Salvinia natans

Salvinia natans All., Fl. Pedem. 2: 289 289 1785. (syn: Marsilea natans L. ; Marsilea patens J.F.Gmel.; Marsilea salvinioides Neck. ; Salvinia europaea Desv. ; Salvinia sprengelii Corda ; Salvinia verticillata Roxb. ; Salvinia vulgaris Rupr. ; Trichomanes villosulum Wall.);

Temp. Eurasia to Indo-China, Jawa: Afghanistan, Algeria, Altay, Amur, Assam, Baltic States, Bangladesh, Belarus, Bulgaria, China North-Central, China South-Central, China Southeast, Czechoslovakia, East European Russia, East Himalaya, Germany, Greece, Hainan, Hungary, India, Inner Mongolia, Iran, Iraq, Italy, Japan, Jawa, Kazakhstan, Khabarovsk, Korea, Krym, Lebanon-Syria, Manchuria, Nansei-shoto, Nepal, Netherlands, North Caucasus, Northwest European R, Pakistan, Palestine, Poland, Primorye, Qinghai, Romania, South China Sea, Spain, Taiwan, Thailand, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, Uzbekistan, Vietnam, West Himalaya, West Siberia, Xinjiang, Yugoslavia; Extinct in: Belgium, France, Switzerland; Introduced into: Austria, Cuba, Jamaica, Massachusetts, New York as per POWO;
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Salvinia natans?:
Seen this Floating aquatic herb at “Dal Lake” Srinagar.

I think this is Salvinia natans?. Pl. validate the ID..
Family: Salviniaceae
Date/Time: 24-09-2011 / 08:00AM
Location: Dal Lake, Srinagar

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Yes

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Yes Salvinia natans

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References:
POWO