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