The most comprehensive field guide available to North American mushrooms--a must-have for any enthusiast's day pack or home library--from the go-to reference source for over 18 million nature lovers.Featuring a durable vinyl binding and over 700 full-color identification photographs organized visually by color and shape, the National Audubon Society Field Guide to North American Mushrooms is the perfect companion for any mushroom hunting expedition. Each species is accompanie