“Imagine if you will ... invasive alien plants are growing, spreading and thriving in your neighborhood.” It could be the tagline for a horror movie. Unfortunately, it is an issue we deal with every ...

The invasive water hyacinth has taken over a communal pond in a small village in northern India. All other plants have been pushed out. Invasive species are reshaping ecosystems and local people’s ...

Amelia Ruiz-Coogan explains why learning to tell the difference between weeds and wanted plants, and indigenous and alien species, matters, especially in threatened grassland areas.