Porella platyphylloidea
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Porellales
- family: Porellaceae
- genus: Porella
- species: Porella platyphylloidea
- La Tuque
- Saint-Léonard
- Waterloo
Quebec
Canada- Hot Springs National Park
Arkansas- Marianna
Florida- Bloomington
- Corydon
- Richmond
- Tri-Lakes
Indiana- Irvine
Kentucky- Auburn
- Bristol
- Farmington
- Hebron
- Lewiston
Maine- Ann Arbor
Michigan- Natchez
- Pearlington
Mississippi- Creve Coeur
- Frontenac
- Hermitage
- Osceola
Missouri- Balfour
- Boone
- Hendersonville
- Sparta
- Winston-Salem
North Carolina- Columbus
- Hillsboro
- Springfield
Ohio- Jay
Oklahoma- Media
- Philadelphia
- State College
Pennsylvania- Providence
Rhode Island- Dayton
Tennessee- Bull Run Mountain Estates
- Fairfax
- Marion
Virginia- Washington, D. C.
Washington, D.C.
United States