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