be, arr. dendermonde, bidens frondosa, urtica dioica, phalaris arundinacea, lythrum salicaria, persicaria hydropiper, lycopus europaeus, calystegia sepium, poa trivialis, ranunculus repens, cirsium arvense, rorippa amphibia, phragmites australis, rumex obtusifolius, agrostis stolonifera, solanum dulcamara, echinochloa crus-galli, atriplex prostrata, angelica archangelica, symphytum officinale, impatiens glandulifera, persicaria amphibia, epilobium hirsutum, glyceria maxima, persicaria maculosa, lipandra polysperma, rorippa palustris, stachys palustris, tanacetum vulgare, plantago major, persicaria lapathifolia, lolium perenne, artemisia vulgaris, erigeron canadensis, rumex crispus, salix alba, galium aparine, myosotis scorpioides, glechoma hederacea, iris pseudacorus, poa annua, rorippa sylvestris, ludwigia grandiflora, salix triandra, salix viminalis, ranunculus sceleratus, elymus repens, xanthium orientale, heracleum sphondylium, arrhenatherum elatius, galium palustre