Robert W. Freckmann Herbarium

Search Results:     Genus: Polygonum  


List for printing without synonyms and photos.
Checklist from Wisconsin State Herbarium
Click on taxon for details including: Photos ( * ), Distribution Maps ( + ), Ethnobotany and Google Search.
      Family Polygonaceae (click for list of genera only)  
            Fagopyrum esculentum Moench * +
              buckwheat, fagopyrum
                 Fagopyrum fagopyrum (L.) H.Karst.
                 Fagopyrum sagittatum Gilib.
                 Fagopyrum vulgare Hill
                 Polygonum fagopyrum L.
Image of Fagopyrum esculentum Moench
            Fallopia X bohemica (Chrtek & Chrtkova) J.P.Bailey * +
              Bohemian knotweed, hybrid knotweed
                 (PARENTS =Fallopia japonica (Houtt.) Ronse Decr. X F. sachalinensis (F.W.Schmidt ex Maxim.) Nakai
                 Polygonum X bohemicum (Chrtek & Chrtková) P.F. Zita & A.L. Jacobson
Image of Fallopia X bohemica (Chrtek & Chrtkova) J.P.Bailey
            Fallopia cilinodis (Michx.) Holub * +
              black-fringe bindweed, fringed bindweed
                 Bilderdykia cilinodis (Michx.) Greene
                 Bilderdykia cilinodis (Michx.) Greene var. laevigata (Fernald) C.F.Reed
                 Polygonum cilinode (Michx.) Holub
                 Polygonum cilinode Michx. f. erectum (Peck) Fernald
                 Polygonum cilinode Michx. var. erectum Peck
                 Polygonum cilinode Michx. var. laevigatum Fernald
                 Reynoutria cilinodis (Michx.) Shinners
                 Tiniaria cilinodis (Michx.) Small
Image of Fallopia cilinodis (Michx.) Holub
            Fallopia convolvulus (L.) A.Löve * +
              black-bindweed, false buckwheat
                 Bilderdykia convolvulus (L.) Dumort.
                 Polygonum convolvulus L.
                 Polygonum convolvulus L. var. convolvulus
                 Reynoutria convolvulus (L.) Shinners
                 Tiniaria convolvulus (L.) Webb. & Moq.
Image of Fallopia convolvulus (L.) A.Löve
            Fallopia dumetorum (L.) Holub
              [Excluded] climbing false buckwheat
                 Bilderdykia dumetorum (L.) Dumort.
                 Polygonum dumetorum L.
                 Polygonum scandens L. var. dumetorum (L.) Gleason
                 Reynoutria scandens (L.) Shinners var. dumetorum (L.) Shinners
                 Tiniaria dumetorum (L.) Opiz
            Fallopia japonica (Houtt.) Ronse Decr. var. japonica * +
                 Pleuropterus cuspidatus (Siebold & Zucc.) H.Gross
                 Pleuropterus zuccarinii (Small) Small
                 Polygonum cuspidatum Siebold & Zucc.
                 Polygonum cuspidatum Siebold & Zucc. var. compactum (Hook.f.) L.H.Bailey
                 Polygonum zuccarinii Small
                 Reynoutria japonica Houtt.
                 Tiniaria japonica (Houtt.) Hedberg
Image of Fallopia japonica (Houtt.) Ronse Decr. var. japonica
            Fallopia sachalinensis (F.W.Schmidt ex Maxim.) Nakai * +
              giant knotweed
                 Pleuropterus sachalinensis (F.W.Schmidt ex Maxim.) H.Gross
                 Polygonum sachalinense F.W.Schmidt ex Maxim.
                 Reynoutria sachalinensis (F.W.Schmidt ex Maxim.) Nakai
                 Tiniaria sachalinensis (F.W.Schmidt ex Maxim.) Janch.
