An introduced species (also known as an exotic species) is an organism that is not native to the place or area where it is considered introduced and instead has been accidentally or deliberately transported to the new location by human activity.
Here Are 3 Weeds we saw at the farm:
introduced weeds, these weeds have spread into some of the dry rainforest and are using up the vital nutrients that the trees need thus it dies, this will have killed a substantial amount of dry rainforest.