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More than 200 million years ago, geological forces split apart the continents. Isolated from each other, the two halves of the world developed totally different suites of plants and animals. Columbus's voyages brought them back together--and marked the beginning of an extraordinary exchange of flora and fauna between Eurasia and the Americas.
Annotated selected list of floras and floristic works relating to vascular plants, including bibliographies and publications dealing with useful plants and vernacular names.