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