ManniaMannia is a genus of liverworts belonging to the family Aytoniaceae. It has a cosmopolitan distribution.SpeciesThe following species are recognised in the genus Mannia:Mannia androgyna A. EvansMannia californica L.C. WheelerMannia controversa D.B. SchillMannia fragrans Frye & L. ClarkMannia gracilis D.B. Schill & D.G. LongMannia hegewaldii Bischl.Mannia paradoxa R.M. Schust.Mannia perssonii Udar & V. ChandraMannia pilosa Frye & L. ClarkMannia sibirica Frye & L. ClarkMannia triandra Grolle