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