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