TY JOUR TI CHAMAEPINNULARIA VYVERMANII (BACILLARIOPHYTA) – A NEW SPECIES FOR THE FLORA OF RUSSIA KW Chamaepinnularia vyvermanii KW diatoms KW electron microscopy KW microfitobentos KW morphology KW new record KW phytoplankton KW Pisanets Lake KW Republic Karelia JO Transactions of Papanin Institute for Biology of Inland Waters RAS AU Genkal, S.I. AU Komulaynen, S.F. PY 2023 IS 0 PB Papanin Institute for Biology of Inland Waters Russian Academy of Sciences