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