中文摘要：

从云南西双版纳及河口热带雨林、植物园、荒坡和农田中采集混合土壤样品30余份,采用稀释平板法和土壤颗粒法从中分离获得暗色丝孢菌分离物53个,经形态鉴定分属于29属37种。其中4个为中国新记录种：尼尔布洛孢Bloxamia nilagirica、不规头梗孢Cephaliophora irregularis、单梗粘孢Haplographium delicatum和不列颠黑团孢Periconia britannica,对它们进行了描述和必要的讨论。研究过的标本（干制培养物）及活菌种保存在山东农业大学植物病理学标本室（HSAUP）。

英文摘要：

A total of 53 isolates of dematiaceous hyphomycetes belonging to 37 species in 29 genera were isolated and identified from 30 soil samples collected in the tropical rain forest,botanical garden,wastelands and cultivated lands in Xishuangbanna and Hekou areas,Yunnan Province,China.Bloxamia nilagirica,Cephaliophora irregularis,Haplographium delicatum and Periconia britannica were newly recorded for China.All the specimens（dried cultures） and living cultures studied have been deposited in the Herbarium of Shandong Agricultural University：Plant Pathology（HSAUP）.