This is a very narrow leaved *Potamogeton* species. I'm afraid i don't know which one.
Alastair http://www.facebook.com/PlantDiversity On Tuesday, 24 April 2012 15:58:05 UTC+1, Nidhan Singh wrote: > > Dear All, > > This hydrophytic plant in fruits was captured from Yamuna river on April > 02, 2012. Id please.. > > -- > Regards, > > Dr. Nidhan Singh > Department of Botany > I.B. (PG) College > Panipat-132103 Haryana > Ph.: 09416371227 > >