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