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