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Polygonum lapathifolium, Dock-leaved Smartweed
© Copyright Sheryl Pollock 2011 · 9
Polygonum lapathifolium, Dock-leaved Smartweed

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Polygonum amphibium, P. coccineum- Water Smartweed
© Copyright Sheryl Pollock 2011 · 9
Polygonum amphibium, P. coccineum- Water Smartweed
Polygonum ramosissimum var. prolificum Bushy Knotweed
© Copyright Sheryl Pollock 2011 · 9
Polygonum ramosissimum var. prolificum Bushy Knotweed

Polygonum lapathifolium
© John Pickering, 2004-2019 · 9
Polygonum lapathifolium
Polygonum persicaria, Ladys Thumb
© Copyright Sheryl Pollock 2011 · 8
Polygonum persicaria, Ladys Thumb

Polygonum hydropiperoides, Mild Water Pepper
© Copyright Sheryl Pollock 2011 · 8
Polygonum hydropiperoides, Mild Water Pepper
Polygonum lapathifolium
© John Pickering, 2004-2019 · 8
Polygonum lapathifolium

Polygonum arifolium, Halberd leaved Tearthumb
© Copyright Sheryl Pollock 2011 · 7
Polygonum arifolium, Halberd leaved Tearthumb
Polygonum lapathifolium
© John Pickering, 2004-2019 · 7
Polygonum lapathifolium

Polygonum amphibium
© Les Mehrhoff, 2008-2010 · 7
Polygonum amphibium
Polygonum lapathifolium
© John Pickering, 2004-2019 · 6
Polygonum lapathifolium

Polygonum arenastrum
© Copyright Bobby Hattaway 2011 · 5
Polygonum arenastrum
Polygonum arenastrum
© Copyright Bobby Hattaway 2011 · 5
Polygonum arenastrum

Polygonum arenastrum
© Copyright Bobby Hattaway 2011 · 5
Polygonum arenastrum
Polygonum arenastrum
© Copyright Bobby Hattaway 2011 · 5
Polygonum arenastrum

Hosts · map
FamilyScientific name @ source (records)
_  plant @ I_RTH (8)

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena nigrocaerulea @ AMNH_BEE (1)
Aphididae  Aphis ( @ CSUC_TCN (1)

Braggia eriogoni @ CSUC_TCN (1)

Macrosiphum ( @ AMNH_PBI (3)
Apidae  Bombus impatiens @ AMNH_BEE (3)

Trigona spinipes @ AMNH_BEE (2)
Cercopidae  Clastoptera xanthocephala @ MEMU_ENT (2)
Colletidae  Colletes speculiferus @ UCMS_ENT (1)
Coreidae  Leptoglossus phyllopus @ NCSU (1)
Dictyopharidae  Scolops sulcipes @ UDCC_NRI (3)
Halictidae  Augochlora pura @ AMNH_BEE (1)

Augochloropsis metallica @ AMNH_BEE (2)

Lasioglossum pilosum @ UCMS_ENT (1)
Miridae  Irbisia serrata @ AMNH_PBI (1)

Lygus lineolaris @ MEMU_ENT (3)

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Polygonum L.

Image of Polygonum

General Information
Symbol: POLYG4
Group: Dicot
Family: Polygonaceae
Growth Habit :  
Native Status : AK   I,I?,N
CAN   I,N,W?
GL   I,N
HI   I
L48   I,N,N?
PB   N
PR   N
VI   I
Data Source and Documentation
About our new maps
Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   


click on a thumbnail to view an image, or see all the Polygonum thumbnails at the Plants Gallery

Jennifer Anderson. United States, IA, Scott Co., Davenport, Nahant Marsh. 2001. Usage Requirements .

Jennifer Anderson. United States, IA, Scott Co., Davenport, Nahant Marsh. 2001. Usage Requirements .




Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
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

