Flora of Middle-earth: Plants of J.R.R. Tolkien's Legendarium, by Walter and Graham A. Judd, surveys the plants and trees described by J.R.R. Tolkien throughout his writings of the Middle-earth legendarium. It contains numerous drawings, of each example.
Walter Judd is a Distinguished Professor Emeritus who taught biology at the University of Florida. Graham Judd, his brother, holds an MFA in Printmaking and has taught at Augsburg University and Minneapolis College of Art and Design.