Proposals in the Red book of Russia: the lichens Lasallia pensylvanica (Hoffm.) Llano, Lecanora crustacea (Savicz) Zahlbr. and Aspicilia transbaicalica Oxner

Currently work has begun on a new edition of the Red book of Russia. First of all, in the Red Book of Russia should be listed lichens, the growth of which indicates the main stages of flora historical development (including the lichen flora) and vegetation of Russia and Eurasia. Such are, among others, are Lasallia pensylvanica (Hoffm.) Llano, Lecanora crustacean (Savicz) Zahlbr., Aspicilia transbaicalica Oxner. These species have broad disjunctive areas, covering Asia, the Urals ( L. pensylvanica the Caucasus, North America and West Greenland), are found in Eastern Europe, only in the regions not exposed to direct effects of the Quaternary glaciations. L. pensylvanica and L. crustacea - are relics of the flora of the early - middle Pliocene, and A. transbaicalica - late Pleistocene.