Polygonum arenarium Waldst. & Kit.Common nameEuropean knotweedGenusPolygonumFamilyPolygonaceae10 5 observations
Polygonum arenastrum BoreauCommon nameOval-leaf knotweedGenusPolygonumFamilyPolygonaceae234 142 observations
Polygonum bellardii All.Common nameNarrowleaf knotweedGenusPolygonumFamilyPolygonaceae53 18 observations
Polygonum patulum M.Bieb.Common nameBellard's smartweedGenusPolygonumFamilyPolygonaceae4 1 observation
