White flower with black and yellow center over green leaves. For more information about wildflowers visit the National Plants Database Additional Resources: National Plants Database http://plants.usda.gov/.
White blossoms with dark green leaves among autumn oak leaves and lichen. For additional resources about wildflowers visit the National Plants Database: National Plants Database http://plants.usda.gov/.
Contaminants; Environmental quality; Habitat conservation; Human impacts; Pollutants; Wildlife refuges;
Trash is sometimes dumped on National Wildlife Refuges. Here is an example of where people have dumped household refuse at a refuge. This requires additional resources to clean up an haul away these materials.