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