Checklist » Polygonaceae » Polygonum
Last updated 5/2/2018.
Polygonum [FNA5, HC, HC2]
doorweed, knotweed, smartweed

Publication: Sp. Pl. 1: 359. 1753. Gen. Pl. ed. 5, 170. 1754.

Origin: Native

Notes:

References: (none)

Infraspecies:

ssp. aviculare [FNA5, HC2]
common knotweed, yard knotweed
ssp. buxiforme (Small) Costea & Tardif [FNA5, HC2]
American knotweed, prairie knotweed
ssp. depressum (Meisn.) Arcang. [FNA5, HC2]
common knotweed, oval-leaf knotweed
ssp. neglectum (Besser) Arcang. [FNA5, HC2]
narrow-leaf knotweed
ssp. fowleri [FNA5, HC2]
Fowler's knotweed
ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman [FNA5, HC2]
close-flowered knotweed
ssp. kelloggii (Greene) J.C. Hickman [FNA5, HC2]
white-margin knotweed
ssp. polygaloides [FNA5, HC2]
pokeweed fleeceflower, white-margined knotwee
ssp. prolificum (Small) Costea & Tardif [FNA5, HC2]
proliferous knotweed
ssp. ramosissimum [FNA5, HC2]
bushy knotweed
ssp. oblivium Costea & Tardif [FNA5, HC2]
sublime knotweed
ssp. sawatchense [FNA5, HC2]
Sawatch knotweed

Photo © 2019 Gerald D. Carr
(from WTU Image Collection)
Synonyms & Misapplied Names:
(none)
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