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