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