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