خلیل بردی فتوحی فر - Department of Plant Protection, College of Horticulture Science & Plant Protection, University College of Agricultural & Natural Resources, University of Tehran, Karaj ۳۱۵۸۷-۱۱۱۶۷, Iran E-mail: fotouhi@ut.ac.ir
قربانعلی حجا رود - Department of Plant Protection, College of Horticulture Science & Plant Protection, University College of Agricultural & Natural Resources, University of Tehran, Karaj ۳۱۵۸۷-۱۱۱۶۷, Iran
سید محمود اخوت - Department of Plant Protection, College of Horticulture Science & Plant Protection, University College of Agricultural & Natural Resources, University of Tehran, Karaj ۳۱۵۸۷-۱۱۱۶۷, Iran
محمد جوان نیکخواه - Department of Plant Protection, College of Horticulture Science & Plant Protection, University College of Agricultural & Natural Resources, University of Tehran, Karaj ۳۱۵۸۷-۱۱۱۶۷, Iran
جعفر ارشاد - Department of Botany, Iranian Research Institute of Plant Protection, P.O. Box ۱۴۵۴, Tehran ۱۹۳۹۵, Iran
سید محمود موسوی - Department of Botany, Iranian Research Institute of Plant Protection, P.O. Box ۱۴۵۴, Tehran ۱۹۳۹۵, Iran

In order to study of the form-genus Cytospora, around ۴۰۰ specimens were collected from all over the Iran during ۲۰۰۳-۲۰۰۵. In this paper, the first part of the obtained results, including seven form-species are presented. Cytospora atrocirrhata, C. carbonacea, C. gutnerae, C. nivea and C. rosarum are reported as new members for mycoflora of Iran. Also, Vitis vinifera for C. leucostoma and Celtis australis and Populus alba for C. translucens are reported as new hosts (matrix nova) in the world.

fungi, Taxonomy, Biodiversity, Coelomycetes