"""...well written, the illustrations are excellent and, most of all, the information is up-to-date and pertinent....will be a valuable addition to biological and agricultural libraries and a worthwhile source of information for both research and teaching of plant pathology and mycology."" Donald C. Erwin, Mycologia ""...an excellent and comprehensive treatment of this very important genus of plant pathogenic fungi."" George A. Zentmyer, Plant Science Bulletin ""...should serve as anexcellent resource for researchers and students, especially those with an interest in molecular systematics, genetics, and population biology in this genus."" Quarterly Review of Biology"