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