Mycena leaiana
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Agaricales
- family: Mycenaceae
- genus: Mycena
- species: Mycena leaiana
Châteauguay
Quebec
CanadaForest Park
Glencoe
River Forest
IllinoisAlstead
New HampshireRingwood
New JerseyNewfane
Vermont
United States