be, arr. leuven, quercus robur, prunus serotina, quercus rubra, sorbus aucuparia, betula pendula, frangula alnus, pinus sylvestris, molinia caerulea, amelanchier lamarckii, lonicera periclymenum, agrostis capillaris, castanea sativa, calluna vulgaris, deschampsia flexuosa, avenella flexuosa, juncus effusus, holcus lanatus, dryopteris carthusiana, dryopteris dilatata, betula pubescens, vaccinium myrtillus, holcus mollis, carex pilulifera, silene coronaria, teucrium scorodonia, rumex angiocarpus, ranunculus repens, rumex acetosella, corylus avellana, alnus glutinosa, sambucus nigra, juncus tenuis, galeopsis tetrahit, cytisus scoparius, anthoxanthum odoratum, urtica dioica, acer pseudoplatanus, rumex acetosa, pteridium aquilinum, lysimachia vulgaris, hypericum perforatum, juncus conglomeratus, fagus sylvatica, robinia pseudoacacia, rhododendron ponticum, hieracium umbellatum, potentilla indica, erica tetralix, juncus acutiflorus, luzula campestris