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