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0 0 Pennsylvania Smartweed

Pennsylvania Smartweed

by daynaIndiana

0 0 Pennsylvania Smartweed

Pennsylvania Smartweed

by MattStephensonIowa, USA

Herbaceous wetland

2 1 Smart weed

Smart weed

by LuisStevensGuanajuato, Mexico

Small pink flowers.

0 0 Jumpseed

Jumpseed

by ScottRasmussenMassachusetts, USA

0 0 Bistort

Bistort

by matt.ribarichColorado, USA

0 0 Redshank

Redshank

by Travis MorseColorado, USA

1 0 Smartweed

Smartweed

by SusanWadkowskiLouisiana, USA

0 0 Knotweed

Knotweed

Michigan, USA

0 0 Laksa Leaf

Laksa Leaf

by Jonathan HiewSingapore

0 0 Swamp Smartweed

Swamp Smartweed

by MattStephensonIowa, USA

White flower narrow leaf

0 0 Slender Knotweed

Slender Knotweed

by ScottRasmussenMassachusetts, USA

Polygonum tenue is becoming rare in ...

0 0 Polygonum sp.?

Polygonum sp.?

by Daniel RowsonTrafford, England, United Kingdom

Leafy plant with white dense flower spike.

0 6 lady's thumb

lady's thumb

by AnnaWhipkeyIndiana, USA

syn. Persicaria maculosa

0 0 Scarlet Smartweed

Scarlet Smartweed

by Joseph R. GodreauMichigan, USA

Pink-purple wildflower that grows in the water (marsh and river).

0 2 Smartweed

Smartweed

by asergioCuritiba, Paraná, Brazil

1 0 Wiesen-Knöterich

Wiesen-Knöterich

by Dag WixforthBad Wildungen, Hessen, Germany

0 2 Marsh Smartweed

Marsh Smartweed

by bee.jacbsSouth Dakota, USA

0 0 spotted ladysthumb

spotted ladysthumb

by adamedwards2261Columbus, Ohio, USA

0 0 American Bistort

American Bistort

by MarshallWeberGrover, Colorado, USA

0 0 Mild Water Pepper

Mild Water Pepper

by dcfieldviewConnecticut, USA

0 0 Smartweed

Smartweed

by chesterbperryEast Ridge, Tennessee, USA

Mixed woods

0 2 Jumpseed

Jumpseed

by SCA Americorps InternPoughkeepsie, New York, USA

1 0 Western Bistort

Western Bistort

by YukoChartrawWashington, USA

1 0 Pennsylvania Smartweed

Pennsylvania Smartweed

by empidonaxNew Jersey, USA

0 1 Mile a Minute Vine (invasive)

Mile a Minute Vine (invasive)

by Kristi PersingMaryland, USA

0 1 Smartweed

Smartweed

by TravisAnthonySpringfield, Missouri, USA

Deciduous forest near a lake.

0 0 Japanese knotweed

Japanese knotweed

by MichellePinsdorfNew York, USA

0 0 He Shou Wu

He Shou Wu

by wesleydewinterSan Diego, California, USA

0 0 Knotweed

Knotweed

by LakesideScottMissouri, USA

Heckman Rock Garden

0 0 Pink Knotweed

Pink Knotweed

by NewYorkerNYC, New York, USA

0 0 Pennsylvania Smartweed

Pennsylvania Smartweed

by KelseyGrantGreenville, South Carolina, USA

1 6 Smartweed

Smartweed

by LaineyTerre Haute, Indiana, USA

1 2 Chinese knotweed 火炭母

Chinese knotweed 火炭母

by Yeung PK香港 Hong Kong, Hong Kong SAR

0 0 Alpine bistort

Alpine bistort

by PochempieOberstdorf, Bayern, Germany

Alps

1 0 Smartweed

Smartweed

by RachelMcCormickDayOhio, USA

1 0 Lady's Thumb

Lady's Thumb

by VaplisVaplietisVilniaus apskritis, Lithuania

0 0 Swamp smartweed

Swamp smartweed

by April HathcoatOklahoma, USA

0 0 Swamp smartweed

Swamp smartweed

by April HathcoatOklahoma, USA

0 0 Spotting

Spotting

by VivBraznellจังหวัดนครศรีธรรมราช, Thailand

Polygonum sp?

0 0 Japanese bamboo

Japanese bamboo

by JonLandon KnopfTennessee, USA

tall, green

0 0 Common Knotweed

Common Knotweed

by MargaritaOrlovaבנימינה - גבעת עדה, מחוז חיפה, Israel

Flood-meadows

1 0 Water Smartweed

Water Smartweed

by AYAKA SMARTPlymouth, Minnesota, USA

pond

0 0 Bohemian Knotweed

Bohemian Knotweed

by GinaJeannotEverett, Washington, USA

0 0 European Knotweed

European Knotweed

by DespinaTsafetopoulouΉπειρος - Δυτική Μακεδονία, Greece

Polygonum arenarium, European knotweed ...

2 0 Asian Fleece Flower

Asian Fleece Flower

by DavidMroczkowskiIllinois, USA

0 0 Bog Smartweed

Bog Smartweed

by Mung SiamBaltimore, Maryland, United States

0 0 Spotted Ladysthumb

Spotted Ladysthumb

by LathanAspers, Pennsylvania, United States

0 2 Spotting

Spotting

by AshleyBradfordAlexandria, Virginia, USA

One of the many different kinds of

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