be, arr. leuven, quercus robur, quercus rubra, sorbus aucuparia, lonicera periclymenum, prunus serotina, juncus effusus, frangula alnus, betula pendula, molinia caerulea, agrostis capillaris, holcus lanatus, castanea sativa, juncus acutiflorus, alnus glutinosa, betula pubescens, ranunculus repens, holcus mollis, corylus avellana, pinus sylvestris, dryopteris carthusiana, cirsium palustre, lysimachia vulgaris, dryopteris dilatata, juncus conglomeratus, teucrium scorodonia, athyrium filix-femina, populus canadensis, angelica sylvestris, galeopsis tetrahit, urtica dioica, deschampsia flexuosa, rumex acetosa, vaccinium myrtillus, avenella flexuosa, sambucus nigra, anthoxanthum odoratum, calluna vulgaris, carex pilulifera, fagus sylvatica, polygonatum multiflorum, agrostis canina, lotus pedunculatus, acer pseudoplatanus, hypericum dubium, cardamine pratensis, potentilla erecta, poa trivialis, fraxinus excelsior, filipendula ulmaria, galium palustre