acute ragged moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Hypnales
- family: Brachytheciaceae
- genus: Brachythecium
- species: Brachythecium acutum
St. Albert
Alberta- Niagara Falls
Ontario- Beloeil
- Mont-Saint-Hilaire
- Montréal
Quebec- Regina
Saskatchewan
Canada
Hot Springs- Hot Springs National Park
Arkansas- Oakland
- Sacramento
California- New Haven
Connecticut- Boothbay Harbor
- Buckfield
Maine- Columbia Falls
- Helena
Montana- Alpine
- Closter
- Demarest
- Harrington Park
- Norwood
New Jersey- Lancaster
- Northwest Harborcreek
- Wesleyville
Pennsylvania
United States