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