Authors
Oxana Cherednichenko
Department of Geobotany, Biological faculty, Lomonosov Moscow State University, Leninskye Gory, 1-12, 119234,, Moscow, Russian Federation
Valentina Borodulina
Department of Geobotany, Biological faculty, Lomonosov Moscow State University, Leninskye Gory, 1-12, 119234,, Moscow, Russian Federation