be, arr. leuven, quercus rubra, quercus robur, prunus serotina, sorbus aucuparia, betula pendula, castanea sativa, pinus sylvestris, dryopteris dilatata, frangula alnus, lonicera periclymenum, dryopteris carthusiana, molinia caerulea, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, fagus sylvatica, betula pubescens, carex pilulifera, pinus nigra, teucrium scorodonia, calluna vulgaris, amelanchier lamarckii, acer pseudoplatanus, corylus avellana, agrostis capillaris, ilex aquifolium, pteridium aquilinum, sambucus nigra, holcus mollis, juncus effusus, pseudotsuga menziesii, robinia pseudoacacia, hedera helix, holcus lanatus, athyrium filix-femina, salix caprea, polygonatum multiflorum, urtica dioica, larix kaempferi, galeopsis tetrahit, convallaria majalis, cytisus scoparius, prunus avium, rhododendron ponticum, rubus gratus, rumex angiocarpus, alnus glutinosa, populus tremula, moehringia trinervia, rumex acetosella