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