Piper's shield moss
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Buxbaumiales
- family: Buxbaumiaceae
- genus: Buxbaumia
- species: Buxbaumia piperi
Lions Bay- Revelstoke
British Columbia- Baie-Comeau
Quebec
Canada
Columbia Falls
Montana- Clackamas
Oregon- North Bend
- Seattle
- Snoqualmie
- White Salmon
Washington
United States