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