Marasmius sullivantii
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Agaricales
- family: Marasmiaceae
- genus: Marasmius
- species: Marasmius sullivantii
Mont-Royal- Saint-Laurent
Quebec
Canada
Palos Park
Illinois- Porter
Indiana- Hyde Park
New York
United States