Records of a total of 91 taxa are reported, among these 51 lichens, 39 lichenicolous fungi and one lichen-allied fungus. Diplotomma parasiticum, Inoderma subabietinum, Lepraria sylvicola, Lichenochora aprica, L. collematum, Lichenoconium aeruginosum, Rhagadostoma collematum and Taeniolella trapeliopseos are new to Germany. Bactrospora corticola, Calicium notarisii and Lecidea diducens, thought to be lost throughout Germany, were rediscovered. Arthonia mediella, Micarea tomentosa, Parmotrema pseudoreticulatum as well as the lichenicolous fungi Abrothallus caerulescens, Cercidospora macrospora, Chaenothecopsis debilis, Cladosporium licheniphilum, Corynespora laevistipitata, Phaeospora lecanorae, Phoma peltigerae, Taeniolella cladinicola and Xenonectriella physciacearum are recorded for northern Germany for the first time. For Schleswig-Holstein 51 species are added to the lichen flora, 21 previously extinct taxa were rediscovered. Twenty-two taxa are new to Mecklenburg-Western Pomerania. Key words: Germany, lichen diversity.