Image of Fallopia sachalinensis (F.W.Schmidt ex Maxim.) Nakai
            Fallopia scandens (L.) Holub * +
              climbing false buckwheat
                 Bilderdykia cristata (Engelm. & A.Gray) Greene
                 Bilderdykia scandens (L.) Greene
                 Bilderdykia scandens (L.) Greene var. cristata (Engelm. & A.Gray) C.F.Reed
                 Polygonum cristatum Engelm. & A.Gray
                 Polygonum dumetorum L. var. scandens (L.) A.Gray
                 Polygonum scandens L.
                 Polygonum scandens L. var. cristatum (Engelm. & A.Gray) Gleason
                 Polygonum scandens L. var. scandens
                 Reynoutria scandens (L.) Shinners
                 Reynoutria scandens (L.) Shinners var. cristata (Engelm. & A.Gray) Shinners
                 Tiniaria cristata (Engelm. & A.Gray) Small
                 Tiniaria scandens (L.) Small
Image of Fallopia scandens (L.) Holub
            Persicaria amphibia (L.) S.F.Gray * +
              water heart's-ease, water smartweed
                 Persicaria amphibia (L.) S.F.Gray var. emersa (Michx.) Hickman
                 Persicaria amphibia (L.) S.F.Gray var. stipulacea (N.Coleman) Hara
                 Persicaria coccinea (Muhl.) Greene
                 Persicaria mesochora Greene
                 Persicaria muhlenbergii (S.Watson) Small
                 Persicaria nebraskensis Greene
                 Persicaria pratincola Greene
                 Polygonum amphibium L.
                 Polygonum amphibium L. f. hirtuosum Farw.
                 Polygonum amphibium L. f. terrestre (Willd.) S.F.Blake
                 Polygonum amphibium L. subsp.laevimarginatum Hultén
                 Polygonum amphibium L. var. amphibium
                 Polygonum amphibium L. var. coccineum (Muhl. ex Willd.) Farw.
                 Polygonum amphibium L. var. emersum Michx.
                 Polygonum amphibium L. var. hartwrightii (A.Gray) Bissell
                 Polygonum amphibium L. var. stipulaceum N.Coleman
                 Polygonum amphibium L. var. stipulaceum N.Coleman f. fluitans (Eaton) Fernald
                 Polygonum amphibium L. var. stipulaceum N.Coleman f. hirtuosum (Farw.) Fernald
                 Polygonum amphibium L. var. stipulaceum N.Coleman f. simile Fernald
                 Polygonum amphibium L. var. terrestre Willd.
                 Polygonum coccineum Muhl. ex Willd.
                 Polygonum coccineum Muhl. ex Willd. f. natans (Wiegand) Stanford
                 Polygonum coccineum Muhl. ex Willd. f. terrestre (Willd.) Stanford
                 Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford
                 Polygonum coccineum Muhl. ex Willd. var. rigidulum (E.Sheld.) Stanford
                 Polygonum coccineum Muhl. ex Willd. var. terrestre Willd.
                 Polygonum fluitans Eaton
                 Polygonum hartwrightii A.Gray
                 Polygonum inundatum Raf.
                 Polygonum muhlenbergii S.Watson
                 Polygonum muhlenbergii S.Watson f. natans Wiegand
                 Polygonum muhlenbergii S.Watson var. terrestre (Willd.) Trel.
                 Polygonum natans Eaton
                 Polygonum natans Eaton f. genuinum Stanford
                 Polygonum natans Eaton f. hartwrightii (A.Gray) Stanford
                 Polygonum natans Eaton f. natans
                 Polygonum rigidulum E.Sheld.
                 Polygonum terrestre (Willd.) Britton, Sterns & Poggenb.
Image of Persicaria amphibia (L.) S.F.Gray
            Persicaria arifolia (L.) Haraldson * +
              halberd-leaved tear-thumb
                 Polygonum arifolium L.
                 Polygonum arifolium L. var. lentiforme Fernald & Griscom
                 Polygonum arifolium L. var. pubescens (R.Keller) Fernald
                 Polygonum sagittatum L. var. pubescens Keller
                 Tracaulon arifolium (L.) Raf.
