The most important lichen communities ofthe Vosges (NE-France), the Pfalzer Wald and the Nordpfälzer Bergland (SW-Germany) are mentioned and characterized on a site and phytosociological basis. Many rare and sporadic occurring lichens are listed and their sites outlined. Approximately 20 species were found in France for the first time, many are reported as new to the Vosges and a few to the Pfalz. A parasitic Lecidea, Lecidea vezdai, is described as new. Literature regarding the lichen flora ofthe investigated area is listed