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green smartweed (Persicaria lapathifolia, Polygonum lapathifolium L., Polygonum nodosum Pers.); knotted persicaria (Persicaria lapathifolia, Polygonum lapathifolium L., Polygonum nodosum Pers.); pale persicaria (Persicaria lapathifolia, Polygonum lapathifolium L., Polygonum nodosum Pers.); pale smartweed (Persicaria lapathifolia, Polygonum lapathifolium L., Polygonum nodosum Pers.) |