Groenlandia densa (L.) Fourr. [ Potamogeton densus L.]
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Groenlandia densa (L.) Fourr. [ Potamogeton densus L.] [Potamogetonaceae]
G.C. Oeder, Fl. Dan., vol. 8 fasicle 22, : t. 1264 (1806-1810)