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