Douinia is a genus of liverworts belonging to the family Scapaniaceae.

[1] The species of this genus are found in Eurasia and Northern America.

[1] The genus name of Douinia is in honour of Charles Isidore Douin (1858 – 1944), who was a French bryologist who was a native of Bouville, Eure-et-Loir.

[2] The genus was circumscribed by Christian Erasmus Otterstrøm Jensen in Commentat.

Vol.3 (Issue 1) on page 13 in 1928.