonia must notify the local control authority of new infestations; immediately destroy the plants; ensure subsequent generations are destroyed; and ensure the land is kept free of the plant. A person who deals with a carrier of parkinsonia must ensure the plant (and any seed and propagules) is not moved from the land; and immediately notify the local control authority of the presence of the plant.
Parthenium weed
Parthenium hysterophorus
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Parthenium weed
Parthenium hysterophorus
Prohibition on dealings
The following equipment must not be imported into NSW from Queensland: grain harvesters (including the comb or front), comb trailers (including the comb or front), bins used for holding grain during harvest operations, augers or similar for moving grain, vehicles used to transport grain harvesters, support vehicles driven in paddocks during harvest operations, mineral exploration drilling rigs and vehicles used to transport those rigs, unless set out as an exception in Division 5, Part 2 of the Biosecurity Order (Permitted Activities) 2017
Pond apple
Annona glabra
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Prickly acacia
Vachellia nilotica
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Prickly pears - Austrocylindropuntias
Austrocylindropuntia species
Prohibition on dealings
Must not be imported into the State or sold
All species in the Austrocylindropuntia genus have this requirement
Prickly pears - Cylindropuntias
Cylindropuntia species
Prohibition on dealings
Must not be imported into the State or sold
All species in the Cylindropuntia genus have this requirement
Prickly pears - Opuntias
Opuntia species
Prohibition on dealings
Must not be imported into the State or sold
Except for Opuntia ficus-indica (Indian fig)
Prickly pears - Opuntias
Opuntia species
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
This Regional Recommended Measure applies to all species of Opuntia except for Opuntia ficus-indica (Indian fig)
Rope pear
Cylindropuntia imbricata
Prohibition on dealings
Must not be imported into the State or sold
All species in the Cylindropuntia genus have this requirement
Rope pear
Cylindropuntia imbricata
Regional Recommended Measure
Land managers should mitigate spread from their land.
Rubber vine
Cryptostegia grandiflora
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Sagittaria
Sagittaria platyphylla
Prohibition on dealings
Must not be imported into the State or sold
Sagittaria
Sagittaria platyphylla
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. Notify local control authority if found.
Salvinia
Salvinia molesta
Prohibition on dealings
Must not be imported into the State or sold
Scotch broom
Cytisus scoparius subsp. scoparius
Prohibition on dealings
Must not be imported into the State or sold
Serrated tussock
Nassella trichotoma
Prohibition on dealings
Must not be imported into the State or sold
Siam weed
Chromolaena odorata
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Silverleaf nightshade
Solanum elaeagnifolium
Prohibition on dealings
Must not be imported into the State or sold
Silverleaf nightshade
Solanum elaeagnifolium
Regional Recommended Measure
Land managers should mitigate spread from their land.
Smooth tree pear
Opuntia monacantha
Prohibition on dealings
Must not be imported into the State or sold
Smooth tree pear
Opuntia monacantha
Regional Recommended Measure
Grazing, conservation and urban areas
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
*This Regional Recommended Measure applies to all species of Opuntia except for Opuntia ficus-indica (Indian fig)
Snakefeather
Asparagus scandens
Prohibition on dealings
Must not be imported into the State or sold
Spiny burrgrass - longispinus
Cenchrus longispinus
Regional Recommended Measure
Land managers should mitigate spread from their land. Plant should not be bought, sold, grown, carried or released into the environment.
Spiny burrgrass - spinifex
Cenchrus spinifex
Regional Recommended Measure
Land managers should mitigate spread from their land. Plant should not be bought, sold, grown, carried or released into the environment.
Spongeplant
Limnobium spongia
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species of Limnobium are Prohibited Matter
Spotted knapweed
Centaurea stoebe subsp. micranthos
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Tiger pear
Opuntia aurantiaca
Prohibition on dealings
Must not be imported into the State or sold
Tiger pear
Opuntia aurantiaca
Regional Recommended Measure
Grazing, conservation and urban areas
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
Tropical soda apple
Solanum viarum
Control Order
Tropical Soda Apple Control Zone: Whole of NSW
Tropical Soda Apple Control Zone (Whole of NSW): Owners and occupiers of land on which there is tropical soda apple must notify the local control authority of new infestations; destroy the plants including the fruit; ensure subsequent generations are destroyed; and ensure the land is kept free of the plant. A person who deals with a carrier of tropical soda apple must ensure the plant (and any seed and propagules) is not moved from the land; and immediately notify the local control authority of the presence of the plant on the land, or on or in a carrier.
Velvety tree pear
Opuntia tomentosa
Prohibition on dealings
Must not be imported into the State or sold
Velvety tree pear
Opuntia tomentosa
Regional Recommended Measure
Grazing, conservation and urban areas
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
This Regional Recommended Measure applies to all species of Opuntia except for Opuntia ficus-indica (Indian fig)
Water caltrop
Trapa species
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species in the Trapa genus are Prohibited Matter in NSW
Water hyacinth
Eichhornia crassipes
Prohibition on dealings
Must not be imported into the State or sold
Water hyacinth
Eichhornia crassipes
Biosecurity Zone
The Water Hyacinth Biosecurity Zone applies to all land within the State, except for the following regions: Greater Sydney or North Coast, North West (but only the local government area of Moree Plains), Hunter (but only in the local government areas of City of Cessnock, City of Lake Macquarie, MidCoast, City of Maitland, City of Newcastle or Port Stephens), South East (but only in the local government areas of Eurobodalla, Kiama, City of Shellharbour, City of Shoalhaven or City of Wollongong).
Within the Biosecurity Zone this weed must be eradicated where practicable, or as much of the weed destroyed as practicable, and any remaining weed suppressed. The local control authority must be notified of any new infestations of this weed within the Biosecurity Zone
Water hyacinth
Eichhornia crassipes
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. Notify local control authority if found.
Water soldier
Stratiotes aloides
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
Willow rhus
Searsia lancea
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant. The plant should not be bought, sold, grown, carried or released into the environment. Notify local control authority if found.
Willows
Salix species
Prohibition on dealings
Must not be imported into the State or sold
All species in the Salix genus have this requirement, except Salix babylonica (weeping willows ), Salix x calodendron (pussy willow) and Salix x reichardtii (sterile pussy willow)
Witchweeds
Striga species
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries
All species in the Striga genus are Prohibited Matter in NSW, except the native Striga parviflora
Yellow burrhead
Limnocharis flava
Prohibited Matter
A person who deals with prohibited matter or a carrier of prohibited matter is guilty of an offence. A person who becomes aware of or suspects the presence of prohibited matter must immediately notify the Department of Primary Industries

The content provided here is for information purposes only and is taken from the Biosecurity Act 2015 and its subordinate legislation, and the Regional Strategic Weed Management Plans (published by each Local Land Services region in NSW). It describes the state and regional priorities for weeds in New South Wales, Australia.