A plant that lived 47 million years ago in what is now Utah is like nothing that lives on planet Earth today. The discovery of new fossils reveals that a species first found in 1969 is not a member of ...
An “alien plant” fossil discovered 55 years ago just outside of an abandoned town in Utah has no relation to any currently existing or extinct species, scientists revealed in a study last month.
Scientists have discovered a unique fossil that does not match any known species of flowering plants, an advance that sheds ...
Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...
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