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