Five species of Mycenella (Agaricales) appear to occur in the Netherlands, viz. M. bryophila, M. margaritispora, M. rubropunctata spec, nov., M. salicina and M. trachyspora comb. nov. A key to and descriptions and illustrations of these species are given. Moreover the following new combinations are introduced: Mycenella bryophila var. caesia, Mycenella nodulosa and Xerula kuehneri.