سید اکبر خداپرست - Associate Prof., Department of Plant Protection, College of Agriculture, University of Guilan, Rasht, Iran (khodaparast@guilan.ac.ir)
محمود زاهدی - Expert, Department of Jihad-e-Agriculture, Natanz, Iran
امیررضا امیرمیجانی - PhD Student, Department of Plant Protection, College of Agriculture, University of Guilan, Rasht, Iran
مهدی سلیمی - Expert, Department of Plant Protection, College of Agriculture, University of Guilan, Rasht, Iran

Several species of mitosporic fungi collected from Guilan and Mazandaran provinces were examined and as a result, four species viz.,Pestalotiopsis acaciae (on Diospyros lotus), Prathigada condensata (on Gleditschia caspica), Stigmella effigurata (on Castanea sativa), Teratosperma uniappendiculatum (on perthecia of Cryphonectria parasitica) are reported as new records for Iranian mycobiota. Moreover, Teratosperma uniappendiculatum is recorded for the first time on perithecia of Cryphonectria parasitica in the word. Cornus sp. and Vigna unguiculata are reported as new hosts for Seiridium unicorne and Corynespora cassiicola, respectively.