Nymphaea tetragona

Nymphaea tetragona Georgi, Bemerk. Reise Russ. Reich. 1: 220 1775. (Syn: Castalia acutiloba (DC.) Hand.-Mazz.; Castalia crassifolia Hand.-Mazz.; Castalia pygmaea (W.T.Aiton) Salisb.; Castalia rudgeana Tratt.; Castalia tetragona (Georgi) G.Lawson; Leuconymphaea tetragona (Georgi) Kuntze; Nymphaea acutiloba DC.; Nymphaea alba subsp. tetragona (Georgi) Korsh.; Nymphaea crassifolia (Hand.-Mazz.) Nakai; Nymphaea fennica Mela; Nymphaea japono-koreana Nakai; Nymphaea pygmaea W.T.Aiton; Nymphaea tetragona var. angusta Casp. ex Nakai; Nymphaea tetragona var. crassifolia (Hand.-Mazz.) Chu; Nymphaea tetragona var. minima (Nakai) W.Lee);
Pygmy Water Lily; 
India: Kashmir and Meghalaya (1200 – 1800 m); Finland, Eastern Siberia, China, Japan and N. America as per BSI flora of India;
Finland, Latvia, Lithuania, N- & C-European Russia, Belarus, Siberia
(W-Siberia, C-Siberia, E-Siberia), Russian Far East, Taiwan, Kazakhstan, China,
North Korea, South Korea, Japan (Hokkaido, Honshu, Shikoku, Kyushu), Ryukyu Isl.
(introduced), Vietnam, Mongolia, Myanmar [Burma], India (Meghalaya), Jammu &
Kashmir (Kashmir), Alaska, USA (Idaho, Montana, Rhode Island, Washington State),
Canada (Alberta, British Columbia, Manitoba, Northern Territories, Saskatchewan,
Yukon) as per Catalogue of Life;
 

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