Anyone can learn to identify the trees, wildflowers, lichen, and other living things in the forest known as the "Great North Woods" of Greenbelt, Maryland. With over 200 photographs, this field guide can be your companion as you hike the forest, helping you to distinguish moss from clubmoss and black gum from black cherry. The ecological role of individual species is described, as is their history on this site. This book is full of wild shapes and colors, the forest in various seasons, weather, and light.