Distribution data on T. citrum, a terricolous lichen with large ascospores, are insufficient. There is a single published record from sandy alluvia in the valley of Studená Vltava river in the Šumava Mts.
Literature: Malíček J., Palice Z. & Vondrák J. (2014): New lichen records and rediscoveries from the Czech Republic and Slovakia. – Herzogia 27: 257–284.taxonomic classification: most frequented synonyms:Thelocarpon vicinellum
All records: 1, confirmed 1. One click on a selected square displays particular record(s), including their source(s).