Porella roellii
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Porellales
- family: Porellaceae
- genus: Porella
- species: Porella roellii
Duncan- Hope
- Maple Ridge
- North Saanich
- Sooke
- Ucluelet
- Vancouver
- Victoria
British Columbia
Canada
Fairfax- Felton
- Ross
- San Anselmo
California- Canyonville
- Corvallis
- Portland
Oregon
United States