Keeping areas free of invasive species is a matter of vigilance and a project that can take several years. Invasive species — many states maintain a list that is updated regularly — impact the whole ...

This story was originally produced by The Keene Sentinel. NHPR is republishing it in partnership with the Granite State News Collaborative. Glossy buckthorn, Japanese knotweed and Asian bittersweet ...

A slew of invasive plant species have grown roots in Kentucky soil and more are migrating into the state, shouldering out native biodiversity. Invasive plants are non-native, causing ecological or ...