be, arr. dendermonde, bidens frondosa, urtica dioica, angelica archangelica, symphytum officinale, phragmites australis, ranunculus repens, cirsium arvense, veronica persica, matricaria discoidea, echinochloa crus-galli, lepidium didymum, agrostis stolonifera, heracleum sphondylium, lythrum salicaria, ludwigia grandiflora, melilotus albus, calystegia sepium, poa trivialis, lolium multiflorum, geranium pyrenaicum, lolium perenne, cyperus eragrostis, lathyrus latifolius, epilobium hirsutum, lycopus europaeus, vicia villosa, brassica rapa, phalaris arundinacea, arrhenatherum elatius, persicaria amphibia, erigeron canadensis, azolla filiculoides, erigeron sumatrensis, crassula helmsii, malva sylvestris, solanum dulcamara, iris pseudacorus, stachys palustris, galinsoga quadriradiata, holcus lanatus, trifolium repens, hydrocotyle ranunculoides, arum italicum, plantago major, glechoma hederacea, glyceria maxima, rapistrum rugosum, ranunculus sceleratus, galium aparine, galega officinalis