摘要

Dianema macrosporum is described as a new taxon, characterized by large spores (about 15-19 mu m in diam.) and mouse grey colour at the margin of the sporotheca, based on material collected from Liaoning Province in China. Description and illustration of the new species by means of scanning electron micrographs and a key to the species of the genus are provided herein. The holotype specimen has been deposited in the Herbarium of the Mycological Institute of Jilin Agricultural University (HMJAU), Changchun, China.