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