be, arr. leuven, quercus rubra, quercus robur, prunus serotina, sorbus aucuparia, pinus sylvestris, castanea sativa, betula pendula, frangula alnus, molinia caerulea, dryopteris dilatata, lonicera periclymenum, avenella flexuosa, deschampsia flexuosa, vaccinium myrtillus, dryopteris carthusiana, amelanchier lamarckii, betula pubescens, calluna vulgaris, fagus sylvatica, pinus nigra, carex pilulifera, rhododendron ponticum, pteridium aquilinum, juncus effusus, ilex aquifolium, pseudotsuga menziesii, larix kaempferi, agrostis capillaris, acer pseudoplatanus, teucrium scorodonia, corylus avellana, robinia pseudoacacia, holcus mollis, erica tetralix, holcus lanatus, picea abies, sambucus nigra, athyrium filix-femina, juncus tenuis, alnus glutinosa, ceratocapnos claviculata, hedera helix, populus tremula, salix caprea, maianthemum bifolium, pinus strobus, larix decidua, cytisus scoparius, pinus pinaster, geum macrophyllum