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