TY JOUR TI POLYPLOIDY OF NORTH EAST ASIA AQUATIC AND SEMIAQUATIC VASCULAR PLANTS KW aquatic vascular plants KW chromosomal races KW polyploidy KW ploidy levels KW North-East Asia KW Russia JO Transactions of Papanin Institute for Biology of Inland Waters RAS AU Andriyanova, E.A. AU Mochalova, O.A. PY 2021 IS 0 PB Papanin Institute for Biology of Inland Waters Russian Academy of Sciences