Molecular mycology has been playing a pivotal role in 21st century. It is emerging with full impact. It is multi-disciplinary and includes molecular markers, recombinant DNA techniques, cloning, phylogeny and bioinformatics. Varying in application of concepts, practice, scale, style and substance, molecular mycology is amongst the latest globalising frontiers of the corporate world. This branch is being regarded as a core subject in many colleges and universities. In the book, various topics on molecular mycology are uniquely combined to provide a complete overview of the subject. The book addresses the role of molecular and bioinformatics tools in solving the problems of identification of fungi and discusses current trends in Molecular Mycology.