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