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