be, arr. dendermonde, bidens frondosa, angelica archangelica, urtica dioica, ranunculus repens, symphytum officinale, phragmites australis, poa trivialis, lythrum salicaria, phalaris arundinacea, lolium multiflorum, cirsium arvense, brassica rapa, calystegia sepium, heracleum sphondylium, lycopus europaeus, persicaria amphibia, epilobium hirsutum, agrostis stolonifera, lepidium didymum, melilotus albus, arrhenatherum elatius, lolium perenne, geranium pyrenaicum, holcus lanatus, echinochloa crus-galli, cardamine pratensis, glyceria maxima, veronica persica, alopecurus pratensis, iris pseudacorus, persicaria hydropiper, filipendula ulmaria, lathyrus latifolius, glechoma hederacea, galinsoga quadriradiata, rumex obtusifolius, galium aparine, erigeron sumatrensis, equisetum palustre, vicia villosa, matricaria discoidea, solanum dulcamara, cyperus eragrostis, carex acuta, impatiens glandulifera, stachys palustris, erigeron canadensis, ludwigia grandiflora, trifolium repens, crassula helmsii