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