''Douinia'' is a genus of

liverwort The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of g ...

s belonging to the family

Scapaniaceae Scapaniaceae is a family of liverworts in order Jungermanniales Jungermanniales is the largest order of liverworts. They are distinctive among the liverworts for having thin leaf-like flaps on either side of the stem. Most other liverworts ar ...

. The species of this genus are found in Eurasia and Northern America. The genus name of ''Douinia'' is in honour of

Charles Isidore Douin Charles Isidore Douin (1858 – 1944) was a French bryologist who was a native of Bouville, Eure-et-Loir. Biography He taught school in Chartres, and was the author of a highly regarded work on mosses and liverworts titled ''Nouvelle flore d ...

(1858 – 1944), who was a French bryologist who was a native of Bouville, Eure-et-Loir. The genus was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

by Christian Erasmus Otterstrøm Jensen in Commentat. Biol. Vol.3 (Issue 1) on page 13 in 1928.

Species

* '' Douinia imbricata'' (M.Howe) Konstant. & Vilnet * '' Douinia ovata'' (Dicks.) H.Buch * '' Douinia plicata'' (Lindb.) Konstant. & Vilnet

References

{{Taxonbar, from=Q13575051 Scapaniaceae Jungermanniales genera