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