This book is an outcome of research, aims to help better understanding of the problems associated with trees in parks and roadsides. It outlines the diseases cause by fungi. Chapter I introduces trees and their importance in parks and roadsides, heart rot and root rot fungi, types of wood decaying fungi, Signs and symptoms of diseases and their geographical description of some location in the studied areas. Chapter II reviews the literature including taxonomy of Ganoderma and Phellinus. Chapter III deals with surveys, collections, identification of pathogens, and analysis of damage to the...