Contribution to the desmids of Sitapur, U.P.

The present communication deals with morphotaxonomic enumeration of 35 taxa of desmids collected from different localities situated in and around of Sitapur District during 2002–03. Notes on forms showing slightly variations in their morphological attributes have also been given. All these taxa have been recorded for the first time from this part of the state The tollowing genera of the desmids were represented - Closterium (12), Pleurotaenium (1), Euastrum (1), Cosmarium (19), Arthrodesmus (I), Staurastrum (I).