Marasmius magnisporus
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Agaricales
- family: Marasmiaceae
- genus: Marasmius
- species: Marasmius magnisporus
Borough of Bronx
New YorkElizabethton
TennesseeSeattle
Washington
United States