"Plant Systematics: A Phylogenetic Approach" is a comprehensive guide to understanding plant taxonomy and evolution, authored by Christopher S. Campbell, Walter S. Judd, Elizabeth A. Kellogg, Michael J. Donoghue, and Peter F. Stevens. This revised edition, published by Oxford University Press in 2007, offers a detailed phylogenetic approach to plant systematics. The book features illustrations and spans over 600 pages, making it an invaluable resource for students and researchers in the field of life sciences, specifically botany and taxonomy. With a user-friendly format and authoritative content, this book is a must-have for those interested in exploring the fascinating world of plant evolution.