Thelotrema is a genus of lichenized fungi in the family Graphidaceae, the family to which all taxa in the former Thelotremataceae now belong. Members of the Thelotrema genus are commonly called barnacle lichens.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0