List of invasive plant species in New South Wales information
Limnobium laevigatum (frogbit) is declared ‘prohibited matter’ under the Biosecurity Act 2015 for its invasive and obstructive nature, therefore it's illegal to buy or sell this plant in NSW.[1]
Numerous plants have been introduced to the state of New South Wales, Australia during the past two centuries, and many of them have become invasive species or noxious weeds which by definition compete with native plants and suppress the growth of indigenous populations. NSW has over 340 weeds, though only one-third are considered noxious, which were purposefully introduced as garden and farmland plants, and thus had escaped. They generally consist of agricultural, scrub, aquatic, roadside and allergenic weeds.
Weeds threaten more than 40% of NSW threatened species (which are predominantly plants) and around 90% of endangered ecological communities. An excess of $50 million of public money (half which come from state government) is currently being spent on weed control. Despite the efforts, the control is not keeping up with their invasiveness, and the NSW Government has granted that it is unlikely to surpass its 2015 goal of ‘a reduction in the impact of invasive species’.[2]
Weeds are threat to the state's natural environment and would jeopardise many native plants and animals in NSW. They would also effect the price of food, human condition (allergies and asthma), recreational activities and the economy of New South Wales. The harmful impact of weeds is increasing fast as more species are introduced and dispersed into new areas. General, state or regional biosecurity duties under the Biosecurity Act 2015 are presented for each weed.[3]
^Help stop spread of dangerous aquatic weed by Department of Primary Industries
^Stopping The Weed Crisis In NSW by the Invasive Species Council
^Weeds by the Department of Studies from the NSW government
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