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