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