Homalothecium arenarium
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Hypnales
- family: Brachytheciaceae
- genus: Homalothecium
- species: Homalothecium arenarium
North Saanich- Oak Bay
- Parksville
- Sooke
- Victoria
British Columbia
Canada
San Francisco- Soda Bay
California- Point Roberts
Washington
United States