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