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Two species of Dematiaceous Hyphomycetes belonging to genera Exserticlava and Sporidesmium are described and illustrated.E.vasiformis, occurring on dead branches of Robinia pseudoacia and being new to Mainland China, S.socium, a species new to China, were found on dead branches of Machilus microcaria var.omeiensis.The voucher specimens are deposited in the Herbarium of the Department of Plant Pathology, Shandong Agricultural University (HSAUP).