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