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