Priority weeds for the North West

Note: this region includes the local council areas of Gunnedah, Gwydir, Liverpool Plains, Moree Plains, Narrabri, Tamworth and Walgett.

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 the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
African olive
Olea europaea subsp. cuspidata
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. The plant should not be bought, sold, grown, carried or released into the environment.
Aleman grass
Echinochloa polystachya
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.
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
Alligator weed
Alternanthera philoxeroides
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land.
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. The plant should not be bought, sold, grown, carried or released into the environment. 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
Bellyache bush
Jatropha gossypiifolia
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.
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
Black willow
Salix nigra
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.
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
Blackberry
Rubus fruticosus species aggregate
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Gwydir Shire council, Liverpool Plains Shire council and Tamworth Regional council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land. Core infestation: Land managers reduce impacts from the plant on priority assets
Blue hound's tongue
Cynoglossum creticum
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.
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
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 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
Brown-top bent
Agrostis capillaris
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
Cabomba
Cabomba caroliniana
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.
This applies to all species of Cabomba except for the native Cabomba furcata
Camel thorn
Alhagi maurorum
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.
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
Cape broom
Genista monspessulana
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising all Local Government Areas east of the Newell Highway
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land; the plant should be eradicated from the land and the land kept free of the plant. Core infestation: Land managers reduce impacts from the plant on priority assets
Cape tulip - one leaf
Moraea flaccida
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.
Cape tulip - two-leaf
Moraea miniata
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.
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
Chilean needle grass
Nassella neesiana
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Tamworth Regional council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land. Core infestation: Land managers reduce impacts from the plant on priority assets
Chinese violet
Asystasia gangetica subsp. micrantha
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.
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
Common pear
Opuntia stricta
Prohibition on dealings
Must not be imported into the State or sold
East Indian hygrophila
Hygrophila polysperma
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
Gorse
Ulex europaeus
Prohibition on dealings
Must not be imported into the State or sold
Gorse
Ulex europaeus
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.
Green cestrum
Cestrum parqui
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Gunnedah Shire council, Gwydir Shire council, Narrabri Shire council and Tamworth Regional council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land; the plant should be eradicated from the land and the land kept free of the plant. Core infestation: Land managers reduce impacts from the plant on priority assets
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
An exclusion zone is established for all lands in the region, except the core infestation area, comprising the Gwydir Shire council and Moree Plains Shire council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: 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. Core infestation: Land managers reduce impacts from the plant on priority assets
This Regional Recommended Measure applies to Harrisia martinii and Harrisia tortuosa
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
Honey locust
Gleditsia triacanthos
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Gunnedah Shire council; Narrabri Shire council and Tamworth Regional council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: 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. Core infestation: Land managers reduce impacts from the plant on priority assets
Horsetails
Equisetum species
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.
Hudson pear
Cylindropuntia rosea
Prohibition on dealings
Must not be imported into the State or sold
Hudson pear
Cylindropuntia rosea
Regional Recommended Measure
Whole of Region, excluding Core infestations within Walgett shire
Within Exclusion Zone: 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. Within Core infestation: should be contained and reduced in extent and outlier infestations should be continuously suppressed and destroyed.
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
Hygrophila
Hygrophila costata
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.
Hymenachne
Hymenachne amplexicaulis and hybrids
Prohibition on dealings
Must not be imported into the State or sold
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
Kidney-leaf mud plantain
Heteranthera reniformis
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.
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
Leafy elodea
Egeria densa
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.
Long-leaf willow primrose
Ludwigia longifolia
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.
Ludwigia
Ludwigia peruviana
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.
Madeira vine
Anredera cordifolia
Prohibition on dealings
Must not be imported into the State or sold
Madeira vine
Anredera cordifolia
Regional Recommended Measure
Land managers should mitigate the risk of new weeds being introduced to their land.
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
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Walgett Shire council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: 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. Core infestation: Land managers reduce impacts from the plant on priority assets
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
Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land. The plant should not be bought, sold, grown, carried or released into the environment.
This Regional Recommended Measure applies to Bryophyllum delagoense
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)
Rhus tree
Toxicodendron succedaneum
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.
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 the risk of new weeds being introduced to their land. 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.
Salvinia
Salvinia molesta
Prohibition on dealings
Must not be imported into the State or sold
Salvinia
Salvinia molesta
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.
Scotch broom
Cytisus scoparius subsp. scoparius
Prohibition on dealings
Must not be imported into the State or sold
Scotch broom
Cytisus scoparius subsp. scoparius
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising all Local Government Areas east of the Newell Highway
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land; the plant should be eradicated from the land and the land kept free of the plant. Core infestation: Land managers reduce impacts from the plant on priority assets
Senegal tea plant
Gymnocoronis spilanthoides
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.
Serrated tussock
Nassella trichotoma
Prohibition on dealings
Must not be imported into the State or sold
Serrated tussock
Nassella trichotoma
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising all Local Government Areas east of the Newell Highway
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land; the plant should be eradicated from the land and the land kept free of the plant. Core infestation: Land managers reduce impacts from the plant on priority assets
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 the risk of new weeds being introduced to their land. 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
Snakefeather
Asparagus scandens
Prohibition on dealings
Must not be imported into the State or sold
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
St. John's wort
Hypericum perforatum
Regional Recommended Measure
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Gunnedah Shire council, Gwydir Shire council, Liverpool Plains Shire council and Tamworth Regional council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land. Core infestation: Land managers reduce impacts from the plant on priority assets
Sweet briar
Rosa rubiginosa
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. The plant should not be bought, sold, grown, carried or released into the environment.
Tiger pear
Opuntia aurantiaca
Prohibition on dealings
Must not be imported into the State or sold
Tiger pear
Opuntia aurantiaca
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.
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
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
An exclusion zone is established for all lands in the region, except the core infestation area comprising the Moree Plains Shire council
Whole of region: The plant should not be bought, sold, grown, carried or released into the environment. Exclusion zone: Land managers should mitigate the risk of new weeds being introduced to their land; land managers should mitigate spread from their land; the plant should be eradicated from the land and the land kept free of the plant. Core infestation: Land managers reduce impacts from the plant on priority assets
Water lettuce
Pistia stratiotes
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 lilies
Nymphaea species
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.
This Regional Recommended Measure applies to Nymphaea mexicana (Mexican water lily)
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
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 bells
Tecoma stans
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.
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.