摘要:A short history of the knowledge of Iranian smut fungi is given followed by an account of the 99 known smut fungus species (Ustilaginomycetes) from Iran. Each species is presented with its authors, place of publication, synonyms, description, host plants and geographic distribution. A key to the 16 genera, to which these smuts belong, and keys to the species within each genus are given. There is also a host plant – smut fungus index. The following six species are known only from Iran: Anthracoidea songorica, Entyloma majewskii, Tilletia rostrariae, Tranzscheliella iranica, Urocystis behboudii and Urocystis phalaridis