Epiphytic lichens that live on Chosenia arbutifolia in the Republic of Buryatia

Lichens on Chosenia arbutifolia in Buryat Republic are discussed. Chosenia has ber-ingian areal in Siberia, Far East of Russia, China, Korea and Japan. 76 lichen species are reported. Structure and acidity of the bark, as well as the availability of microhabitats, such as old-growth trees with non-peeled bark, the most important factors contributing to lichen diversity on Chosenia.