Image of Persicaria arifolia (L.) Haraldson
            Persicaria careyi (Olney) Greene * +
              Carey's heart's-ease, Carey's smartweed
                 Polygonum careyi Olney
Image of Persicaria careyi (Olney) Greene
            Persicaria hydropiper (L.) Spach * +
              marsh-pepper knotweed, water-pepper
                 Polygonum hydropiper L.
                 Polygonum hydropiper L. var. projectum Stanford
Image of Persicaria hydropiper (L.) Spach
            Persicaria hydropiper (L.) Spach X P. punctatum (Elliott) Small +
                 Polygonum hydropiper L. X P. punctatum Elliott
            Persicaria hydropiperoides (Michx.) Small * +
              false water-pepper, mild water-pepper, swamp smartweed
                 Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fernald) C.F.Reed
                 Persicaria hydropiperoides (Michx.) Small var. euronotora (Fernald) C.F.Reed
                 Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell) J.S.Wilson
                 Persicaria opelousana (Riddell ex Small) Small
                 Persicaria paludicola Small
                 Persicaria persicarioides (Kunth) Small
                 Polygonum hydropiperoides Michx.
                 Polygonum hydropiperoides Michx. f. strigosum (Small) Stanford
                 Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason
                 Polygonum hydropiperoides Michx. var. asperifolium Stanford
                 Polygonum hydropiperoides Michx. var. breviciliatum Fernald
                 Polygonum hydropiperoides Michx. var. bushianum Stanford
                 Polygonum hydropiperoides Michx. var. digitatum Fernald
                 Polygonum hydropiperoides Michx. var. euronotorum Fernald
                 Polygonum hydropiperoides Michx. var. hydropiperoides
                 Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) W.Stone
                 Polygonum hydropiperoides Michx. var. psilostachyum H.St.John
                 Polygonum hydropiperoides Michx. var. strigosum Small
                 Polygonum opelousanum Riddell ex Small
                 Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford
                 Polygonum persicarioides Kunth
Image of Persicaria hydropiperoides (Michx.) Small
            Persicaria lapathifolia (L.) S.F.Gray * +
              curly-top knotweed, dock-leaved smartweed, heart's-ease
                 Persicaria incarnata (Elliott) Small
                 Persicaria tomentosa (Schrank) E.P.Bicknell
                 Polygonum incarnatum Elliott
                 Polygonum incanum F.W.Schmidt
                 Polygonum lapathifolium L.
                 Polygonum lapathifolium L. subsp. pallidum (With.) Fr.
                 Polygonum lapathifolium L. var. incanum (F.W.Schmidt) W.D.J.Koch
                 Polygonum lapathifolium L. var. lapathifolium
                 Polygonum lapathifolium L. var. nodosum (Pers.) Small
                 Polygonum lapathifolium L. var. ovatum A.Braun
                 Polygonum lapathifolium L. var. prostratum Wimm.
                 Polygonum lapathifolium L. var. salicifolium Sibth.
                 Polygonum nodosum Pers.
                 Polygonum oneillii Brenckle
                 Polygonum pallidum With.
                 Polygonum pensylvanicum L. subsp. oneillii (Brenckle) Hultén
                 Polygonum scabrum Moench
                 Polygonum tomentosum Schrank
Image of Persicaria lapathifolia (L.) S.F.Gray
            Persicaria longiseta (Bruyn) Moldenke * +
              Oriental lady's-thumb
                 Polygonum cespitosum Blume var. longisetum (Bruyn) Stewart
                 Polygonum longisetum Bruyn
Image of Persicaria longiseta (Bruyn) Moldenke
            Persicaria maculosa Gray * +
              heart's-ease, spotted lady's-thumb
                 Persicaria maculata (Raf.) S.F.Gray
                 Persicaria persicaria (L.) Small
                 Persicaria ruderalis (Salisb.) C.F.Reed
                 Persicaria ruderalis (Salisb.) C.F.Reed var. vulgaris (Webb & Moq.) C.F.Reed
                 Persicaria vulgaris Webb & Moq.
