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