To the study of the lichen biota of Broutona Island (Kuril Islands, Sakhalin Region, Russian Far East)

The paper contains the first data on the lichen biota of Broutona Island, one of the most inaccessible small islands of the Kuril Ridge. Information on the findings of 31 species of lichens first discovered on the island is presented. Among them, Peltigera venosa is a new species for the Sakhalin Region, Stereocaulon alpinum is new for the Kuril Islands, and Bryocaulon pseudosatoanum is listed in the Red Data Book of Russia and the Red Data Book of the Sakhalin Region. Information on the habitats of these species on Broutona Island, as well as their distribution in the Kurils and neighboring regions, is provided.