be, arr. leuven, populus canadensis, quercus robur, ranunculus repens, holcus lanatus, heracleum sphondylium, angelica sylvestris, urtica dioica, arrhenatherum elatius, alopecurus pratensis, juncus effusus, prunus serotina, filipendula ulmaria, quercus rubra, poa trivialis, agrostis capillaris, rumex acetosa, cirsium arvense, ranunculus acris, glechoma hederacea, stellaria graminea, cardamine pratensis, cerastium fontanum, alnus glutinosa, cirsium palustre, galeopsis tetrahit, lolium perenne, galium aparine, corylus avellana, sambucus nigra, fraxinus excelsior, symphytum officinale, rumex obtusifolius, tanacetum vulgare, lonicera periclymenum, anthoxanthum odoratum, silene flos-cuculi, castanea sativa, holcus mollis, betula pendula, phalaris arundinacea, equisetum palustre, plantago lanceolata, lysimachia vulgaris, festuca rubra, centaurea jacea, trifolium repens, sorbus aucuparia, juncus conglomeratus, dactylis glomerata, agrostis stolonifera