Habitation conditions and distribution of the genus Menegazzia A. Massal. in the southern part of the Sakhalin island

In this article habitation conditions of rare species of lichens of the genus Menegazzia and their distribution in the southern part of the Sakhalin Island are discussed including geobotanical descriptions of habitats, main associated species of lichens, calculated values of sensitivity and IAP indexes for these lichens.