Аннотация:Thirty species of lichenicolous fungi are reported, many being new to various regions of Russia. Melaspilea galligena sp. nov. growing on Pertusaria cf. cribellata is described from Russian Far East. A possibly new lichenicolous Toninia species (on Parmelina tiliacea) and a species of Arthonia (on Cladonia) with 1–2-septate ascospores resembling poorly known A. lepidophila are described, illustrated and discussed. Dactylospora suburceolata is reported new to Russia and Asia, growing on a new host species Mycobilimbia carneoalbida. Tremella cetrariicola is new to Siberia and Clypeococcum cetrariae is newly documented on Vulpicida.