be, arr. tongeren, pinus sylvestris, quercus rubra, vaccinium myrtillus, prunus serotina, quercus robur, fagus sylvatica, betula pendula, avenella flexuosa, sorbus aucuparia, deschampsia flexuosa, frangula alnus, dryopteris carthusiana, molinia caerulea, carex pilulifera, calluna vulgaris, dryopteris dilatata, castanea sativa, lonicera periclymenum, pteridium aquilinum, pseudotsuga menziesii, ilex aquifolium, quercus petraea, betula pubescens, teucrium scorodonia, pinus nigra, agrostis capillaris, picea abies, galium saxatile, larix kaempferi, amelanchier lamarckii, holcus mollis, convallaria majalis, juncus effusus, rumex angiocarpus, luzula pilosa, acer pseudoplatanus, ceratocapnos claviculata, melampyrum pratense, rumex acetosella, rubus plicatus, maianthemum bifolium, corylus avellana, rubus idaeus, vaccinium vitis-idaea, hedera helix, erica tetralix, oxalis acetosella, larix decidua, pinus strobus, cytisus scoparius