be, arr. leuven, castanea sativa, quercus robur, quercus rubra, betula pendula, sorbus aucuparia, frangula alnus, prunus serotina, lonicera periclymenum, vaccinium myrtillus, molinia caerulea, pinus sylvestris, teucrium scorodonia, deschampsia flexuosa, avenella flexuosa, carex pilulifera, pteridium aquilinum, calluna vulgaris, fagus sylvatica, dryopteris dilatata, betula pubescens, dryopteris carthusiana, corylus avellana, holcus mollis, agrostis capillaris, ilex aquifolium, acer pseudoplatanus, hedera helix, populus tremula, quercus petraea, polygonatum multiflorum, amelanchier lamarckii, cytisus scoparius, convallaria majalis, luzula pilosa, robinia pseudoacacia, maianthemum bifolium, juncus effusus, salix caprea, sambucus nigra, athyrium filix-femina, pinus nigra, prunus avium, luzula multiflora, rumex angiocarpus, carpinus betulus, festuca filiformis, holcus lanatus, melampyrum pratense, hieracium umbellatum, rumex acetosella