The aim of this book is to effectively synthesize the literature pertaining to the ecology of wild plants into a comprehensive survey for the undergraduate student, aiming to teach the essentials of the interactions between plants and their environment ranging from communities to landscapes. The book takes an integrated approach to plant ecology and is divided into four parts which include information on the broad apsects of plant ecology. Chapters are written as self-contained units and can be read in any order, and authors new to this edition bring expertise on vegetation sampling and the conservation of endangered species. For this edition there have been revisions to chapters on population biology, species interactions, succession, nutrient cycling, soil, fire, photosynthesis and the vegetation of North America.