                 Polygonum dubium Stein
                 Polygonum fusiforme Greene
                 Polygonum minus auct. non Huds.
                 Polygonum minus Huds. var. subcontinuum (Meisn.) Fernald
                 Polygonum persicaria L.
                 Polygonum persicaria L. var. angustifolium Beckh.
                 Polygonum persicaria L. var. ruderale (Salisb.) Meisn.
                 Polygonum puritanorum Fernald
                 Polygonum ruderale Salisb.
                 Polygonum strictum Meisn. var. subcontinuum Meisn.
Image of Persicaria maculosa Gray
            Persicaria orientalis (L.) Spach * +
              kiss-me-over-the-garden-gate, prince's-feather
                 Polygonum orientale L.
                 Polygonum spaethii Dammer
Image of Persicaria orientalis (L.) Spach
            Persicaria pensylvanica (L.) M.Gómez * +
              Pennsylvania knotweed, Pennsylvania smartweed, pinkweed
                 Persicaria bicornis (Raf.) Nieuwl.
                 Persicaria longistyla (Small) Small
                 Persicaria mississippiensis (Stanford) Small
                 Persicaria pensylvanica (L.) M.Gómez var. dura (Stanford) C.F.Reed
                 Polygonum bicorne Raf.
                 Polygonum longistylum Small
                 Polygonum longistylum Small var. omissum (Greene) Stanford
                 Polygonum mexicanum auct. non Small
                 Polygonum mississippiense Stanford
                 Polygonum mississippiense Stanford var. interius Stanford
                 Polygonum omissum Greene
                 Polygonum pensylvanica L.
                 Polygonum pensylvanicum L. var. durum Stanford
                 Polygonum pensylvanicum L. var. eglandulosum J.C.Myers
                 Polygonum pensylvanicum L. var. genuinum Fernald
                 Polygonum pensylvanicum L. var. laevigatum Fernald
                 Polygonum pensylvanicum L. var. laevigatum Fernald f. albineum Farw.
                 Polygonum pensylvanicum L. var. laevigatum Fernald f. pallescens Stanford
                 Polygonum pensylvanicum L. var. rosaeflorum Norton
Image of Persicaria pensylvanica (L.) M.Gómez
            Persicaria punctata (Elliott) Small * +
              dotted smartweed
                 Persicaria punctata (Elliott) Small var. eciliata Small
                 Persicaria punctata (Elliott) Small var. leptostachya (Meisn.) Small
                 Polygonum acre Kunth
                 Polygonum acre Kunth var. confertiflorum Meisn.
                 Polygonum acre Kunth var. leptostachyum Meisn.
                 Polygonum antihaemorrhoidale Mart. aquatile Mart.
                 Polygonum punctatum Elliott
                 Polygonum punctatum Elliott var. aquatile (Mart.) Fernald
                 Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett
                 Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett f. longicollum Fassett
                 Polygonum punctatum Elliott var. ellipticum Fassett
                 Polygonum punctatum Elliott var. leptostachyum (Meisn.) Small
                 Polygonum punctatum Elliott var. littorale Fassett
                 Polygonum punctatum Elliott var. parviflorum Fassett
                 Polygonum punctatum Elliott var. parvum Vict. & J.Rousseau
                 Polygonum punctatum Elliott var. punctatum
Image of Persicaria punctata (Elliott) Small
            Persicaria sagittata (L.) H.Gross * +
              arrow-leaved tear-thumb
                 Polygonum sagittatum L.
