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Classification
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Classification for Kingdom Plantae Down to Genus Polygonum L.

Click on names to expand them, and on P for PLANTS profiles.

 
Up to the Kingdom
Kingdom  Plantae – Plants
Subkingdom  Tracheobionta – Vascular plants
Superdivision  Spermatophyta – Seed plants
Division  Magnoliophyta – Flowering plants
Class  Magnoliopsida – Dicotyledons
Subclass  Caryophyllidae
Order  Polygonales
Family  Polygonaceae – Buckwheat family
Genus  Polygonum L. – knotweed P
 
Contains 80 Species and 106 accepted taxa overall
 
Down one level
 
Species  Polygonum achoreum S.F. Blake – leathery knotweed P
Species  Polygonum acuminatum Kunth – tapertip smartweed P
Species  Polygonum alpinum All. – Alaska wild rhubarb P
Species  Polygonum amphibium L. – water knotweed P
Variety  Polygonum amphibium L. var. emersum Michx. – longroot smartweed P
Variety  Polygonum amphibium L. var. stipulaceum Coleman – water smartweed P
Species  Polygonum arenarium Waldst. & Kit. – European knotweed P
Species  Polygonum arenastrum Jord. ex Boreau – oval-leaf knotweed P
Species  Polygonum argyrocoleon Steud. ex Kunze – silversheath knotweed P
Species  Polygonum arifolium L. – halberdleaf tearthumb P
Species  Polygonum aviculare L. – prostrate knotweed P
Species  Polygonum baldschuanicum Regel – Bukhara fleeceflower P
Species  Polygonum bellardii All. – narrowleaf knotweed P
Species  Polygonum bidwelliae S. Watson – Bidwell's knotweed P
Species  Polygonum bistorta L. – meadow bistort P
Variety  Polygonum bistorta L. var. bistorta – meadow bistort P
Variety  Polygonum bistorta L. var. plumosum (Small) B. Boivin – meadow bistort P
Species  Polygonum bistortoides Pursh – American bistort P
Species  Polygonum ×bohemicum (J. Chrtek & Chrtková) Zika & Jacobson – Bohemian knotweed P
Species  Polygonum bolanderi W.H. Brewer – Bolander's knotweed P
Species  Polygonum bungeanum Turcz. – Bunge's smartweed P
Species  Polygonum buxiforme Small – box knotweed P
Species  Polygonum californicum Meisn. – California knotweed P
Species  Polygonum campanulatum Hook. f. – bellflower smartweed P
Species  Polygonum capitatum Buch.-Ham. ex D. Don – pinkhead smartweed P
Species  Polygonum careyi Olney – Carey's smartweed P
Species  Polygonum cascadense W.H. Baker – Cascade knotweed P
Species  Polygonum caurianum B.L. Rob. – Alaska knotweed P
Species  Polygonum cespitosum Blume, nom. inq. – Oriental lady's thumb P
Variety  Polygonum cespitosum Blume var. cespitosum – Oriental lady's thumb P
Variety  Polygonum cespitosum Blume var. longisetum (Bruijn) A.N. Steward – Oriental lady's thumb P
Species  Polygonum chinense L. – Chinese knotweed P
Species  Polygonum cilinode Michx. – fringed black bindweed P
Species  Polygonum convolvulus L. – black bindweed P
Variety  Polygonum convolvulus L. var. convolvulus – black bindweed P
Variety  Polygonum convolvulus L. var. subulatum Lej. & Court. – black bindweed P
Species  Polygonum cuspidatum Siebold & Zucc. – Japanese knotweed P
Species  Polygonum davisiae W.H. Brewer ex A. Gray – Davis' knotweed P
Species  Polygonum douglasii Greene – Douglas' knotweed P
Subspecies  Polygonum douglasii Greene ssp. austiniae (Greene) A.E. Murray – Austin knotweed P
Subspecies  Polygonum douglasii Greene ssp. douglasii – Douglas' knotweed P
Subspecies  Polygonum douglasii Greene ssp. engelmannii (Greene) Kartesz & Gandhi – Engelmann's knotweed P
Subspecies  Polygonum douglasii Greene ssp. johnstonii (Munz) J.C. Hickman – Johnston's knotweed P
Subspecies  Polygonum douglasii Greene ssp. majus (Meisn.) J.C. Hickman – large knotweed P
Subspecies  Polygonum douglasii Greene ssp. nuttallii (Small) J.C. Hickman – Nuttall's knotweed P
Subspecies  Polygonum douglasii Greene ssp. spergulariiforme (Meisn. ex Small) J.C. Hickman – scatter knotweed P
Species  Polygonum equisetiforme Sm. P
Species  Polygonum erectum L. – erect knotweed P
Species  Polygonum fowleri B.L. Rob. – Fowler's knotweed P
Subspecies  Polygonum fowleri B.L. Rob. ssp. fowleri – Fowler knotweed P
