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