In order to determine morphological characteristics of Fusarium species associated with root and stem of maize in Kermanshah province, duringtwo growing seasons of 2006-2008, 110 samples, mostly from diseased plants were collected from different geographic regions of the province. The collecting localities were Gilan Gharb, Sarpol Zohab, Qasr Shirin, Sonqor, Kangavar, Bisotun, Ravansar, Kermans...