Johannesburg is planting 120 indigenous trees as part of efforts to remove invasive plants and restore the city’s green ...

A new survey of Italy's alien vascular flora documents dozens of species, from Bidens pilosa to Taxodium distichum, crossing ...

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk. Species that are not ...

A floristic compilation adds native plant records across Italian regions, revises alien-plant status and establishes a new ...

Erik Irmer has been documenting the spread of invasive plant and animal species that disrupt native ecology across Europe. He focuses on humans’ interactions with these plants and animals. Aliens is ...