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