Shakhmatov, Andrei, Evgeniy Pavlovskiy, and Alexander Paukov. “Desmid Algae (Charophyta: Conjugatophyceae) of Ekaterinburg, Middle Urals, Russia”. Folia Cryptogamica Estonica 55 (May 29, 2018): 7-15. Accessed May 20, 2019. http://ojs.utlib.ee/index.php/FCE/article/view/fce.2018.55.02.