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