Donald D. Cox is Professor Emeritus of Biology at State University of New York at Oswego. He is the author of several books, including A Naturalist's Guide to Forest Plants: An Ecology for Eastern North America; A Naturalist's Guide to Wetland Plants: An Ecology for Eastern North America; A Naturalist's Guide to Field Plants: An Ecology for Eastern North America; and A Naturalist's Guide to Seashore Plants: An Ecology for Eastern North America...