Subordinate Taxa

The Plants Database includes the following 83 species of Polygonum . Click below on a thumbnail map or name for species profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Polygonum achoreum</i>
S.F. Blake
Polygonum achoreum
leathery knotweed Distribution of <i>
Polygonum acuminatum</i>
Polygonum acuminatum
tapertip smartweed Distribution of <i>
Polygonum alpinum</i>
Polygonum alpinum
Alaska wild rhubarb Distribution of <i>
Polygonum amphibium</i>
Polygonum amphibium
water knotweed Distribution of <i>
Polygonum arenarium</i>
Waldst. & Kit.
Polygonum arenarium
European knotweed Distribution of <i>
Polygonum arenastrum</i>
Jord. ex Boreau
Polygonum arenastrum
oval-leaf knotweed Distribution of <i>
Polygonum argyrocoleon</i>
Steud. ex Kunze
Polygonum argyrocoleon
silversheath knotweed Distribution of <i>
Polygonum arifolium</i>
Polygonum arifolium
halberdleaf tearthumb Distribution of <i>
Polygonum aviculare</i>
Polygonum aviculare
prostrate knotweed Distribution of <i>
Polygonum baldschuanicum</i>
Polygonum baldschuanicum
Bukhara fleeceflower Distribution of <i>
Polygonum bellardii</i>
Polygonum bellardii
narrowleaf knotweed Distribution of <i>
Polygonum bidwelliae</i>
S. Watson
Polygonum bidwelliae
Bidwell's knotweed Distribution of <i>
Polygonum bistorta</i>
Polygonum bistorta
meadow bistort Distribution of <i>
Polygonum bistortoides</i>
Polygonum bistortoides
American bistort Distribution of <i>
Polygonum ×bohemicum</i>
(J. Chrtek & Chrtková) Zika & Jacobson [<i>
cuspidatum × sachalinense</i>
Polygonum ×bohemicum [ cuspidatum × sachalinense ]
Bohemian knotweed Distribution of <i>
Polygonum bolanderi</i>
W.H. Brewer
Polygonum bolanderi
Bolander's knotweed Distribution of <i>
Polygonum bungeanum</i>
Polygonum bungeanum
Bunge's smartweed Distribution of <i>
Polygonum buxiforme</i>
Polygonum buxiforme
box knotweed Distribution of <i>
Polygonum californicum</i>
Polygonum californicum
California knotweed Distribution of <i>
Polygonum campanulatum</i>
Hook. f.
Polygonum campanulatum
bellflower smartweed Distribution of <i>
Polygonum capitatum</i>
Buch.-Ham. ex D. Don
Polygonum capitatum
pinkhead smartweed Distribution of <i>
Polygonum careyi</i>
Polygonum careyi
Carey's smartweed Distribution of <i>
Polygonum cascadense</i>
W.H. Baker
Polygonum cascadense
Cascade knotweed Distribution of <i>
Polygonum caurianum</i>
B.L. Rob.
Polygonum caurianum
Alaska knotweed Distribution of <i>
Polygonum cespitosum</i>
Blume, nom. inq.
Polygonum cespitosum
Oriental lady's thumb Distribution of <i>
Polygonum chinense</i>
Polygonum chinense
Chinese knotweed Distribution of <i>
Polygonum cilinode</i>
Polygonum cilinode
fringed black bindweed Distribution of <i>
Polygonum convolvulus</i>
Polygonum convolvulus
black bindweed Distribution of <i>
Polygonum cuspidatum</i>
Siebold & Zucc.
Polygonum cuspidatum
Japanese knotweed Distribution of <i>
Polygonum davisiae</i>
W.H. Brewer ex A. Gray
Polygonum davisiae
Davis' knotweed Distribution of <i>
Polygonum douglasii</i>
Polygonum douglasii
Douglas' knotweed Distribution of <i>
Polygonum equisetiforme</i>
Polygonum equisetiforme
Distribution of <i>
Polygonum erectum</i>
Polygonum erectum
erect knotweed Distribution of <i>
Polygonum extremiorientale</i>
Polygonum extremiorientale
far-eastern smartweed Distribution of <i>
Polygonum fowleri</i>
B.L. Rob.
Polygonum fowleri
Fowler's knotweed Distribution of <i>
Polygonum glabrum</i>
Polygonum glabrum
denseflower knotweed Distribution of <i>
Polygonum glaucum</i>
Polygonum glaucum
seaside knotweed Distribution of <i>
Polygonum herniarioides</i>
Polygonum herniarioides
rupturewort Distribution of <i>
Polygonum heterosepalum</i>
M. Peck & Ownbey
Polygonum heterosepalum
oddsepal knotweed Distribution of <i>
Polygonum hickmanii</i>
H. Hinds & R. Morgan
Polygonum hickmanii
Hickman's knotweed Distribution of <i>
Polygonum hirsutum</i>
Polygonum hirsutum
hairy smartweed Distribution of <i>
Polygonum hispidum</i>
Polygonum hispidum
bristly smartweed Distribution of <i>
Polygonum hydropiper</i>
Polygonum hydropiper
marshpepper knotweed Distribution of <i>
Polygonum hydropiperoides</i>
Polygonum hydropiperoides
swamp smartweed Distribution of <i>
Polygonum kawagoeanum</i>
Polygonum kawagoeanum
smartweed Distribution of <i>
Polygonum lacerum</i>
Polygonum lacerum
fringed knotweed Distribution of <i>
Polygonum lapathifolium</i>
Polygonum lapathifolium
curlytop knotweed Distribution of <i>
