Discovery of a natural hybrid between Bruchia vogesiaca Schwägr. and Trematodon ambiguus (Hedw.) Hornsch. (Musci, Bruchiaceae)

A newly discovered natural hybrid Bruchia vogesiaca × Trematodon ambiguus is reported here. The sporophytic hybrid plants were recently found from a locality in the Vosges Mountains, France, growing together in a mixed stand with both sporophytic parent species. This hybrid represents the second known report of a hybrid within the Bruchiaceae.