Northeastern Asian Flora
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Potamogeton alpinus Balb.  
Family: Potamogetonaceae
[Buccaferrea rufescens (Schrad.) Bubani, morePotamogeton alpinonatans F.W.Schultz, Potamogeton alpinus subsp. tenuifolius (Raf.) Hult?n, Potamogeton alpinus var. angustifolius Baguet, Potamogeton alpinus var. faxonii Stevens, Potamogeton alpinus var. obscurus (DC.) Baguet, Potamogeton alpinus var. subellipticus (Fernald) Ogden, Potamogeton alpinus var. tenuifolius (Raf.) Ogden, Potamogeton annulatus Bellardi, Potamogeton caricifolius Wolfg., Potamogeton casparii Weyl, Potamogeton microstachys Wolfg., Potamogeton microstachys var. subellipticus Fernald, Potamogeton nigrescens Fr., Potamogeton obrutus Wood, Potamogeton obscurus DC., Potamogeton obtusus Ducros ex Gaudin, Potamogeton purpurascens Seidl ex J.Presl & C.Presl, Potamogeton rigidus Wolfg., Potamogeton rufescens , Potamogeton rufescens subsp. nigrescens (Fr.) Nyman, Potamogeton rufescens subsp. rigidus (Wolfg.) K.Richt., Potamogeton semipellucidus W.D.J.Koch & Ziz, Potamogeton stylatus Hagstr., Potamogeton tenuifolius Raf., Potamogeton tenuifolius var. subellipticus Fernald, Potamogeton thomasii A.Benn.]
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  • Japan Flora
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Japan Flora: Stems simple or slightly branched; floating leaves spathulate or oblanceolate, sometimes not developed, obtuse, gradually narrowed to the base, many­nerved, the lower submersed leaves sessile, the upper short- petiolate, narrowly lanceolate, narrowed toward the base, 7-nerved, obtuse to acute; peduncles 5-20 cm. long; spikes 2.5- 4 cm. long; nutlets obovate, with 3 dorsal ridges; style short.

Reported from Hokkaido. Cooler regions of the N. Hemisphere.

Potamogeton alpinus
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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