Radula obconica
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Porellales
- family: Radulaceae
- genus: Radula
- species: Radula obconica
Kent- New Haven
- North Haven
- Oxford
- Watertown
Connecticut- Thomasville
Georgia- Clinton
Louisiana- Sheffield
Massachusetts- Sparta
North Carolina- Urbana
Ohio- Birchwood Lakes
Pennsylvania- Dayton
Tennessee- Marion
Virginia- Washington, D. C.
Washington, D.C.
United States