TY JOUR TI VASCULAR PLANTS OF THE VALLEYS OF THE KEMA AND UNZHA RIVERS (VOLOGDA REGION, RUSSIA) KW JO Transactions of Papanin Institute for Biology of Inland Waters RAS AU Levashov, A.N. AU Romanovskiy, A.Y. AU Filippov, D.A. PY 2021 IS 0 PB Papanin Institute for Biology of Inland Waters Russian Academy of Sciences