be, arr. leuven, filipendula ulmaria, urtica dioica, phalaris arundinacea, ranunculus repens, symphytum officinale, angelica sylvestris, iris pseudacorus, galium aparine, poa trivialis, lythrum salicaria, cirsium palustre, juncus effusus, phragmites australis, carex acuta, calystegia sepium, galeopsis tetrahit, lycopus europaeus, holcus lanatus, lysimachia vulgaris, populus canadensis, solanum dulcamara, galium palustre, alopecurus pratensis, cirsium arvense, glechoma hederacea, cardamine pratensis, alnus glutinosa, equisetum palustre, glyceria maxima, heracleum sphondylium, rumex acetosa, persicaria hydropiper, arrhenatherum elatius, persicaria amphibia, calamagrostis canescens, caltha palustris, quercus robur, humulus lupulus, rumex obtusifolius, myosotis scorpioides, silene flos-cuculi, carex acutiformis, agrostis stolonifera, ranunculus acris, epilobium hirsutum, carex disticha, lotus pedunculatus, equisetum fluviatile, glyceria fluitans, valeriana excelsa