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