Radula tenax
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Porellales
- family: Radulaceae
- genus: Radula
- species: Radula tenax
Ucluelet
British Columbia
Canada
Branford- Branford Center
Connecticut- Dayton
Tennessee- Brandon
- Middlebury
- West Rutland
Vermont- Marion
Virginia- Boulevard Park
- Riverton
Washington
United States