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