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