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