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You’d think that the world’s largest plant would stand out like a sore thumb.

But researchers have today revealed there’s a plant about 4,500 years old and measuring 180 kilometres across living right under our noses in Western Australia.

Genetic testing has revealed that what was once thought to be part of a giant seagrass meadow in the shallow waters of Shark Bay, near Carnarvon, was actually a single massive clone of Posidonia australis seagrass. Continue reading…

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