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