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