Henningsomyces is a genus of fungi in the family Marasmiaceae.
Based on the small, tubular structure of its sporulating body it is called a cyphelloid fungi.
The genus name of Grovesia is in honour of Paul Christoph Hennings (1841–1908), who was a German mycologist and herbarium curator.
[2] The genus was circumscribed by Carl Ernst Otto Kuntze in Revis.
As of June 2015[update], Index Fungorum lists 10 species in Henningsomyces:[3]