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

Many mountain ranges contain semi-natural habitats that have been little human interference. They are home to many animal and plant species, some of them endemic and highly specialized. Mountains have ...

Researchers have catalogued which alien plants may pose a threat to plants in the Arctic. The post Study warns thousands 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.