                 Polygonum sagittatum L. var. gracilentum Fernald
                 Tracaulon sagittatum (L.) Small
                 Tracaulon sagittatum (L.) Small var. gracilentum (Fernald) C.F.Reed
                 Truellum sagittatum (L.) Soják
Image of Persicaria sagittata (L.) H.Gross
            Persicaria virginiana (L.) Gaertn. * +
              jumpseed, woodland knotweed
                 Antenoron virginianum (L.) Roberty & Vautier
                 Polygonum virginianum L
                 Polygonum virginianum L. var. glaberrimum (Fernald) Steyerm.
                 Tovara virginiana (L.) Raf.
                 Tovara virginiana (L.) Raf. var. glaberrima Fernald
Image of Persicaria virginiana (L.) Gaertn.
            Polygonella articulata (L.) Meisn. * +
              coastal joint-weed
                 Delopyrum articulatum (L.) Small
                 Polygonum articulatum L.
Image of Polygonella articulata (L.) Meisn.
            Polygonum L. *
              fleece-flower, knotweed, smartweed (DISTRIBUTION MAP GALLERY of SPECIES)
            Polygonum achoreum S.F.Blake * +
              beak-seeded knotweed, leathery knotweed
                 Polygonum erectum L. subsp. achoreum (S.F.Blake) A.Löve & D.Löve
Image of Polygonum achoreum S.F.Blake
            Polygonum aviculare L. * +
              common knotweed, prostrate knotweed
                 (for list of synonyms - see the varieties)
Image of Polygonum aviculare L.
            Polygonum aviculare L. subsp. aviculare +
              common knotweed, prostrate knotweed
                 Polygonum aviculare L. var. vegetum Ledeb.
                 Polygonum heterophyllum Lindm.
                 Polygonum monspeliense Pers.
            Polygonum aviculare L. subsp. buxiforme (Small) Costea & Tardif * +
              box knotweed, boxwood knotweed
                 Polygonum aviculare L. var. crassifolium Lange
                 Polygonum aviculare L. var. littorale (Link) Mert.
                 Polygonum buxiforme Small
                 Polygonum littorale Link
Image of Polygonum aviculare L. subsp. buxiforme (Small) Costea & Tardif
            Polygonum aviculare L. subsp. depressum (Meisn.) Arcang. * +
              door-yard knotweed, oval-leaved knotweed
                 Polygonum aequale Lindm.
                 Polygonum arenastrum Boreau
                 Polygonum aviculare L. var. arenastrum (Boreau) Rouy
                 Polygonum montereyense Brenckle
Image of Polygonum aviculare L. subsp. depressum (Meisn.) Arcang.
            Polygonum bellardii All.
              [Excluded] narrow-leaved knotweed
                 Polygonum aviculare L. var. angustissimum Meisn.
                 Polygonum neglectum Besser
                 Polygonum provinciale K.Koch
                 Polygonum rurivagum Jord. ex Boreau
            Polygonum erectum L. * +
              erect knotweed
                 Polygonum aviculare L. var. erectum (L.) Roth ex Meisn.
Image of Polygonum erectum L.
            Polygonum fowleri B.L.Rob.
              [Excluded] Fowler's knotweed
                 Polygonum buxifolium Nutt. ex Bong.
            Polygonum ramosissimum Michx. subsp. ramosissimum * +
              bushy knotweed
                 Polygonum allocarpum S.F.Blake
                 Polygonum atlanticum (B.L.Rob.) E.P.Bicknell
                 Polygonum autumnale Brenckle
                 Polygonum exsertum Small
                 Polygonum interius Brenckle
                 Polygonum ramosissimum Michx.
                 Polygonum ramosissimum Michx. f. atlanticum B.L.Rob.
                 Polygonum ramosissimum Michx. var. ramosissimum
                 Polygonum triangulum E.P.Bicknell
Image of Polygonum ramosissimum Michx. subsp. ramosissimum
            Polygonum tenue Michx. * +
              pleat-leaf knotweed, slender knotweed
                 Polygonum tenue Michx. var. tenue
Image of Polygonum tenue Michx.


         
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