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, molinia caerulea, avenella flexuosa, dryopteris carthusiana, frangula alnus, deschampsia flexuosa, lonicera periclymenum, pseudotsuga menziesii, pteridium aquilinum, ilex aquifolium, calluna vulgaris, acer pseudoplatanus, teucrium scorodonia, larix kaempferi, picea abies, quercus petraea, betula pubescens, luzula pilosa, juncus effusus, convallaria majalis, corylus avellana, larix decidua, amelanchier lamarckii, athyrium filix-femina, agrostis capillaris, hedera helix, maianthemum bifolium, rhododendron ponticum, pinus strobus, robinia pseudoacacia, salix caprea, holcus mollis, sambucus nigra, cytisus scoparius, rubus idaeus, oxalis acetosella, carpinus betulus, prunus avium, pinus pinaster