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hybrid Japanese knotweed
56%
Fallopia X bohemica
prostrate knotweed
50%
Polygonum aviculare
climbing false buckwheat
47%
Fallopia scandens
Bidwell's knotweed
44%
Polygonum bidwelliae
pink smartweed
44%
Persicaria bicornis
Austin's knotweed
43%
Polygonum austiniae
Douglas' knotweed
43%
Polygonum douglasii
Marin knotweed
43%
Polygonum marinense
Nuttall's knotweed
43%
Polygonum nuttallii
milkwort knotweed
43%
Polygonum polygaloides
Shasta knotweed
43%
Polygonum shastense
October flower
43%
Polygonella polygama
garden buckwheat
43%
Fagopyrum esculentum
kiss me over the garden gate
43%
Persicaria orientalis
dotted knotweed
43%
Persicaria punctata
stout smartweed
43%
Persicaria robustior
Davis' knotweed
43%
Aconogonon davisiae
halberdleaf tearthumb
43%
Persicaria arifolia
climbing false buckwheat
43%
Fallopia dumetorum
alpine bistort
43%
Bistorta vivipara
water smartweed
43%
Persicaria amphibia
Blake's knotweed
41%
Polygonum achoreum
bushy knotweed
41%
Polygonum ramosissimum
tall jointweed
41%
Polygonella gracilis
Bolander's phacelia
41%
Phacelia bolanderi
Chinese fleecevine
41%
Fallopia baldschuanica
fringed black bindweed
41%
Fallopia cilinodis
bog smartweed
41%
Persicaria setacea
Cascade knotweed
39%
Polygonum cascadense
beach knotweed
39%
Polygonum paronychia
water-pepper
39%
Persicaria hydropiper
Japanese knotweed
39%
Fallopia japonica
arrowleaf tearthumb
39%
Persicaria sagittata
oriental lady's thumb
39%
Persicaria posumbu
spotted ladysthumb
39%
Persicaria maculosa
oriental lady's thumb
39%
Persicaria longiseta
sandlace
39%
Polygonum dentoceras
erect knotweed
38%
Polygonum erectum
Fowler's knotweed
38%
Polygonum fowleri
broadleaf knotweed
38%
Polygonum minimum
Bolander's ragwort
38%
Packera bolanderi
denseflower knotweed
38%
Persicaria glabra
Largeflower jointweed
38%
Polygonum nesomii
Parry's knotweed
36%
Polygonum parryi
Carey's smartweed
36%
Persicaria careyi
American bistort
35%
Bistorta bistortoides
coastal jointweed
35%
Polygonella articulata
Bolander's yampah
35%
Perideridia bolanderi
black bindweed
35%
Fallopia convolvulus
swamp smartweed
35%
Persicaria hydropiperoides
jumpseed
35%
Persicaria virginiana
Sawatch knotweed
35%
Polygonum sawatchense
Asiatic tearthumb
35%
Persicaria perfoliata
wiry knotweed
33%
Polygonum majus
pleatleaf knotweed
33%
Polygonum tenue
pygmy smartweed
33%
Persicaria minor
Persian knotweed
31%
Polygonum argyrocoleon
California knotweed
31%
Polygonum californicum
Howell's bluegrass
31%
Poa howellii
Giant Knotweed
31%
Fallopia sachalinensis
Himalayan knotweed
31%
Persicaria wallichii
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