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