The lichens in the Red books of Ulyanovsk and Samara oblasts

Lichens of the region are of great scientific interest because of the florogenesis problems. Among the lichens of the area, along with a widespread species, there are unique species, which vegetation deserves serious study, and lichens themselves - public protection measures. Currently, the Red Books of Samara and Ulyanovsk oblasts recorded 39 and 27 are recommended for Named lichens, including endangered, rare and in need of protection lichens, including those located on the borders of areas, as well as the climatic relics of different periods floras.