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Marin knotweed
44%
Polygonum marinense
Shasta knotweed
44%
Polygonum shastense
Blake's knotweed
42%
Polygonum achoreum
milkwort knotweed
42%
Polygonum polygaloides
bushy knotweed
42%
Polygonum ramosissimum
tall jointweed
42%
Polygonella gracilis
Chinese fleecevine
42%
Fallopia baldschuanica
fringed black bindweed
42%
Fallopia cilinodis
climbing false buckwheat
42%
Fallopia scandens
bog smartweed
42%
Persicaria setacea
Davis' knotweed
42%
Koenigia davisiae
erect knotweed
40%
Polygonum erectum
Fowler's knotweed
40%
Polygonum fowleri
broadleaf knotweed
40%
Polygonum minimum
pink smartweed
40%
Persicaria bicornis
denseflower knotweed
40%
Persicaria glabra
Largeflower jointweed
40%
Polygonella robusta
Sawatch knotweed
39%
Polygonum sawatchense
Cascade knotweed
38%
Polygonum cascadense
Austin's knotweed
37%
Polygonum austiniae
prostrate knotweed
37%
Polygonum aviculare
Douglas' knotweed
37%
Polygonum douglasii
Nuttall's knotweed
37%
Polygonum nuttallii
October flower
37%
Polygonella polygama
garden buckwheat
37%
Fagopyrum esculentum
pinkhead smartweed
37%
Persicaria capitata
kiss me over the garden gate
37%
Persicaria orientalis
dotted knotweed
37%
Persicaria punctata
stout smartweed
37%
Persicaria robustior
Alaska wild-rhubarb
37%
Koenigia alaskana
halberdleaf tearthumb
37%
Persicaria arifolia
hybrid Japanese knotweed
37%
Fallopia X bohemica
climbing false buckwheat
37%
Fallopia dumetorum
alpine bistort
37%
Bistorta vivipara
water smartweed
37%
Persicaria amphibia
Parry's knotweed
37%
Polygonum parryi
Carey's smartweed
37%
Persicaria careyi
wiry knotweed
34%
Polygonum majus
pleatleaf knotweed
34%
Polygonum tenue
pygmy smartweed
34%
Persicaria minor
Bidwell's knotweed
33%
Polygonum bidwelliae
beach knotweed
33%
Polygonum paronychia
water-pepper
33%
Persicaria hydropiper
Japanese knotweed
33%
Reynoutria japonica
arrowleaf tearthumb
33%
Persicaria sagittata
oriental lady's thumb
33%
Persicaria posumbu
spotted ladysthumb
33%
Persicaria maculosa
oriental lady's thumb
33%
Persicaria longiseta
sandlace
33%
Polygonum dentoceras
Utah penstemon
31%
Penstemon utahensis
Giant Knotweed
30%
Reynoutria sachalinensis
coastal jointweed
29%
Polygonella articulata
black bindweed
29%
Fallopia convolvulus
mild waterpepper
29%
Persicaria hydropiperoides
jumpseed
29%
Persicaria virginiana
Asiatic tearthumb
29%
Persicaria perfoliata
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