Hypogymnia occidentalis
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Parmeliaceae
- genus: Hypogymnia
- species: Hypogymnia occidentalis
Chilliwack- Kamloops
British Columbia
Canada
Bellingham- Friday Harbor
- Shelton
Washington
United States