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