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