Affiliation:
1. Lomonosov Moscow State University, Moscow, Russia
Abstract
Euastrum is one of the most important genus of desmids, have been selected as widely represented in the flora of the water bodies of Europe. The algal samples were collected from different localities of ten regions of European part of Russia. Cells of 50 species of Euastrum was examined in scanning electron microscope. Cell wall of the Euastrum have some specific pits, which are called scrobicles. Its size, shape and quantity vary from species to species. Out of more than 250 species Euastrum, described 73 taxa for which the preference for acidity of the environment, biotopic confinement, and distribution over Europe and other continents are known. The dictionary of the most used terms is given.