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Click on the Scientific Name to view available pictures.
Family Polygonaceae Polygonum amphibium var. emersum Michx. Longroot Smartweed Swamp Smartweed Water Smartweed Polygonum aviculare L. Common Knotweed Knotgrass Knotweed Prostrate Knotweed Polygonum bungeanum Turcz. Bunge's Smartweed Prickly Smartweed Polygonum convolvulus L. Black Bindweed False Buckwheat Wild Buckwheat Polygonum cuspidatum Sieb. & Zucc. Fleeceflower Japanese Knotweed Mexican Bamboo Polygonum erectum L. Erect Knotweed Wireweed Polygonum L. Knotweed Smartweed Polygonum pensylvanicum L. Pennsylvania Knotweed Pennsylvania Smartweed Pinkweed Polygonum persicaria L. Heart's-Ease Lady's Thumb Red Leg Redshank Spotted Ladysthumb Spotted Smartweed
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