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