Subspecies  Polygonum fowleri B.L. Rob. ssp. hudsonianum (S.J. Wolf & McNeill) Costea & Tardif – Fowler's knotweed P
Species  Polygonum glabrum Willd. – denseflower knotweed P
Species  Polygonum glaucum Nutt. – seaside knotweed P
Species  Polygonum herniarioides Delile – rupturewort P
Species  Polygonum heterosepalum M. Peck & Ownbey – oddsepal knotweed P
Species  Polygonum hickmanii H. Hinds & R. Morgan – Hickman's knotweed P
Species  Polygonum hirsutum Walter – hairy smartweed P
Species  Polygonum hydropiper L. – marshpepper knotweed P
Species  Polygonum hydropiperoides Michx. – swamp smartweed P
Species  Polygonum lacerum Kunth – fringed knotweed P
Species  Polygonum lapathifolium L. – curlytop knotweed P
Species  Polygonum leptocarpum B.L. Rob. – narrowpoint knotweed P
Species  Polygonum marinense T.R. Mert. & P.H. Raven – Marin knotweed P
Species  Polygonum meisnerianum Cham. & Schltdl. – branched tearthumb P
Variety  Polygonum meisnerianum Cham. & Schltdl. var. beyrichianum (Cham. & Schltdl.) Meisn. – branched tearthumb P
Species  Polygonum minimum S. Watson – broadleaf knotweed P
Species  Polygonum minus Huds. – pygmy smartweed P
Species  Polygonum multiflorum Thunb. – tuber fleeceflower P
Species  Polygonum nepalense Meisn. – Nepalese smartweed P
Species  Polygonum orientale L. – kiss me over the garden gate P
Species  Polygonum oxyspermum C.A. Mey. & Bunge ex Ledeb. – knotweed P
Species  Polygonum paronychia Cham. & Schltdl. – beach knotweed P
Species  Polygonum paronychioides Small ex Rydb. – knotweed P
Species  Polygonum parryi Greene – Parry's knotweed P
Species  Polygonum patulum M. Bieb. – Bellard's smartweed P
Species  Polygonum pensylvanicum L. – Pennsylvania smartweed P
Species  Polygonum perfoliatum L. – Asiatic tearthumb P
Species  Polygonum persicaria L. – spotted ladysthumb P
Species  Polygonum phytolaccifolium Meisn. ex Small – poke knotweed P
Species  Polygonum plebeium R. Br. – common knotweed P
Species  Polygonum polycnemoides Jaubert & Spach – manyleg knotweed P
Variety  Polygonum polycnemoides Jaubert & Spach var. oliveri Jaubert & Spach [excluded] P
Species  Polygonum polygaloides Wall. ex Meisn. – milkwort knotweed P
Subspecies  Polygonum polygaloides Wall. ex Meisn. ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman – fruitleaf knotweed P
Subspecies  Polygonum polygaloides Wall. ex Meisn. ssp. esotericum (L.C. Wheeler) J.C. Hickman – whitemargin knotweed P
Subspecies  Polygonum polygaloides Wall. ex Meisn. ssp. kelloggii (Greene) J.C. Hickman – Kellogg's knotweed P
Subspecies  Polygonum polygaloides Wall. ex Meisn. ssp. polygaloides – milkwort knotweed P
Species  Polygonum polystachyum Wall. ex Meisn. – cultivated knotweed P
Species  Polygonum punctatum Elliott – dotted smartweed P
Variety  Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett – dotted smartweed P
Variety  Polygonum punctatum Elliott var. punctatum – dotted smartweed P
Species  Polygonum raii Bab. – Ray's knotweed P
Species  Polygonum ramosissimum Michx. – bushy knotweed P
Variety  Polygonum ramosissimum Michx. var. prolificum Small – bushy knotweed P
Variety  Polygonum ramosissimum Michx. var. ramosissimum – bushy knotweed P
Species  Polygonum robustius (Small) Fernald – stout smartweed P
Species  Polygonum sachalinense F. Schmidt ex Maxim. – giant knotweed P
Species  Polygonum sagittatum L. – arrowleaf tearthumb P
Species  Polygonum salicifolium Brouss. ex Willd. – knotweed P
Species  Polygonum scandens L. – climbing false buckwheat P
Variety  Polygonum scandens L. var. cristatum (Engelm. & A. Gray) Gleason – climbing false buckwheat P
Variety  Polygonum scandens L. var. dumetorum (L.) Gleason – climbing false buckwheat P
Variety  Polygonum scandens L. var. scandens – climbing false buckwheat P
Species  Polygonum segetum Kunth – field smartweed P
Species  Polygonum setaceum Baldw. – bog smartweed P
Species  Polygonum shastense W.H. Brewer – Shasta knotweed P
Species  Polygonum striatulum B.L. Rob. – striped knotweed P
Species  Polygonum tenue Michx. – pleatleaf knotweed P
Species  Polygonum virginianum L. – jumpseed P
Species  Polygonum viviparum L. – alpine bistort P

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