Sviridenko, T., B. Sviridenko, A. Efremov, and Y. Murashko. “First Findings of <em>Spirogyra daedalea</em>, <em>S. dictyospora</em> and <em>S. rugulosa</Em&gt; (Zygnematales) on the West Siberian Plain”. Biological Communications, no. 2, June 2016, pp. 100–106, doi:10.21638/11701/spbu03.2016.207.