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