Priority weeds for the Riverina

Note: this region includes the local council areas of Bland, Carrathool (lower), Coolamon, Cootamundra-Gundagai, Griffith, Hay (lower), Hilltops (western), Junee, Leeton, Lockhart Shire Council, Murrumbidgee (upper), Narrandera, Snowy Valleys (upper), Temora and Wagga Wagga.

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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.
Aaron's beard prickly pear Opuntia leucotricha	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
African boxthorn Lycium ferocissimum	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Alligator weed Alternanthera philoxeroides	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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. 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. Griffith City Council has issued a General Biosecurity Direction to the entirety of Barren Box Storage and Wetland and its riparian areas. A link to the direction is above under More Information.
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
Athel pine Tamarix aphylla	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Bellyache bush Jatropha gossypiifolia	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Bitou bush Chrysanthemoides monilifera subsp. rotundata	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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
Bitou bush Chrysanthemoides monilifera subsp. rotundata	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.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Black willow Salix nigra	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
Blackberry Rubus fruticosus species aggregate	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. 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
Blind cactus Opuntia rufida	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Boneseed Chrysanthemoides monilifera subsp. monilifera	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Boneseed Chrysanthemoides monilifera subsp. monilifera	Control Order Boneseed 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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Bridal creeper Asparagus asparagoides	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. *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 Clover broomrape, Orobanche minor and Australian broomrape, Orobanche cernua var. australiana.
Bunny ears cactus Opuntia microdasys	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Cabomba Cabomba caroliniana	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Cane cactus Austrocylindropuntia cylindrica	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. All species in the Austrocylindropuntia genus have this requirement
Cane needle grass Nassella hyalina	Regional Recommended Measure Eradication zone: whole region except for the containment zone of Wagga Wagga City Council Eradication zone: The plant should be eradicated from the land and the land kept free of the plant. Containment zone: Land managers should prevent spread from their land. Whole region: managers should mitigate the risk of new weeds being introduced to their land. The plant should not be bought, sold, grown, carried or released into the environment.
Cape broom Genista monspessulana	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Cape broom Genista monspessulana	Regional Recommended Measure Snowy Valleys Council Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
Cape broom Genista monspessulana	Regional Recommended Measure Whole region excluding Snowy Valleys Council 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.
Cat's claw creeper Dolichandra unguis-cati	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Chicken dance cactus Opuntia schickendantzii	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Chilean needle grass Nassella neesiana	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Chilean needle grass Nassella neesiana	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
Chinese violet Asystasia gangetica subsp. micrantha	Control Order Owners and occupiers of land on which there is Chinese violet must notify the local control authority for the area if the Chinese violet is part of a new infestation on the land, destroy all Chinese violet on the land ensuring that subsequent generations of Chinese violet are destroyed; and keep the land free of Chinese violet. A person who deals with a carrier of Chinese violet 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.
Climbing asparagus Asparagus africanus	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Climbing asparagus fern Asparagus plumosus	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Common pear Opuntia stricta	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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
Eve's needle cactus Austrocylindropuntia subulata	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. All species in the Austrocylindropuntia genus have this requirement
Fireweed Senecio madagascariensis	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Fireweed Senecio madagascariensis	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
Flax-leaf broom Genista linifolia	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Foxtail fern Asparagus densiflorus	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Gorse Ulex europaeus	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
Grey sallow Salix cinerea	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Grey sallow Salix cinerea	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
Ground asparagus Asparagus aethiopicus	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Hawkweeds Pilosella 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 genera Pilosella* and Hieracium are Prohibited Matter except for Hieracium murorum.**
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 pallida	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Karoo acacia 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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Madeira vine Anredera cordifolia	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Mesquite Prosopis species	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. *All species in the genus Prosopis* have this requirement**
Mesquite Prosopis species	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
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. 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.
Ox-eye daisy Leucanthemum vulgare	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.
Parkinsonia Parkinsonia aculeata	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain 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
Perennial ground cherry Physalis 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.
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
Prairie ground cherry Physalis hederifolia	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.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. All species in the Austrocylindropuntia genus have this requirement
Prickly pears - Cylindropuntias Cylindropuntia species	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. All species in the Cylindropuntia genus have this requirement
Prickly pears - Opuntias Opuntia species	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. *For all Opuntia species except for Opuntia ficus-indica* (Indian fig).**
Ragwort Senecio jacobaea	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.
Riverina pear Opuntia elata	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. *For all Opuntia species except for Opuntia ficus-indica* (Indian fig).**
Rope pear Cylindropuntia imbricata	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. All species in the Cylindropuntia genus have this requirement
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Sagittaria Sagittaria platyphylla	Regional Recommended Measure Land managers should mitigate the risk of the plant 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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Salvinia Salvinia molesta	Regional Recommended Measure Land managers should mitigate the risk of the plant 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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Scotch broom Cytisus scoparius subsp. scoparius	Regional Recommended Measure Snowy Valleys Council. Land managers should mitigate the risk of new weeds being introduced to their land. Land managers should mitigate spread from their land.
Scotch broom Cytisus scoparius subsp. scoparius	Regional Recommended Measure Whole region excluding Snowy Valleys Council 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.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Serrated tussock Nassella trichotoma	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. The plant should be eradicated from the land and the land kept free of the plant.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Smooth tree pear Opuntia monacantha	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Snakefeather Asparagus scandens	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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 certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
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. The plant should not be bought, sold, grown, carried or released into the environment.
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. The plant should not be bought, sold, grown, carried or released into the environment. Notify local control authority if found.
Water lilies Nymphaea species	Regional Recommended Measure The plant should be eradicated from the land and the land kept free of the plant. Land managers should mitigate the risk of new weeds being introduced to their land. The plant should not be bought, sold, grown, carried or released into the environment. *This Regional Recommended Measure applies to Nymphaea mexicana* (Mexican water lily)**
Water poppy Hydrocleys nymphoides	Regional Recommended Measure Land managers should mitigate the risk of the plant being introduced to their land. Land managers should mitigate spread from their land. 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
Wheel cactus Opuntia robusta	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale.
Willows Salix species	Prohibition on certain dealings Must not be imported into the state, sold, bartered, exchanged or offered for sale. *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.