be, arr. dendermonde, urtica dioica, bidens frondosa, ranunculus repens, poa trivialis, echinochloa crus-galli, lythrum salicaria, heracleum sphondylium, cirsium arvense, symphytum officinale, phalaris arundinacea, glechoma hederacea, galium aparine, iris pseudacorus, agrostis stolonifera, calystegia sepium, persicaria hydropiper, phragmites australis, cardamine pratensis, solanum dulcamara, lemna minor, tanacetum vulgare, elodea nuttallii, glyceria maxima, matricaria discoidea, lycopus europaeus, rumex obtusifolius, lysimachia vulgaris, humulus lupulus, alisma plantago-aquatica, sparganium erectum, juncus effusus, trifolium incarnatum, holcus lanatus, elymus repens, lolium perenne, sagittaria sagittifolia, glyceria fluitans, filipendula ulmaria, plantago major, galinsoga quadriradiata, persicaria amphibia, phacelia tanacetifolia, stachys palustris, claytonia perfoliata, alopecurus pratensis, epilobium hirsutum, sambucus nigra, stellaria media, alnus glutinosa, dactylis glomerata