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