This paper presents the study under-taken for Pediastrum species in Tapti Pond Multai, District Betul (M.P.). A total 11 species of Pediastrum have been identified and recorded from Tapti pond in Multai. Pediastrum is a non-motile, coenobial green algae met with in ponds, ditches and plankton of fresh water lakes and ponds. It prefers still water and avoids flowing or running water. The coenobia are free-floating. The genus includes 30 species. The paper gives descriptions of the genus Pediastrum coenobia and physico-chemical conditions of the habitat. Pediastrum occur in the temperature zone in lower frequency in warm seasons.