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