Persicaria hydropiper (L.) Delarbre [ Polygonum hydropiper L.]
      
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6 770860 Persicaria hydropiper (L.) Delarbre [125 822648 Polygonum hydropiper L.] Polygonaceae
G.C. Oeder, Fl. Dan., vol. 17 fasicle 50, : t. 2957 (1877-1883)