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