Grolleaceae is a monotypic family of liverworts belonging to the order Jungermanniales.

The family consists of only one genus, Grollea R.M.Schust..[1] It has only one known species Grollea antheliopsis R.M.Schust.

from South America.

[2][3] The genus name of Grollea is in honour of Riclef Grolle (Riclef Hans-Heinrich Grolle) (1934-2004), who was a German botanist (Bryology), plant researcher at the University of Jena.

[4] The genus was circumscribed by Rudolf Mathias Schuster in Nova Hedwigia vol.8 on page 288 in 1964.