"Naturalised in northern Queensland and in the coastal districts of northern Western Australia (e.g. Broome, South Hedland and Arnhem Land). Possibly also naturalised, or naturalised beyond its native range, in the Northern Territory.
This very aggressive smothering vine is regarded as being native to some parts of the Northern Territory. However, it is invasive in other parts of the world and it thought to pose a threat to the environment in many parts of Australia beyond its native range (i.e. in the monsoon zone of northern Australia and the tropical and sub-tropical humid zones of coastal Queensland and northern New South Wales)." https://keyserver.lucidcentral.org/weeds/data/media/Html/coccinia_grandis.htm
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