be, arr. leuven, castanea sativa, quercus robur, betula pendula, quercus rubra, pinus sylvestris, prunus serotina, calluna vulgaris, frangula alnus, vaccinium myrtillus, molinia caerulea, sorbus aucuparia, deschampsia flexuosa, avenella flexuosa, carex pilulifera, teucrium scorodonia, lonicera periclymenum, agrostis capillaris, pteridium aquilinum, fagus sylvatica, dryopteris dilatata, betula pubescens, festuca filiformis, rumex angiocarpus, cytisus scoparius, dryopteris carthusiana, rumex acetosella, holcus mollis, erica tetralix, amelanchier lamarckii, ilex aquifolium, pinus nigra, agrostis vinealis, robinia pseudoacacia, hieracium umbellatum, danthonia decumbens, populus tremula, juncus effusus, potentilla erecta, quercus petraea, salix caprea, corylus avellana, holcus lanatus, luzula multiflora, pinus pinaster, rhododendron ponticum, pseudotsuga menziesii, juncus tenuis, acer pseudoplatanus, luzula campestris, hypericum perforatum