Contains 11 accepted taxa overall.

Characteristics
Polygonum L.
KNOTWEED; SMARTWEED
Classification
Magnoliophyta - Flowering Plants
Magnoliopsida
Caryophyllidae
Polygonales
Polygonum
Citation
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TYPE: Polygonum aviculare Linnaeus, typ. cons.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Polygonum achoreum Beak-seeded knotweed; Leathery knotweed Native FAC (NWPL)
Polygonum aviculare subsp. aviculare Common knotweed; Yard knotweed Not Native FAC- (NWPL)
Polygonum aviculare subsp. buxiforme Boxwood knotweed; Prairie knotweed Native UPL (NWPL)
Polygonum aviculare subsp. depressum Oval-leaved knotweed Not Native
Polygonum aviculare subsp. neglectum Narrow-leaved knotweed Not Native
Polygonum aviculare subsp. rurivagum Narrow-leaved knotweed Not Native
Polygonum erectum Erect knotweed Native FACU (NWPL)
Polygonum hydropiperoides var. opelousanum Northeastern smartweed Native Threatened-State OBL (NWPL)
Polygonum ramosissimum Bushy knotweed Native FACU (NWPL)
Polygonum ramosissimum subsp. ramosissimum Bushy knotweed Native
Polygonum tenue Slender knotweed; Pleat-leaved knotweed Native UPL (NWPL)
Identification Key

No identification key is available for this family.

Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.