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