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