be, arr. leuven, quercus robur, urtica dioica, populus canadensis, ranunculus repens, alnus glutinosa, filipendula ulmaria, fraxinus excelsior, glechoma hederacea, galium aparine, poa trivialis, angelica sylvestris, holcus lanatus, heracleum sphondylium, sambucus nigra, galeopsis tetrahit, juncus effusus, arrhenatherum elatius, phalaris arundinacea, cirsium arvense, corylus avellana, alopecurus pratensis, prunus serotina, agrostis capillaris, sorbus aucuparia, crataegus monogyna, lonicera periclymenum, geum urbanum, symphytum officinale, humulus lupulus, acer pseudoplatanus, cirsium palustre, lysimachia vulgaris, dactylis glomerata, rumex acetosa, ficaria verna, quercus rubra, cardamine pratensis, holcus mollis, ribes rubrum, ranunculus acris, betula pendula, phragmites australis, iris pseudacorus, calystegia sepium, athyrium filix-femina, deschampsia cespitosa, rumex obtusifolius, prunus padus, anemone nemorosa, viburnum opulus