Native to Mexico and Argentina, hygrophila is a flowering, erect herb that grows on creekbanks and in shallow freshwater wetlands.
Hygrophila has now naturalised in New South Wales, and is an emerging problem for Queensland's waterways. The main danger is that aggressive hygrophila growth will pose a competitive threat to native water plants.
Hygrophila is a restricted invasive plant under the Biosecurity Act 2014.
No sightings currently exist.
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