New species of wood inhabiting discomycetes of Helotilaes for Iran

Abstract

Four species of wood inhabiting cup fungi belonging to order Helotiales are reported for the first time in Iran. Species are described and illustrated with photographs and drawings. Three genera <em>Arachnopeziza</em>, <em>Hymenoscyphus</em> and <em>Lachnum</em> are new records for Iran.