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The following plants have been declared noxious weeds in the City of Ryde.
Class 1. State Prohibited Weeds
Characteristics
Class 1 noxious weeds are plants that pose a potentially serious threat to primary production or the environment and are not present in the State or are present only to a limited extent.
Control objective
Prevent the introduction and establishment of those plants in NSW.
Control action
The plant must be eradicated from the land and the land must be kept free of the plant.
| Common Name |
Scientific Name |
| Anchored water hyacinth |
Eichhornia azurea |
| Black knapweed |
Centaurea nigra |
| Broomrapes |
Orobanche species
Includes all Orobanche species except the native O. cernua variety australiana and O. minor |
| Chinese violet |
Asystasia gangetica subspecies micrantha |
| East Indian hygrophila |
Hygrophila polysperma |
| Eurasian water milfoil |
Myriophyllum spicatum |
| Hawkweed |
Hieracium species |
| Horsetail |
Equisetum species |
| Hymenachne |
Hymenachne amplexicaulis |
| Karoo thorn |
Acacia karroo |
| Kochia |
Bassia scoparia except Bassia scoparia subspecies trichophylla |
| Lagarosiphon |
Lagarosiphon major |
| Mexican feather grass |
Nassella tenuissima |
| Miconia |
Miconia species |
| Mimosa |
Mimosa pigra |
| Parthenium weed |
Parthenium hysterophorus |
| Pond apple |
Annona glabra |
| Prickly acacia |
Acacia nilotica |
| Rubbervine |
Cryptostegia grandiflora |
| Senegal tea plant |
Gymnocoronis spilanthoides |
| Siam weed |
Chromolaena odorata |
| Spotted knapweed |
Centaurea maculosa |
| Water caltrop |
Trapa species |
| Water lettuce |
Pistia stratiotes |
| Water soldier |
Stratiotes aloides |
| Witchweed |
Striga species
Includes all Striga species except native species and Striga parviflora |
| Yellow burrhead |
Limnocharis flava |
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Class 2. Regionally Prohibited Weeds
Characteristics
Class 2 noxious weeds are plants that pose a potentially serious threat to primary production or the environment of a region to which the order applies and are not present in the region or are present only to a limited extent.
Control objective
Prevent the introduction and establishment of those plants in parts of NSW.
Control action
The plant must be eradicated from the land and the land must be kept free of the plant.
| Common Name |
Scientific Name |
| Hygrophila |
Hygrophila costata |
| Salvinia |
Salvinia molesta |
| Water hyacinth |
Eichhornia crassipes |
Class 3. Regionally Controlled Weeds
Characteristics
Class 3 noxious weeds are plants that pose a serious threat to primary production or the environment of an area to which the order applies, are not widely distributed in the area and are likely to spread in the area or to another area.
Control objective
Reduce the area and the impact of those plants in parts of NSW.
Control action
The plant must be fully and continuously suppressed and destroyed.
| Common Name |
Scientific Name |
| Alligator weed |
Alternanthera philoxeroides |
| Bitou bush |
Chrysanthemoides monilifera subspecies rotundata |
| Boneseed |
Chrysanthemoides monilifera subspecies monilifera |
| Cape broom |
Genista monspessulana |
| Green cestrum |
Cestrum parqui |
| Long-leaf willow primrose |
Ludwigia longifolia |
| Ludwigia |
Ludwigia peruviana |
| Pampas grass |
Cortaderia species |
| Tussock paspalum |
Paspalum quadrifarium |
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Class 4. Locally Controlled Weeds
Characteristics
Class 4 noxious weeds are plants that pose a threat to primary production, the environment or human health, are widely distributed in an area to which the order applies and are likely to spread in the area or to another area.
Control objective
Minimise the negative impact of those plants on the economy, community or environment of NSW.
Control action
The growth and spread of the plant must be controlled according to the measures specified in a management plan published by the local control authority, and the plant may not be sold, propagated or knowingly distributed.
