Chestnut Grove stiltgrass field covered with tarps. As winter approaches and nature slows down, some unwelcome visitors remain persistently active—our region's invasive species. These plants, animals, and insects are not part of our local ecosystem and can have a serious impact on the health of our nature trails. When left unchecked, invasive species crowd out native plants, alter habitats, and make it harder for wildlife to thrive. In Maryland, some of the most aggressive invasive species...