crenulated flapwort
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Jungermanniales
- family: Jungermanniaceae
- genus: Jungermannia
- species: Jungermannia gracillima
Ebensee
Losenstein
Upper Austria
Austria
Martelange
Wallonia
Belgium- France
Dasburg
Rheinland-Pfalz
Germany
Roche
England
United Kingdom
Auburn
Alabama
Eureka
Myrtletown
California
Gainesville
Georgia
Canton
Illinois
Ocean Springs
Mississippi
Highlands
New Jersey
Washington, D. C.
Washington, D.C.
United States
Ucluelet
Cherbourg-Octeville
Rättvik