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