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A Class 2 weed, Salvinia molesta is regionally prohibited and should be eradicated from the land. A Class 3 weed, land managers should minimise the risk of introducing or spreading Cestrum parqui. A Class 4 weed, Anredera cordifolia must not be sold or imported into the state. This is the Noxious Weeds Act 1993: [4] [5]
The Australian Weeds Committee maintain a noxious weeds list covering all the states and territories. [1] Acacia farnesiana (sweet acacia) [2] Ageratina riparia (mistflower) [3] Ailanthus altissima (tree of heaven) [4] Alternanthera philoxeroides (alligator weed) [4] Andropogon virginicus (broomsedge) [5] Annona glabra (alligator apple) [4]
Management and the prevention of the introduction of new invasive species are key environmental and agricultural policy issues for the Australian federal and state governments. As of 2016 the management of weeds cost A$1.5 billion on weed control and a further $2.5 billion in lost agricultural production over the course of a year. [5]
Common ragweed, Ambrosia artemisiifolia, is a widespread invasive species, and can become a noxious weed, that has naturalized in Europe; temperate Asia and the Indian subcontinent; temperate northern and southern Africa and Macaronesia; Oceania in Australia, New Zealand, and Hawaii; and Southwestern North America in California and the ...
This is a parasitic noxious weed, Striga gesnerioides, commonly called Witchweed. This is a terrestrial noxious weed, Drymaria arenarioides commonly called Lightning weed. It is sometimes confused with daisies. Some noxious weeds are harmful or poisonous to humans, domesticated grazing animals, and wildlife. Open fields and grazing pastures ...
Weeds of National Significance (WoNS) is a list of the most problematic plant species in Australia as determined by the federal government. Initially a list of 20 taxa were listed and given a rank based on invasiveness, impacts, potential for spread, and socioeconomic and environmental values. [ 1 ]
Mimosa pigra is a noxious weed, which has received international recognition because of its existing and potential impact on biological diversity.In Australia it further affects traditional and non-traditional land use, and the sustainability of agriculture and tourism.
An aggressive and hardy invasive species, T. terrestris is widely known as a noxious weed because of its small woody fruit – the bur – having long sharp and strong spines which easily penetrate surfaces, such as bare feet or thin shoes of crop workers and other pedestrians, the rubber of bicycle tires, and the mouths and skin of grazing ...