Black bindweed

B Bistorta bistortoides Bistorta bistortoides S Skeletonweed Eriogonum deflexum C Copse bindweed Fallopia dumetorum C Climbing false buckwheat Fallopia scandens A Alpine knotweed Koenigia alpina B Bellflower knotweed Koenigia campanulata F Fennic knotweed Koenigia fennica S Soft knotweed Koenigia mollis H Himalayan knotweed Koenigia polystachya K Koenigia rumicifolia Koenigia rumicifolia W Weyrich's knotweed Koenigia weyrichii F Fringed bindweed Parogonum ciliinode S Smartweed Persicaria acuminata W Water smartweed Persicaria amphibia B Bearded knotweed Persicaria barbata B Bunge's knotweed Persicaria bungeana P Pink knotweed Persicaria capitata C Carey's smartweed Persicaria careyi C Chinese knotweed Persicaria chinensis S Slender knotweed Persicaria decipiens S Smooth knotweed Persicaria glabra W Water pepper Persicaria hydropiper W Waterpepper Persicaria hydropiperoides J Japanese knotweed Persicaria japonica P Pale persicaria Persicaria lapathifolia B Bristled knotweed Persicaria longiseta S Small smartweed Persicaria minor N Nepal knotweed Persicaria nepalensis P Prince's-feather Persicaria orientalis P Pennsylvania smartweed Persicaria pensylvanica M Mile-a-minute weed Persicaria perfoliata P Persicaria posumbu Persicaria posumbu P Prostrate knotweed Persicaria prostrata D Dotted smartweed Persicaria punctata B Bristly knotweed Persicaria setacea W Woolly knotweed Persicaria tomentosa V Virginia knotweed Persicaria virginiana S Sticky knotweed Persicaria viscosa K Knotweed Polygonum L Leathery knotweed Polygonum achoreum S Sand knotweed Polygonum arenarium P Prostrate knotweed Polygonum arenastrum S Silver-sheath knotweed Polygonum argyrocoleon B Bellard's knotweed Polygonum bellardii B Brazilian knotweed Polygonum brasiliense D Douglas's knotweed Polygonum douglasii E Erect knotweed Polygonum erectum S Seaside knotweed Polygonum glaucum S Small knotweed Polygonum plebeium B Bushy knotweed Polygonum ramosissimum B Broom knotweed Polygonum scoparium R Reyllopia conollyana Reyllopia conollyana B Bohemian knotweed Reynoutria bohemica J Japanese knotweed Reynoutria compacta J Japanese knotweed Reynoutria japonica C Chinese knotweed Reynoutria multiflora G Giant knotweed Reynoutria sachalinensis