The publication is dedicated to the memory of the outstanding scientist-algolog - L.N. Voloshko. She started her research and teaching career at the Astrakhan Institute of Fisheries (now Astrakhan State Technical University). Since 1989 in Leningrad she worked at the Institute of Evolutionary Physiology and Biochemistry I.M. Sechenov of the Russian Academy of Sciences (IEFB RAS), and then at the Department of Microbiology of Leningrad State University (now St. Petersburg State University). Since 2006, L.N. Voloshko has been invited to work at the Botanical Institute. V.L. Komarov RAS where he worked until the last days of his life. L.N. Voloshko was a member of the editorial board of the Astrakhan Journal of Environmental Education and a regular author of this magazine