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Published: Tuesday, 09 January 2018 12:02
The Department of Biodiversity, Conservation and Attractions is calling on Perth residents to help manage the spread of Amazon frogbit, following its discovery in a Perth waterway. Amazon frogbit, a highly invasive aquatic weed that can impact on river health and biodiversity, was first spotted in Bayswater Brook in late December. Originating from Central and South America, the Amazon frogbit (Limnobium laevigatum) spreads rapidly via fragments that are readily detached from the parent plant. Each plant fragment can produce multiple seed pods with each pod containing 20-30 seeds that are viable for at least three years. It is sold in Western Australia for use in aquariums, however when disposed of inappropriately the plant has the potential to cause widespread devastation by congesting drains, waterways and…