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