Anita & Jyoti Kumar*
Department of Botany, Ranchi University, Ranchi, Jharkhand, India
Received 3rd January, 2010; Revised 28th February, 2010
Abstract : The present study reveals that Hydrilla, Pistia,etc. are the much larger species having 100% frequency . It is found that highest density and abundance was shown by Hydrilla and Pistia followed by Nymphaea, Eichhornia, etc.