be, arr. dendermonde, bidens frondosa, angelica archangelica, echinochloa crus-galli, urtica dioica, lythrum salicaria, symphytum officinale, phalaris arundinacea, matricaria discoidea, lepidium didymum, galinsoga quadriradiata, cirsium arvense, lycopus europaeus, epilobium hirsutum, calystegia sepium, melilotus albus, veronica persica, impatiens glandulifera, brassica rapa, persicaria hydropiper, phragmites australis, solanum dulcamara, erigeron canadensis, ludwigia grandiflora, salix alba, heracleum sphondylium, stachys palustris, cyperus eragrostis, setaria helvola, salix viminalis, tanacetum vulgare, geranium pyrenaicum, ranunculus repens, lolium multiflorum, glechoma hederacea, rumex obtusifolius, rorippa amphibia, solidago gigantea, iris pseudacorus, reynoutria japonica, elodea nuttallii, erigeron sumatrensis, humulus lupulus, poa trivialis, glyceria maxima, azolla filiculoides, artemisia vulgaris, lepidium virginicum, galium aparine, ranunculus sceleratus, amaranthus blitum