| Common Name |
Scientific Name |
| African olive |
Olea europaea subspecies cuspidata |
| Asparagus fern |
Asparagus aethiopicus |
| Balloon vine |
Cardiospermum grandiflorum |
Blackberry
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Rubus fruticosus aggregate species except cultivars Black satin, Chehalem, Chester Thornless, Dirksen Thornless, Loch Ness, Murrindindi, Silvan, Smoothstem, Thornfree |
| Bridal creeper |
Asparagus asparagoides |
| Camphor laurel |
Cinnamomum camphora |
| Cape ivy |
Delairea odorata |
| Castor oil plant |
Ricinus communis |
| Cat's claw creeper |
Macfadyena unguis-cati |
| Chilean needle grass |
Nassella neesiana |
| Climbing asparagus fern |
Asparagus plumosus |
| Elephant grass |
Arundo donax |
| English broom |
Cytisus scoparius |
| Giant reed |
Arundo donax |
| Harrisia cactus |
Harrisia species |
| Lantana |
Lantana species |
| Madeira vine |
Anredera cordifolia |
| Morning glory (coastal) |
Ipomoea cairica |
| Morning glory (purple) |
Ipomoea indica |
| Ochna |
Ochna serrulata |
| Pellitory |
Parietaria judaica |
| Prickly pear |
Cylindropuntia species |
| Prickly pear |
Opuntia species except O. ficus-indica |
| Privet (Broad-leaf) |
Ligustrum lucidum |
| Privet (Narrow-leaf/Chinese) |
Ligustrum sinense |
| Rhizomatous bamboo |
Phyllostachys species |
| Rhus tree |
Toxicodendron succedaneum |
| Scotch broom |
Cytisus scoparius |
| Senna |
Senna pendula |
| Serrated tussock |
Nassella trichotoma |
| St. John's wort |
Hypericum perforatum |
| Trad |
Tradescantia fluminensis |
| Wandering Jew |
Tradescantia fluminensis |
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Class 4 Weed Management Plans
Weed management plans have been published by Council for the following Class 4 noxious weeds:
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Class 5. Restricted Plants
Characteristics
Class 5 noxious weeds are plants that are likely, by their sale or the sale of their seeds or movement within the State or an area of the State, to spread in the State or outside the State.
Control objectives
Prevent the introduction of those plants into NSW, the spread of those plants within NSW or from NSW to another jurisdiction.
Control action
The requirements in the Noxious Weeds Act 1993 for a notifiable weed must be complied with.
| Common Name |
Scientific Name |
| African feathergrass |
Pennisetum macrourum |
| African turnipweed |
Sisymbrium runcinatum |
| African turnipweed |
Sisymbrium thellungii |
| Annual ragweed |
Ambrosia artemisiifolia |
| Arrowhead |
Sagittaria montevidensis |
| Artichoke thistle |
Cynara cardunculus |
| Athel tree |
Tamarix aphylla |
| Bear-skin fescue |
Festuca gautieri |
| Bridal creeper |
Asparagus asparagoides |
| Burr ragweed |
Ambrosia confertiflora |
| Cabomba |
Cabomba caroliniana |
| Cayenne snakeweed |
Stachytarpheta cayennensis |
| Clockweed |
Gaura lindheimeri |
| Clockweed |
Gaura parviflora |
| Corn sowthistle |
Sonchus arvensis |
| Dodder |
Cuscuta species
Includes all Cuscuta species except the native species C. australis, C. tasmanica and C. victoriana |
| Espartillo |
Achnatherum brachychaetum |
| Fine-bristled burr grass |
Cenchrus brownii |
| Fountain grass |
Pennisetum setaceum |
| Gallon's curse |
Cenchrus biflorus |
| Glaucous starthistle |
Carthamus glaucus |
| Golden thistle |
Scolymus hispanicus |
| Lantana |
Lantana species |
| Long-leaf willow primrose |
Ludwigia longifolia |
| Mexican poppy |
Argemone mexicana |
| Mossman River grass |
Cenchrus echinatus |
| Onion grass |
Romulea species
Includes all Romulea species and varieties except R. rosea var. australis |
| Oxalis |
Oxalis species and varieties
Includes all Oxalis species and varieties except the native species O. chnoodes, O. exilis, O. perennans, O. radicosa, O. rubens, and O. thompsoniae |
| Red rice |
Oryza rufipogon |
| Sagittaria |
Sagittaria platyphylla |
| Sand oat |
Avena strigosa |
| Smooth-stemmed turnip |
Brassica barrelieri subspecies oxyrrhina |
| Soldier thistle |
Picnomon acarna |
| Texas blueweed |
Helianthus ciliaris |
| Willows |
Salix species
Includes all Salix species except S. babylonica, S. x reichardtii, S. x calodendron |
| Yellow nutgrass |
Cyperus esculentus |
Notifiable Weeds
Class 1, 2 and 5 noxious weeds are notifiable weeds under the Noxious Weeds Act 1993.
An occupier of land on which there is a notifiable weed must notify Council within 3 days of becoming aware of the weed.
It is an offence to sell notifiable weed material.
A permit must also be obtained from the Department of Primary Industries to move notifiable weed material for the purpose of destruction.
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