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