This is a list of the fungus species in the genus Mycena.
Many are plant pathogens.
As of 1 September 2023[update], the GBIF lists up to 1,431 species,[1] while Species Fungorum lists about 1,340 species (out of 1,954 records).
[2] Around 600 species are accepted by Wijayawardene et al.
[3] This list of name, authority and dates is based on the Species Fungorum list.