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