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. buxiforme
Last updated 2/14/2024 by David Giblin.
Polygonum aviculare L. ssp. buxiforme (Small) Costea & Tardif[FNA5, HC2]
American knotweed, prairie knotweed
Publication: Sida. 20: 988. 2003.
Origin: Introduced from eastern North America
selected vouchers: WTU
Notes: FNA5: "Although apparently it has a North American origin, subsp. buxiforme is considered part of the Polygonum aviculare complex because it intergrades with subsp. aviculare (M. Costea and F. J. Tardif 2003)."
References: (none)
Synonyms & Misapplied Names:
Polygonum aviculare L. var. littorale (Link) Mert.
Polygonum buxiforme Small[ILBC4, KZ99]
Polygonum littorale Link
