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