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Published online 17 July 2008 | Nature | doi:10.1038/news.2008.959
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Galapagos invaders go native
Plant fossils prove that species' presence predated humans' arrival
Fossil remains have proved that certain plants found on the Galapagos Islands, which were thought to be invasive species brought there by humans, have actually grown there for at least a millennium.
Sorting the native plant life from the trespassers is essential to conservation efforts.
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