Marasmiellus is a genus of fungi in the family Marasmiaceae. The widespread genus, circumscribed by American mycologist William Murrill in 1915, contains about 250 species.The name comes from the Greek marasmus meaning wasting.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0