Thelotrema

Thelotrema
Thelotrema lepadinum
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: Graphidales
Family: Graphidaceae
Genus: Thelotrema
Ach. (1803)
Type species
Thelotrema lepadinum
(Ach.) Ach. (1803)

Thelotrema is a genus of lichen-forming fungi in the family Graphidaceae, the family to which all taxa in the former Thelotremataceae now belong.

Members of the genus Thelotrema are commonly called barnacle lichens.