Marasmius do Parque Estadual das Fontes do Ipiranga, São Paulo, SP, Brasil: seções Globulares, Hygrometrici, Marasmius e Neosessiles

Eight species of Marasmius belonging to sections Globulares, Hygrometrici, Marasmius and Neosessiles are reported from the Parque Estadual das Fontes do Ipiranga (PEFI). Description, illustrations and remarks are presented for each taxon, besides an identification key. Marasmius puttemansii and M. vigintifolius are cited for the first time for PEFI; M. graminum and M. variabiliceps are cited for the first time for Sao Paulo state and M. griseoroseus and M. thwaitesii for the first time for Brazil.