be, arr. leuven, populus canadensis, urtica dioica, symphytum officinale, filipendula ulmaria, galium aparine, glechoma hederacea, phragmites australis, phalaris arundinacea, angelica sylvestris, calystegia sepium, alnus glutinosa, poa trivialis, ranunculus repens, humulus lupulus, iris pseudacorus, solanum dulcamara, galeopsis tetrahit, lythrum salicaria, heracleum sphondylium, quercus robur, cirsium arvense, lycopus europaeus, sambucus nigra, fraxinus excelsior, lysimachia vulgaris, cirsium palustre, carex acuta, alopecurus pratensis, juncus effusus, holcus lanatus, cardamine pratensis, calamagrostis canescens, ribes rubrum, eupatorium cannabinum, galium palustre, rumex obtusifolius, arrhenatherum elatius, persicaria hydropiper, impatiens glandulifera, ficaria verna, epilobium hirsutum, carex acutiformis, crataegus monogyna, glyceria maxima, rubus caesius, silene dioica, equisetum palustre, salix cinerea, carex riparia, valeriana excelsa