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