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