Click here for photos of Polygonum aviculare.
Polygonum aviculare L.
Engl.: prostrate knotweed, knotgrass, knotweed.
Deu.: Vogelknöterich, Knotenwegerich, Wegtritt.
Sven.: trampört, trampgräs.
Suom.: pihatatar.
TCM: bian xu.
Classic texts: Rafinesque 1828-1830.
Vanhoja tekstejä: Suomen myrkylliset ja lääkekasvit, 1936.
Classic texts: Madaus 1938.
Classic texts: USDisp 1918.
Vanhoja tekstejä: Flora Fennica. Suomen Kasvio, 1866.
Classic texts: Cook 1869.
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