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