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