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