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