Information about the natural population of Viola incisa on Pokoiniki Cape (Irkutsk region, North-Western coast of Lake Baikal, Baikal-Lensky reserve) is provided. It is a species listed in the Red Books of the Russian Federation and the Irkutsk region. The location, area, biotope, number of recorded plants, abundance, flowering and fruiting, morphological characteristics of live specimens in detail described. The geobotanical description of the community with the participation of V. incisa is given. Original evidences of hybrid origin V. incisa are presented. The article is illustrated with colour photographs.