This study contains descriptions and illustrations of three new and noteworthy taxa of the genus Psathyrella from Korea. Among them, Psathyrella pervelatoid, P. koreana, and P. utriformcystis are new to science. All collections cited here are deposited in the Herbarium Conservation Center of National Academy of Agricultural Sciences.
Keywords: New species; Psathyrella koreana; Psathyrella pervelatoid; Psathyrella utriformcystis.