XVI International Scientific Conference of Diatomologists, Dedicated to the 90<sup>th</sup> Anniversary of Z.I. Glezer (19–24 August 2019, Zvenigorod, Moscow Region)
XVI International scientific conference of diatomologists “Diatoms: morphology, taxonomy, biogeography, ecology, palaeogeography, biostratigraphy” dedicated to the 90th Z.I. Glezer’s anniversary took place at August 19–24, 2019 in Moscow Region at S.N. Skadovskiy Zvenigorod Biological Station (ZBS) of M.V. Lomonosov Moscow State University (MSU). Thirty six leading researches, students and graduate students from 22 research and higher education institutions from 4 countries took part in the work of the conference. There were 5 subject sections: “Morphology, systematics and biology of diatoms”, “Biodiversity and floras of diatoms”, “Biotechnology and cultivation of diatoms”, “Ecology of diatoms and bioindication” and “Paleontology and biostratigraphy”.