Polygonum leptocarpum</i>
B.L. Rob.
Polygonum leptocarpum
narrowpoint knotweed Distribution of <i>
Polygonum marinense</i>
T.R. Mert. & P.H. Raven
Polygonum marinense
Marin knotweed Distribution of <i>
Polygonum meisnerianum</i>
Cham. & Schltdl.
Polygonum meisnerianum
branched tearthumb Distribution of <i>
Polygonum minimum</i>
S. Watson
Polygonum minimum
broadleaf knotweed Distribution of <i>
Polygonum minus</i>
Polygonum minus
pygmy smartweed Distribution of <i>
Polygonum multiflorum</i>
Polygonum multiflorum
tuber fleeceflower Distribution of <i>
Polygonum nepalense</i>
Polygonum nepalense
Nepalese smartweed Distribution of <i>
Polygonum orientale</i>
Polygonum orientale
kiss me over the garden gate Distribution of <i>
Polygonum oxyspermum</i>
C.A. Mey. & Bunge ex Ledeb.
Polygonum oxyspermum
knotweed Distribution of <i>
Polygonum paronychia</i>
Cham. & Schltdl.
Polygonum paronychia
beach knotweed Distribution of <i>
Polygonum paronychioides</i>
Small ex Rydb.
Polygonum paronychioides
knotweed Distribution of <i>
Polygonum parryi</i>
Polygonum parryi
Parry's knotweed Distribution of <i>
Polygonum patulum</i>
M. Bieb.
Polygonum patulum
Bellard's smartweed Distribution of <i>
Polygonum pensylvanicum</i>
Polygonum pensylvanicum
Pennsylvania smartweed Distribution of <i>
Polygonum perfoliatum</i>
Polygonum perfoliatum
Asiatic tearthumb Distribution of <i>
Polygonum persicaria</i>
Polygonum persicaria
spotted ladysthumb Distribution of <i>
Polygonum phytolaccifolium</i>
Meisn. ex Small
Polygonum phytolaccifolium
poke knotweed Distribution of <i>
Polygonum plebeium</i>
R. Br.
Polygonum plebeium
common knotweed Distribution of <i>
Polygonum polycnemoides</i>
Jaubert & Spach
Polygonum polycnemoides
manyleg knotweed Distribution of <i>
Polygonum polygaloides</i>
Wall. ex Meisn.
Polygonum polygaloides
milkwort knotweed Distribution of <i>
Polygonum polystachyum</i>
Wall. ex Meisn.
Polygonum polystachyum
cultivated knotweed Distribution of <i>
Polygonum punctatum</i>
Polygonum punctatum
dotted smartweed Distribution of <i>
Polygonum raii</i>
Polygonum raii
Ray's knotweed Distribution of <i>
Polygonum ramosissimum</i>
Polygonum ramosissimum
bushy knotweed Distribution of <i>
Polygonum robustius</i>
(Small) Fernald
Polygonum robustius
stout smartweed Distribution of <i>
Polygonum sachalinense</i>
F. Schmidt ex Maxim.
Polygonum sachalinense
giant knotweed Distribution of <i>
Polygonum sagittatum</i>
Polygonum sagittatum
arrowleaf tearthumb Distribution of <i>
Polygonum salicifolium</i>
Brouss. ex Willd.
Polygonum salicifolium
knotweed Distribution of <i>
Polygonum scandens</i>
Polygonum scandens
climbing false buckwheat Distribution of <i>
Polygonum segetum</i>
Polygonum segetum
field smartweed Distribution of <i>
Polygonum setaceum</i>
Polygonum setaceum
bog smartweed Distribution of <i>
Polygonum shastense</i>
W.H. Brewer
Polygonum shastense
Shasta knotweed Distribution of <i>
Polygonum striatulum</i>
B.L. Rob.
Polygonum striatulum
striped knotweed Distribution of <i>
Polygonum tenue</i>
Polygonum tenue
pleatleaf knotweed Distribution of <i>
Polygonum virginianum</i>
Polygonum virginianum
jumpseed Distribution of <i>
Polygonum viviparum</i>
Polygonum viviparum
alpine bistort Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend

Legal Status

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
CalPhotos (POLYG4)
Flora of North America (POLYG4)
Integrated Taxonomic Information System (POLYG4)
Jepson Interchange (University of California - Berkeley) (POLYG4)
USDA Forest Service Fire Effects Information System (POLYG4)



Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Gee Low
Martin Minor Minor Low
Yarrow Low Low


Source Large Mammals Small Mammals Water Birds Terrestrial Birds


Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American wildlife and plants: A guide to wildlife food habits . Dover Publications. New York.
Yarrow, G.K., and D.T. Yarrow. 1999. Managing wildlife . Sweet Water Press. Birmingham.
Gee, K.L., M.D. Porter, S. Demarais, F.C. Bryant, and G.V. Vreede. 1994. White-tailed deer: Their foods and management in the Cross Timbers . Ardmore.

Description of Values

Value Class Food Cover
High Average 25-50% of diet Regular source of cover
Low 5-10% of diet Infrequently used as cover
Minor 2-5% of diet Sparsely used as cover
Moderate Average 10-25% of diet Occasional source of cover

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