Hell all
it is
Lemna perpusilla Torr. Fl. N. Y. 2: 245, 1843; Sharma et al, Fl. Mah.
St. Monocot. 231, 1996.
Free floating small herb.

foloowing is the other species  of family lemnaceae with the
identification key

1. Plant root less................Wolffia
1. Plant rooting....................2
 2. Roots solitary.................Lemna
 2. Roots several.................Spirodella

thE following link shows teh difference between wolffia and ABOVE
aquatic species
http://www.tela-botanica.org/eflore/BDNFF/4.02/nn/72993/illustration

Regards
Satish Pardeshi

On Jul 15, 8:36 pm, tanay bose <[email protected]> wrote:
> *Azolla sp* is a dichotomously branched free floating aquatic fern is
> naturally available mostly on moist soils, ditches marshy ponds
>
> Tanay
>
> On Thu, Jul 15, 2010 at 7:45 PM, Prashant awale <[email protected]> wrote:
> > Dear Friends,
>
> > Water Cirstern at Avachitgad fort near Roha.
>
> > Date/Time: 21st July 2008 / 12:30PM.
>
> > regards
> > Prashant
>
> --
> Tanay Bose
> +91(033) 25550676 (Resi)
> 9830439691(Mobile)

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