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