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