%0 Journal Article %T MORPHOLOGICAL VARIABILITY OF SOME WIDESPREAD AND RARE SPECIES OF THE GENUS NAVICULA (BACILLARIOPHYTA) %A Genkal, S.I. %A Goskova, S.M. %K Kilmez River (Udmurtia), phytobenthos, Bacillariophyta, Navicula, morphology, electron microscopy %J Transactions of Papanin Institute for Biology of Inland Waters RAS %D 2026 %N %P 6 %I Papanin Institute for Biology of Inland Waters Russian Academy of Sciences