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