be, arr. mechelen, bidens frondosa, crassula helmsii, lepidium didymum, lycopus europaeus, galinsoga quadriradiata, azolla filiculoides, elodea nuttallii, phragmites australis, lythrum salicaria, epilobium ciliatum, urtica dioica, ludwigia grandiflora, erigeron sumatrensis, melilotus albus, symphytum officinale, echinochloa crus-galli, erigeron canadensis, potentilla indica, epilobium hirsutum, eupatorium cannabinum, solanum dulcamara, matricaria discoidea, iris pseudacorus, brassica rapa, oxalis corniculata, silene coronaria, lathyrus latifolius, angelica archangelica, lysimachia vulgaris, pilosella aurantiaca, cyperus eragrostis, persicaria hydropiper, lepidium virginicum, nymphaea marliacea, acorus calamus, stachys palustris, veronica persica, phalaris arundinacea, calystegia sepium, impatiens glandulifera, geranium pyrenaicum, ranunculus repens, vicia villosa, lemna minuta, claytonia perfoliata, juncus tenuis, glyceria maxima, amelanchier lamarckii, cirsium arvense, alnus glutinosa