Amphidium californicum
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Orthotrichales
- family: Orthotrichaceae
- genus: Amphidium
- species: Amphidium californicum
Nanaimo
North Vancouver
Oak Bay
British Columbia
CanadaSacramento
CaliforniaSalem
OregonCathlamet
Friday Harbor
Snoqualmie
Washington
United States