Polygonaceae
Persicaria
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Persicaria amphibia ssp. laevimarginata (Hultén) Soják
= Persicaria amphibia var. stipulacea
(Coleman) Hara
= Polygonum amphibium var. stipulaceum
Coleman
= Polygonum natans
(Michx.) D.C.Eaton
erect water smartweed
Native
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Persicaria arifolia (L.) Haraldson
= Polygonum arifolium var. pubescens
(Keller) Fern.
halberdleaf tearthumb
Native
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Persicaria careyi (Olney) Greene
= Polygonum careyi
Olney
Carey's smartweed
Native
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Persicaria coccinea (Muhl. ex Willd.) Greene
= Persicaria amphibia var. emersa
(Michx.) Hickman
= Polygonum amphibium var. emersum
Michx.
= Polygonum coccineum
Muhl. ex Willd.
scarlet smartweed
Native
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Persicaria extremiorientalis (Vorosch.) Tzvelev
Far East smartweed
Introduced
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Persicaria filiformis (Thunb.) Nakai
= Persicaria virginiana var. filiformis
(Thunb.) J.M.H.Shaw
= Tovara filiformis
(Thunb.) Nakai
Asian jumpseed
Introduced
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Persicaria hydropiper (L.) Opiz
= Polygonum hydropiper
L.
waterpepper smartweed, water pepper
Introduced
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Persicaria hydropiperoides (Michx.) Small
= Polygonum hydropiperoides
Michx.
= Polygonum hydropiperoides var. opelousanum
(Ridd. ex Small) Ridd. ex W.Stone
false waterpepper smartweed, false water pepper, mild water pepper
Native
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Persicaria lapathifolia (L.) S.F.Gray
= Polygonum lapathifolium var. salicifolium
Sibthorp
= Polygonum scabrum
Moench
dock-leaved smartweed, nodding smartweed, willowweed smartweed
Native
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Persicaria longiseta (Bruijn) Kitagawa
= Polygonum caespitosum var. longisetum
(Bruijn) A.N.Steward
Chinese smartweed, Oriental lady's thumb, bristly lady's thumb
Introduced
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Persicaria maculosa S.F.Gray
= Persicaria maculosa
(L.) S.F. Gray
= Polygonum dubium
Stein
= Polygonum persicaria
L.
= Polygonum persicaria var. ruderale
(Salisb.) Meisner
lady's thumb smartweed, spotted lady's thumb
Introduced
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Persicaria pensylvanica (L.) G.Maza
Pennsylvania smartweed
Native
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Persicaria perfoliata (L.) H.Gross
= Ampelygonum perfoliatum
(L.) Roberty & Vautier
Asiatic tearthumb, mile-a-minute
Invasive
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Persicaria punctata (Ell.) Small
= Polygonum punctatum
Ell.
= Polygonum punctatum var. confertiflorum
(Meisner) Fassett
= Polygonum punctatum var. leptostachyum
(Meisner) Small
= Polygonum punctatum var. parvum
Victorin & Rouss.
dotted smartweed
Native
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Persicaria puritanorum (Fern.) Soják
= Polygonum puritanorum
Fern.
pondshore smartweed
Native
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Special Concern
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Persicaria robustior (Small) Bicknell
= Polygonum punctatum var. majus
(Meisner) Fassett
= Polygonum robustius
(Small) Fern.
stout dotted smartweed, coarse dotted smartweed
Native
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Persicaria sagittata (L.) H.Gross
= Polygonum sagittatum
L.
arrowleaf tearthumb
Native
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Persicaria virginiana (L.) Gaertner
= Antenoron virginianum
(L.) Roberty & Vautier
= Tovara virginiana
(L.) Raf.
jumpseed, Virginia smartweed
Native
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Persicaria wallichii Greuter & Burdet
= Polygonum polystachyum
Wallich ex Meisner
= Reynoutria polystachya
(Wallich ex Meisner) Moldenke
Himalayan knotweed, garden smartweed
Introduced
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