We just spotted this summer story from Ira Flatow’s Science Friday on NPR:
Currently, in the United States and in most parts of the world, the term invasive is supposed to be used – or is typically used to refer to a non-native species that is causing harm of some sort. And that could be human health harm, it could be economic harm, it could be ecological harm. The catch is, is that the term invasive is often used not too discriminately.