be, arr. leuven, populus canadensis, filipendula ulmaria, angelica sylvestris, quercus robur, urtica dioica, heracleum sphondylium, symphytum officinale, glechoma hederacea, alnus glutinosa, galeopsis tetrahit, galium aparine, ranunculus repens, cirsium arvense, phalaris arundinacea, calystegia sepium, fraxinus excelsior, alopecurus pratensis, poa trivialis, sambucus nigra, arrhenatherum elatius, ribes rubrum, iris pseudacorus, crataegus monogyna, phragmites australis, cirsium palustre, holcus lanatus, cardamine pratensis, juncus effusus, ficaria verna, lythrum salicaria, humulus lupulus, carex acuta, lysimachia vulgaris, solanum dulcamara, lycopus europaeus, corylus avellana, geum urbanum, viburnum opulus, rumex acetosa, ranunculus acris, carex acutiformis, valeriana excelsa, acer pseudoplatanus, prunus serotina, silene dioica, equisetum palustre, rumex obtusifolius, lonicera periclymenum, alnus incana, galium palustre