It is well known that diseases can greatly influence the morphology of plants, but often the incidence of disease is either too rare or the symptoms too obvious for the 'abnormalities' to cause confusion in systematics. However, we have recently come across several misinterpretations of disease-induced traits that may have been perpetuated into modern species inventories. Anther-smut disease (c...

An account of nine Agarics, namely, Macrolepiota procera, M. rhacodes. Lepiota leprica, L. holospilota, Coprinus comatus, C. plicatilis, C. scobicola, C. disseminatus and C. flocculosus, were collected from different localities that is Noor city of Mazandaran, Maragheh city of East Azarbaijan and Karaj and Varamin cities of Tehran province are described in details. Species namely Lepiota lepric...

In the present study, two species of rosaceous rust fungi are reported from Iran. Ochropsora ariae is newly reported for Iranian rust mycobiota. This is the first report of a member of the genus Ochropsora from Iran. Kuehneola uredinis is reported for the second time from Iran since its first report in 1958 under the name K. albida. Pyrus boissieriana</em...

iranian species of the leafhopper genus neoaliturus distant, 1918 (n. alboflavovittatus (lindberg), n. decemocellatus (dlabola); n. dubiosus (matsumura), n. fenestratus (herrich-schäffer), n. guttulatus (kirschbaum), n. haematoceps (mulsant and rey), n. opacipennis (lethierry), n. pulcher (haupt); n. tenellus (baker)) are reviewed. detailed morphological descriptions and illustrations and a key...

middle jurassic (bajocian-bathonian) sphenophyta fossils of the silicified level peats of the pabdana coal mine (kerman) recovered. four new species of sphenophyta described for the first time. they include equisetites pabdanaii sp. nov., equisetites sparseii sp. nov., equisetites hojedkii sp. nov. and equisetites irregularii sp. nov.,. descriptions of the above mentioned new species has been d...