Trichoglossum is a genus of fungi in the family Geoglossaceae. They are commonly called hairy earth tongues. The type species is Trichoglossum hirsutum.

Geoglossaceae is a family of fungi in the order Geoglossales, class Geoglossomycetes. These fungi are broadly known as earth tongues. The ascocarps of most species in the family Geoglossaceae are terr