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