This volume deals with Mesostigmatophyceae, Zygnematophyceae, and Charophycae. A total of 58 genera, 813 species, and 1177 infraspecific taxa are dealt with. Also included supplemental materials for volumes 1 - 3 (109 genera and 216 species - 217 infraspecific taxa). For each of them nomenclature, basionym, main synonyms, as well as occurence and distribution in Ukraine with references to world distribution are given. Original drawings and microphotographs of new and some rare species or taxa are added.
This is the final volume of the monograph including also the bibliography to the complete 4-volume set.