Four lichen species new for Russia

Abstract

Four lichen species, Biatora chrysanthoides collected from Kostroma Region, Gyalidea minuta from Nizhnii Novgorod Region and Polyblastia borealis and Thelocarpon saxicola from Murmansk Region, are reported for the first time for Russia. Comments on their habitats, substrates, key anatomical features and world distribution are provided for each species.