be, arr. leuven, quercus robur, prunus serotina, betula pendula, galeopsis tetrahit, urtica dioica, holcus lanatus, populus canadensis, agrostis capillaris, lonicera periclymenum, sorbus aucuparia, frangula alnus, alnus glutinosa, glechoma hederacea, sambucus nigra, arrhenatherum elatius, ranunculus repens, crataegus monogyna, corylus avellana, quercus rubra, angelica sylvestris, galium aparine, holcus mollis, heracleum sphondylium, cirsium arvense, juncus effusus, filipendula ulmaria, poa trivialis, fraxinus excelsior, dryopteris carthusiana, molinia caerulea, rumex acetosa, betula pubescens, lysimachia vulgaris, cirsium palustre, acer pseudoplatanus, phalaris arundinacea, alopecurus pratensis, dactylis glomerata, anthoxanthum odoratum, hypericum perforatum, humulus lupulus, moehringia trinervia, ribes rubrum, geum urbanum, stellaria graminea, polygonatum multiflorum, calystegia sepium, phragmites australis, ranunculus acris, cardamine pratensis