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