A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
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Polygonaceae » Polygonum aviculare ssp. aviculare
Polygonum aviculare L. ssp. aviculare[FNA5, HC2]
common knotweed, yard knotweed
Publication: Sp. Pl. 1: 362. 1753.
Origin: Introduced from Eurasia
Herbarium search: CPNWH
Last updated 2/14/2024 by David Giblin.
Synonyms & Misapplied Names:
Polygonum aviculare L. ssp. heterophyllum Asch. & Graebn.
Polygonum aviculare L. ssp. maximum (Lindm.) Asch. & Graebn.
Polygonum aviculare L. ssp. monspeliense (Thiéb.-Bern. ex Pers.) Arcang.
Polygonum aviculare L. var. vegetum Ledeb.
Polygonum heterophyllum Lindm.
Polygonum monspeliense Thiéb.-Bern. ex Pers.
