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Polygonum cuspidatum Common Names Japanese knotweed Family Buckwheat Plant Type Forb Native No Weed Yes |
Polygonum argyrocoleon Common Names erect knotweed Family Buckwheat Flower Color Green Plant Type Forb Weed Yes |
Polygonum coccineum Common Names water smartweed Family Buckwheat Flower Color Pink Plant Type Forb Native Yes Weed Yes |