Deep in the Namib Desert, Africa's wildest wilderness, among the many interesting discoveries of the desert lives a remarkable survivor. Known in Afrikaans as "tweeblaarkanniedood" meaning, "two ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

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 ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.