be, arr. leuven, quercus robur, holcus lanatus, urtica dioica, prunus serotina, ranunculus repens, agrostis capillaris, quercus rubra, sorbus aucuparia, alnus glutinosa, populus canadensis, lonicera periclymenum, poa trivialis, sambucus nigra, betula pendula, juncus effusus, fraxinus excelsior, holcus mollis, corylus avellana, glechoma hederacea, galeopsis tetrahit, frangula alnus, galium aparine, angelica sylvestris, arrhenatherum elatius, acer pseudoplatanus, heracleum sphondylium, filipendula ulmaria, rumex acetosa, dactylis glomerata, cirsium arvense, lysimachia vulgaris, crataegus monogyna, polygonatum multiflorum, ranunculus acris, anthoxanthum odoratum, phalaris arundinacea, cirsium palustre, dryopteris carthusiana, molinia caerulea, alopecurus pratensis, stellaria graminea, pinus sylvestris, prunus avium, athyrium filix-femina, anemone nemorosa, geum urbanum, castanea sativa, cardamine pratensis, betula pubescens, festuca rubra