Potamogeton friesii Rupr. (familia Potamogetonaceae)
Рдест Фриса
Рдест Фриза
ru
Image of Potamogeton friesii specimen.
Заросли. Архангельская обл., Вельский р-н, окр. пос. Усть-Шоноша, р. Вель. 20.07.2011.
Gennadiy Okatov © 2011; taxon identified by Vladimir Papchenkov
Shooting place: Усть-Шоноша (view at maps of Google, OpenStreetMap, Yandex)
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