Thomson's leafy moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Bryales
- family: Mniaceae
- genus: Mnium
- species: Mnium thomsonii
Ebensee- Losenstein
Upper Austria
Austria
Peachland
British Columbia- Niagara Falls
- Owen Sound
Ontario
Canada
Narsaq
Kujalleq
Greenland
Herkimer- Mohawk
- Niagara Falls
New York- Birchwood Lakes
Pennsylvania
United States