Polygonum.—Water Pepper.
Classic texts: King's 1898.
Polygonum hydropiper L.
Engl.: marshpepper knotweed, water-pepper, knotweed, redleaf, smartweed.
Deu.: Wasserpfeffer.
Sven.: bitterpilört, bitterblad, bitterknäa, jungfrutvål, vattenpeppar, vattensåpa.
Suom.: katkeratatar.
Ital.: pepe d'acqua.
Bot. syn.: Persicaria hydropiper (L.) Spach.
Classic texts: King's 1898.
Classic texts: Elizabeth Blackwell, 1737 (Vol. 1), 1739 (Vol. 2).
Classic texts: Salmon 1710.
Classic texts: John Hill 1812.
Vanhoja tekstejä: Suomen myrkylliset ja lääkekasvit, 1936.
Classic texts: King's 1898.
Classic texts: Madaus 1938.
Classic texts: Journals: TNEMA 1882-1883.
Classic texts: USDisp 1918.
Classic texts: King's 1898.
Classic texts: King's 1898.
Classic texts: King's 1898.
Classic texts: Journals: AJP 1885.
Classic texts: Journals: AJP 1871.
Vanhoja tekstejä: Flora Fennica. Suomen Kasvio, 1866.
Classic texts: Cook 1869.
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