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