be, arr. mechelen, crassula helmsii, bidens frondosa, azolla filiculoides, ludwigia grandiflora, phragmites australis, elodea nuttallii, urtica dioica, lycopus europaeus, lepidium didymum, epilobium ciliatum, epilobium hirsutum, lythrum salicaria, ranunculus repens, matricaria discoidea, lolium multiflorum, brassica rapa, angelica archangelica, symphytum officinale, persicaria hydropiper, melilotus albus, phalaris arundinacea, cirsium arvense, galinsoga quadriradiata, poa trivialis, echinochloa crus-galli, agrostis stolonifera, solanum dulcamara, iris pseudacorus, eupatorium cannabinum, ranunculus sceleratus, calystegia sepium, impatiens glandulifera, stachys palustris, nymphaea marliacea, cardamine pratensis, lemna minuta, holcus lanatus, cotula coronopifolia, veronica persica, lathyrus latifolius, hydrocotyle ranunculoides, erigeron canadensis, cyperus eragrostis, glyceria maxima, erigeron sumatrensis, acorus calamus, juncus effusus, vicia villosa, lysimachia vulgaris, alisma plantago-aquatica