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